158 (number)

158 is an even 3-digits composite number following 157 and preceding 159. In scientific notation, it is written as 1.58 × 10^2. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 78 positive integers (up to 158) that are relatively prime to 158.

Interesting facts

Basic properties

Name

Name one hundred fifty-eight

Notation

Scientific notation 1.58 × 10^2
Engineering notation 1.58 × 10^0

Prime Factorization of 158

Prime Factorization 2 × 79

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 158
Product of the distinct prime numbers

The prime factorization of 158 is 2 × 79. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 65, 96, 622, 660, 7631, 3187, 7554, 3942, 207817, 198820, 1497965, 2065522, 97316176, 64587867, 748989569, 33788668, 3305011052, 1887644081

Basic calculations (n = 158)

Multiplication

n×y
n×2 316
n×3 474
n×4 632
n×5 790

Division

n÷y
n÷2 79
n÷3 52.666666666667
n÷3 39.5
n÷5 31.6

Exponentiation

ny
n2 24964
n3 3944312
n4 623201296
n5 98465804768

Nth Root

y√n
2√n 12.569805089977
3√n 5.4061201757502
4√n 3.5453920925585
5√n 2.7525259203889

Divisors of 158

1, 2, 79, 158

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 158 can be divided by 4 positive divisors. The sum of these divisors (counting 158) is 1, the average is 0.25.

Base conversion 158

Base System Value
2 Binary 10011110
3 Ternary 12212
4 Quaternary 2132
5 Quinary 1113
6 Senary 422
8 Octal 236
10 Decimal 158
12 Duodecimal 112
16 Hexadecimal 9e
20 Vigesimal 7i
36 Base36 4e

Cryptographic Hash Functions

md5 06409663226af2f3114485aa4e0a23b4
sha1 a3d12597f93e80f7f6a229cebb1c3e10d4f34ec3
sha256 7ed8f0f3b707956d9fb1e889e11153e0aa0a854983081d262fbe5eede32da7ca
sha512 0abcd0d5563dda2ab3a1d307bfa31b7f6dc1ba0709c076424ab6b1b4fc93c3c497794c5d1d404e1186b5c6dc820e7d16fb1cd65f0024b803c6dbda9613b7e895
ripemd-160 c8a1989dad0c016c951a109aadbb68384c292cfe

158 as geometric shapes

Circle

Radius = n
Diameter 316
Circumference 992.74327853437
Area 78426.719004216

Sphere

Radius = n
Volume 16521895.470221
Surface area 313706.87601686
Circumference 992.74327853437

Square

Length = n
Perimeter 632
Area 24964
Diagonal 223.44574285495

Cube

Length = n
Surface area 149784
Volume 3944312
Space diagonal 273.66402759588

Equilateral Triangle

Length = n
Perimeter 474
Area 10809.729090037
Altitude 136.83201379794

Triangular Pyramid

Length = n
Surface area 10809.729090037
Volume 464841.62705258
Height 74.481914284983