16

Previous number

15

Next number

17

Sum of digits

7

Divisors of 16

Number of divisors

5

Sum of divisors

31

Factorization

16 = 2 × 2 × 2 × 2

Prime factors of 16

Factor Count
2 4

Square of 16

256

Cube of 16

4096

Square root of 16

4

Cube root of 16

2.51984209978974638133308872056659...

16th triangle number

136

Reciprocal of 16

0.0625000000000000

Binary of 16

10000

Number of digits of 16 in base 2

5

Octal of 16

20

Hexadecimal of 16

10

Prime number No
Hexagonal number No
Perfect number No
Deficient number No
Abundant number No
Mersenne number No
Harshad number No
Harmonic divisor number No

Quadratic residues of 16

QR16 (sequence)

16th composite number

26

Euler's totient function of 16

8

Carmichael function of 16

4

Möbius function of 16

0

Properties of 16

Properties of the number 16: 16 has 5 divisors. The divisors of 16 are 1, 2, 4, 8, 16 and the sum of them is 31. The factorization of 16 is 2 × 2 × 2 × 2. The square and cube of 16 are 256 and 4096 respectively. The square root and cube root of 16 are 4 and 2.51984209978974638133308872056659.... The binary, octal, hexadecimal of 16 are 10000, 20, 10. 16 is not a prime number, not hexagonal number, not perfect number, not deficient number, not Mersenne number, not Mersenne number, not Harshad number, not harmonic divisor number.

sin 16

-0.28790331666506530083893267146777...

cos 16

-0.95765948032338465978341446316335...

tan 16

0.30063224202390337325141445035115...

sin 16°

0.27563735581699916332709676680679...

cos 16°

0.96126169593831889415014302358031...

tan 16°

0.28674538575880792468097979508457...

log 16

2.77258872223978114490705593198072...

log10 16

1.20411998265592479206986809003865...

log2 16

4.00000000000000000000000000000000...

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