## 7982

7,982 (seven thousand nine hundred eighty-two) is an even four-digits composite number following 7981 and preceding 7983. In scientific notation, it is written as 7.982 × 103. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 3,672 positive integers (up to 7982) that are relatively prime to 7982.

## Basic properties

• Is Prime? No
• Number parity Even
• Number length 4
• Sum of Digits 26
• Digital Root 8

## Name

Short name 7 thousand 982 seven thousand nine hundred eighty-two

## Notation

Scientific notation 7.982 × 103 7.982 × 103

## Prime Factorization of 7982

Prime Factorization 2 × 13 × 307

Composite number
Distinct Factors Total Factors Radical ω(n) 3 Total number of distinct prime factors Ω(n) 3 Total number of prime factors rad(n) 7982 Product of the distinct prime numbers λ(n) -1 Returns the parity of Ω(n), such that λ(n) = (-1)Ω(n) μ(n) -1 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 7,982 is 2 × 13 × 307. Since it has a total of 3 prime factors, 7,982 is a composite number.

## Divisors of 7982

1, 2, 13, 26, 307, 614, 3991, 7982

8 divisors

 Even divisors 4 4 2 2
Total Divisors Sum of Divisors Aliquot Sum τ(n) 8 Total number of the positive divisors of n σ(n) 12936 Sum of all the positive divisors of n s(n) 4954 Sum of the proper positive divisors of n A(n) 1617 Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) G(n) 89.342 Returns the nth root of the product of n divisors H(n) 4.9363 Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7,982 can be divided by 8 positive divisors (out of which 4 are even, and 4 are odd). The sum of these divisors (counting 7,982) is 12,936, the average is 1,617.

## Other Arithmetic Functions (n = 7982)

1 φ(n) n
Euler Totient Carmichael Lambda Prime Pi φ(n) 3672 Total number of positive integers not greater than n that are coprime to n λ(n) 612 Smallest positive number such that aλ(n) ≡ 1 (mod n) for all a coprime to n π(n) ≈ 1010 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 3,672 positive integers (less than 7,982) that are coprime with 7,982. And there are approximately 1,010 prime numbers less than or equal to 7,982.

## Divisibility of 7982

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

The number 7,982 is divisible by 2.

• Arithmetic
• Deficient

• Polite

• Square Free

• Sphenic

## Base conversion (7982)

Base System Value
2 Binary 1111100101110
3 Ternary 101221122
4 Quaternary 1330232
5 Quinary 223412
6 Senary 100542
8 Octal 17456
10 Decimal 7982
12 Duodecimal 4752
20 Vigesimal jj2
36 Base36 65q

## Basic calculations (n = 7982)

### Multiplication

n×i
 n×2 15964 23946 31928 39910

### Division

ni
 n⁄2 3991 2660.67 1995.5 1596.4

### Exponentiation

ni
 n2 63712324 508551770168 4059260229480976 32401015151717150432

### Nth Root

i√n
 2√n 89.342 19.985 9.45209 6.03146

## 7982 as geometric shapes

### Circle

 Diameter 15964 50152.4 2.00158e+08

### Sphere

 Volume 2.13022e+12 8.00633e+08 50152.4

### Square

Length = n
 Perimeter 31928 6.37123e+07 11288.3

### Cube

Length = n
 Surface area 3.82274e+08 5.08552e+11 13825.2

### Equilateral Triangle

Length = n
 Perimeter 23946 2.75882e+07 6912.61

### Triangular Pyramid

Length = n
 Surface area 1.10353e+08 5.99334e+10 6517.28
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