## 21318380

21,318,380 (twenty-one million three hundred eighteen thousand three hundred eighty) is an even eight-digits composite number following 21318379 and preceding 21318381. In scientific notation, it is written as 2.131838 × 107. The sum of its digits is 26. It has a total of 5 prime factors and 24 positive divisors. There are 8,078,400 positive integers (up to 21318380) that are relatively prime to 21318380.

## Basic properties

• Is Prime? No
• Number parity Even
• Number length 8
• Sum of Digits 26
• Digital Root 8

## Name

Short name 21 million 318 thousand 380 twenty-one million three hundred eighteen thousand three hundred eighty

## Notation

Scientific notation 2.131838 × 107 21.31838 × 106

## Prime Factorization of 21318380

Prime Factorization 22 × 5 × 19 × 56101

Composite number
Distinct Factors Total Factors Radical ω(n) 4 Total number of distinct prime factors Ω(n) 5 Total number of prime factors rad(n) 10659190 Product of the distinct prime numbers λ(n) -1 Returns the parity of Ω(n), such that λ(n) = (-1)Ω(n) μ(n) 0 Returns: 1, if n has an even number of prime factors (and is square free) −1, if n has an odd number of prime factors (and is square free) 0, if n has a squared prime factor Λ(n) 0 Returns log(p) if n is a power pk of any prime p (for any k >= 1), else returns 0

The prime factorization of 21,318,380 is 22 × 5 × 19 × 56101. Since it has a total of 5 prime factors, 21,318,380 is a composite number.

## Divisors of 21318380

24 divisors

 Even divisors 16 8 4 4
Total Divisors Sum of Divisors Aliquot Sum τ(n) 24 Total number of the positive divisors of n σ(n) 4.71257e+07 Sum of all the positive divisors of n s(n) 2.58073e+07 Sum of the proper positive divisors of n A(n) 1.96357e+06 Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) G(n) 4617.18 Returns the nth root of the product of n divisors H(n) 10.8569 Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21,318,380 can be divided by 24 positive divisors (out of which 16 are even, and 8 are odd). The sum of these divisors (counting 21,318,380) is 47,125,680, the average is 1,963,570.

## Other Arithmetic Functions (n = 21318380)

1 φ(n) n
Euler Totient Carmichael Lambda Prime Pi φ(n) 8078400 Total number of positive integers not greater than n that are coprime to n λ(n) 168300 Smallest positive number such that aλ(n) ≡ 1 (mod n) for all a coprime to n π(n) ≈ 1346687 Total number of primes less than or equal to n r2(n) 0 The number of ways n can be represented as the sum of 2 squares

There are 8,078,400 positive integers (less than 21,318,380) that are coprime with 21,318,380. And there are approximately 1,346,687 prime numbers less than or equal to 21,318,380.

## Divisibility of 21318380

 m n mod m 2 3 4 5 6 7 8 9 0 2 0 0 2 6 4 8

The number 21,318,380 is divisible by 2, 4 and 5.

• Arithmetic
• Abundant

• Polite

## Base conversion (21318380)

Base System Value
2 Binary 1010001010100101011101100
3 Ternary 1111010002022122
4 Quaternary 1101110223230
5 Quinary 20424142010
6 Senary 2040532112
8 Octal 121245354
10 Decimal 21318380
12 Duodecimal 7181038
20 Vigesimal 6d4fj0
36 Base36 coxd8

## Basic calculations (n = 21318380)

### Multiplication

n×i
 n×2 42636760 63955140 85273520 106591900

### Division

ni
 n⁄2 1.06592e+07 7.10613e+06 5.3296e+06 4.26368e+06

### Exponentiation

ni
 n2 454473325824400 9688635059788372472000 206546003885891243939635360000 4403226198320906176977843665916800000

### Nth Root

i√n
 2√n 4617.18 277.28 67.9499 29.2248

## 21318380 as geometric shapes

### Circle

 Diameter 4.26368e+07 1.33947e+08 1.42777e+15

### Sphere

 Volume 4.05837e+22 5.71108e+15 1.33947e+08

### Square

Length = n
 Perimeter 8.52735e+07 4.54473e+14 3.01487e+07

### Cube

Length = n
 Surface area 2.72684e+15 9.68864e+21 3.69245e+07

### Equilateral Triangle

Length = n
 Perimeter 6.39551e+07 1.96793e+14 1.84623e+07

### Triangular Pyramid

Length = n
 Surface area 7.87171e+14 1.14182e+21 1.74064e+07

## Cryptographic Hash Functions

md5 ee5d76025d0d86fbef5c98554da21269 35b758046ce7a37b3d682193747c4b881a34fe6a 38a9434c68425b6ae6c163dd8b57d6913c55035b3c8e600b195debe912d1fe1a 574c337d55c6d6a916f9f7bfbcf08447993f00f956396c0e5ccaf8b0d41d79b25abcfbb65079b015bbea689a50caefed966894b69983158a4e189ed18b29ce0d e4ba37c18709eb113357552d3db86a0fead9d7bd
{"ft_lang_label":"__label__en","ft_lang_prob":0.6443187,"math_prob":0.9818847,"size":4830,"snap":"2020-34-2020-40","text_gpt3_token_len":1722,"char_repetition_ratio":0.12059677,"word_repetition_ratio":0.039589442,"special_character_ratio":0.48012424,"punctuation_ratio":0.09168704,"nsfw_num_words":0,"has_unicode_error":false,"math_prob_llama3":0.9949732,"pos_list":[0],"im_url_duplicate_count":[null],"WARC_HEADER":"{\"WARC-Type\":\"response\",\"WARC-Date\":\"2020-09-20T11:58:02Z\",\"WARC-Record-ID\":\"<urn:uuid:4325fe1b-1ea9-4e9e-ab75-23d4f52c365a>\",\"Content-Length\":\"48411\",\"Content-Type\":\"application/http; msgtype=response\",\"WARC-Warcinfo-ID\":\"<urn:uuid:4817a6a1-3d74-45c8-9194-3598a8b4b478>\",\"WARC-Concurrent-To\":\"<urn:uuid:e93c61cc-b992-4215-b404-084afa3c8b67>\",\"WARC-IP-Address\":\"46.105.53.190\",\"WARC-Target-URI\":\"https://metanumbers.com/21318380\",\"WARC-Payload-Digest\":\"sha1:5W7FDG5DMH36ZI3XVFTRJJVSEK4ODJOB\",\"WARC-Block-Digest\":\"sha1:ENAUN7RWTSGPHJBSPEEQUXTTR3LGWI7Y\",\"WARC-Identified-Payload-Type\":\"text/html\",\"warc_filename\":\"/cc_download/warc_2020/CC-MAIN-2020-40/CC-MAIN-2020-40_segments_1600400197946.27_warc_CC-MAIN-20200920094130-20200920124130-00439.warc.gz\"}"}