51

Previous number

50

Next number

52

Sum of digits

6

Divisors of 51

Number of divisors

4

Sum of divisors

72

Factorization

51 = 3 × 17

Prime factors of 51

Factor Count
3 1
17 1

Square of 51

2601

Cube of 51

132651

Square root of 51

7.14142842854285042619721934897825...

Cube root of 51

3.70842976926618916877487208694220...

51th triangle number

1326

Reciprocal of 51

0.0196078431372549

Binary of 51

110011

Number of digits of 51 in base 2

6

Octal of 51

63

Hexadecimal of 51

33

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 51

QR51 (sequence)

51th composite number

72

Euler's totient function of 51

32

Carmichael function of 51

16

Möbius function of 51

1

Properties of 51

Properties of the number 51: 51 has 4 divisors. The divisors of 51 are 1, 3, 17, 51 and the sum of them is 72. The factorization of 51 is 3 × 17. The square and cube of 51 are 2601 and 132651 respectively. The square root and cube root of 51 are 7.14142842854285042619721934897825... and 3.70842976926618916877487208694220.... The binary, octal, hexadecimal of 51 are 110011, 63, 33. 51 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 51

0.67022917584337471375022232678020...

cos 51

0.74215419681378258509596435033018...

tan 51

0.90308614937543107981099410608294...

sin 51°

0.77714596145697090179282895405777...

cos 51°

0.62932039104983750199551195692038...

tan 51°

1.23489715653505149894897385820514...

log 51

3.93182563272432572532011363364290...

log10 51

1.70757017609793626533587485027965...

log2 51

5.67242534197149517183333955472335...

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