27

Previous number

26

Next number

28

Sum of digits

9

Divisors of 27

Number of divisors

4

Sum of divisors

40

Factorization

27 = 3 × 3 × 3

Prime factors of 27

Factor Count
3 3

Square of 27

729

Cube of 27

19683

Square root of 27

5.19615242270663202361902222037315...

Cube root of 27

3

27th triangle number

378

Reciprocal of 27

0.0370370370370370

Binary of 27

11011

Number of digits of 27 in base 2

5

Octal of 27

33

Hexadecimal of 27

1b

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

Quadratic residues of 27

QR27 (sequence)

27th composite number

40

Euler's totient function of 27

18

Carmichael function of 27

18

Möbius function of 27

0

Properties of 27

Properties of the number 27: 27 has 4 divisors. The divisors of 27 are 1, 3, 9, 27 and the sum of them is 40. The factorization of 27 is 3 × 3 × 3. The square and cube of 27 are 729 and 19683 respectively. The square root and cube root of 27 are 5.19615242270663202361902222037315... and 3. The binary, octal, hexadecimal of 27 are 11011, 33, 1b. 27 is not a prime number, not hexagonal number, not perfect number, not deficient number, not Mersenne number, not Mersenne number, Harshad number, not harmonic divisor number.

sin 27

0.95637592840450302844601537799463...

cos 27

-0.29213880873383618608229994606518...

tan 27

-3.27370380042811914833578157413285...

sin 27°

0.45399049973954674896958749741316...

cos 27°

0.89100652418836789880884907688596...

tan 27°

0.50952544949442879484990953642409...

log 27

3.29583686600432912428004783578217...

log10 27

1.43136376415898736169651783711743...

log2 27

4.75488750216346822696777962846681...

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