198

Previous number

197

Next number

199

Sum of digits

18

Divisors of 198

Number of divisors

12

Sum of divisors

468

Factorization

198 = 2 × 3 × 3 × 11

Prime factors of 198

Factor Count
2 1
3 2
11 1

Square of 198

39204

Cube of 198

7762392

Square root of 198

14.07124727947028830499220930505544...

Cube root of 198

5.82847668325145562562283885199577...

198th triangle number

19701

Reciprocal of 198

0.0050505050505051

Binary of 198

11000110

Number of digits of 198 in base 2

8

Octal of 198

306

Hexadecimal of 198

c6

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 198

QR198 (sequence)

198th composite number

253

Euler's totient function of 198

60

Carmichael function of 198

30

Möbius function of 198

0

Properties of 198

Properties of the number 198: 198 has 12 divisors. The divisors of 198 are 1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198 and the sum of them is 468. The factorization of 198 is 2 × 3 × 3 × 11. The square and cube of 198 are 39204 and 7762392 respectively. The square root and cube root of 198 are 14.07124727947028830499220930505544... and 5.82847668325145562562283885199577.... The binary, octal, hexadecimal of 198 are 11000110, 306, c6. 198 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 198

-0.07957859166428352115651989606704...

cos 198

-0.99682859496943065913399095734349...

tan 198

0.07983177054298279395894155641145...

sin 198°

-0.30901699437494728472941574182187...

cos 198°

-0.95105651629515364220424089580774...

tan 198°

0.32491969623290617441568883805303...

log 198

5.28826703069453518679665648960508...

log10 198

2.29666519026153093108177927206270...

log2 198

7.62935662007960946340290320222266...

Related pairs