## 16780

16,780 (sixteen thousand seven hundred eighty) is an even five-digits composite number following 16779 and preceding 16781. In scientific notation, it is written as 1.678 × 104. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 6,704 positive integers (up to 16780) that are relatively prime to 16780.

## Basic properties

• Is Prime? No
• Number parity Even
• Number length 5
• Sum of Digits 22
• Digital Root 4

## Name

Short name 16 thousand 780 sixteen thousand seven hundred eighty

## Notation

Scientific notation 1.678 × 104 16.78 × 103

## Prime Factorization of 16780

Prime Factorization 22 × 5 × 839

Composite number
Distinct Factors Total Factors Radical ω(n) 3 Total number of distinct prime factors Ω(n) 4 Total number of prime factors rad(n) 8390 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 16,780 is 22 × 5 × 839. Since it has a total of 4 prime factors, 16,780 is a composite number.

## Divisors of 16780

1, 2, 4, 5, 10, 20, 839, 1678, 3356, 4195, 8390, 16780

12 divisors

 Even divisors 8 4 2 2
Total Divisors Sum of Divisors Aliquot Sum τ(n) 12 Total number of the positive divisors of n σ(n) 35280 Sum of all the positive divisors of n s(n) 18500 Sum of the proper positive divisors of n A(n) 2940 Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) G(n) 129.538 Returns the nth root of the product of n divisors H(n) 5.70748 Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 16,780 can be divided by 12 positive divisors (out of which 8 are even, and 4 are odd). The sum of these divisors (counting 16,780) is 35,280, the average is 2,940.

## Other Arithmetic Functions (n = 16780)

1 φ(n) n
Euler Totient Carmichael Lambda Prime Pi φ(n) 6704 Total number of positive integers not greater than n that are coprime to n λ(n) 1676 Smallest positive number such that aλ(n) ≡ 1 (mod n) for all a coprime to n π(n) ≈ 1940 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 6,704 positive integers (less than 16,780) that are coprime with 16,780. And there are approximately 1,940 prime numbers less than or equal to 16,780.

## Divisibility of 16780

 m n mod m 2 3 4 5 6 7 8 9 0 1 0 0 4 1 4 4

The number 16,780 is divisible by 2, 4 and 5.

• Arithmetic
• Abundant

• Polite

## Base conversion (16780)

Base System Value
2 Binary 100000110001100
3 Ternary 212000111
4 Quaternary 10012030
5 Quinary 1014110
6 Senary 205404
8 Octal 40614
10 Decimal 16780
12 Duodecimal 9864
20 Vigesimal 21j0
36 Base36 cy4

## Basic calculations (n = 16780)

### Multiplication

n×i
 n×2 33560 50340 67120 83900

### Division

ni
 n⁄2 8390 5593.33 4195 3356

### Exponentiation

ni
 n2 281568400 4724717752000 79280763878560000 1330331217882236800000

### Nth Root

i√n
 2√n 129.538 25.6014 11.3815 6.99775

## 16780 as geometric shapes

### Circle

 Diameter 33560 105432 8.84573e+08

### Sphere

 Volume 1.97909e+13 3.53829e+09 105432

### Square

Length = n
 Perimeter 67120 2.81568e+08 23730.5

### Cube

Length = n
 Surface area 1.68941e+09 4.72472e+12 29063.8

### Equilateral Triangle

Length = n
 Perimeter 50340 1.21923e+08 14531.9

### Triangular Pyramid

Length = n
 Surface area 4.87691e+08 5.56813e+11 13700.8
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