180

Previous number

179

Next number

181

Sum of digits

9

Divisors of 180

Number of divisors

18

Sum of divisors

546

Factorization

180 = 2 × 2 × 3 × 3 × 5

Prime factors of 180

Factor Count
2 2
3 2
5 1

Square of 180

32400

Cube of 180

5832000

Square root of 180

13.41640786499873883030886645428836...

Cube root of 180

5.64621617328617020348247024230659...

180th triangle number

16290

Reciprocal of 180

0.0055555555555556

Binary of 180

10110100

Number of digits of 180 in base 2

8

Octal of 180

264

Hexadecimal of 180

b4

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 180

QR180 (sequence)

180th composite number

231

Euler's totient function of 180

48

Carmichael function of 180

12

Möbius function of 180

0

Properties of 180

Properties of the number 180: 180 has 18 divisors. The divisors of 180 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180 and the sum of them is 546. The factorization of 180 is 2 × 2 × 3 × 3 × 5. The square and cube of 180 are 32400 and 5832000 respectively. The square root and cube root of 180 are 13.41640786499873883030886645428836... and 5.64621617328617020348247024230659.... The binary, octal, hexadecimal of 180 are 10110100, 264, b4. 180 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 180

-0.80115263573383044271025710258982...

cos 180

-0.59846006905785809060205338028027...

tan 180

1.33869021035115443041263461054768...

sin 180°

0

cos 180°

-1

tan 180°

0

log 180

5.19295685089021041846990556223318...

log10 180

2.25527250510330601329656019515824...

log2 180

7.49185309632967477710963066783734...

Related pairs