20158731 (number)

20158731 is an odd 8-digits composite number following 20158730 and preceding 20158732. In scientific notation, it is written as 2.0158731 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13011840 positive integers (up to 20158731) that are relatively prime to 20158731.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-eight thousand seven hundred thirty-one

Notation

Scientific notation 2.0158731 × 10^7
Engineering notation 2.0158731 × 10^6

Prime Factorization of 20158731

Prime Factorization 549 × 73 × 503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20158731
Product of the distinct prime numbers

The prime factorization of 20158731 is 549 × 73 × 503. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20158731)

Multiplication

n×y
n×2 40317462
n×3 60476193
n×4 80634924
n×5 100793655

Division

n÷y
n÷2 10079365.5
n÷3 6719577
n÷3 5039682.75
n÷5 4031746.2

Exponentiation

ny
n2 406374435530361
n3 8.1919929311334E+21
n4 1.6514018185262E+29
n5 3.329016503258E+36

Nth Root

y√n
2√n 4489.8475475232
3√n 272.157973941
4√n 67.006324682997
5√n 28.899653648093

Divisors of 20158731

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20158730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20158731 can be divided by 8 positive divisors. The sum of these divisors (counting 20158731) is 1, the average is 0.125.

Base conversion 20158731

Base System Value
2 Binary 1001100111001100100001011
3 Ternary 1101221011120200
4 Quaternary 1030321210023
5 Quinary 20130034411
6 Senary 2000023243
8 Octal 114714413
10 Decimal 20158731
12 Duodecimal 6901b23
16 Hexadecimal 133990b
20 Vigesimal 65jggb
36 Base36 c02kr

Cryptographic Hash Functions

md5 6bfae975397061dd8260ad0ed5057086
sha1 a39a3c0a1558fb5d8912ea2a6b49fcd4e6f92352
sha256 38c6e1ccbff54fcc3ff78200b1c3a78f8f11c7cf1d5a48d22d2ecc2a2631c08b
sha512 315ab45d30f30868e9941446c43580462c0301c7deb8bcf0c86fd742d50aef9c3385046cf1e7816573498770006e4967c4296f6df4db587077fe1d43ba98d0f3
ripemd-160 2dd61e098000c55ca0ea3e99c34e70f63eeb8ecc

20158731 as geometric shapes

Circle

Radius = n
Diameter 40317462
Circumference 126661042.43059
Area 1.2766629412689E+15

Sphere

Radius = n
Volume 3.4314539747611E+22
Surface area 5.1066517650755E+15
Circumference 126661042.43059

Square

Length = n
Perimeter 80634924
Area 406374435530361
Diagonal 28508750.780431

Cube

Length = n
Surface area 2438246613182166
Volume 8.1919929311334E+21
Space diagonal 34915946.308114

Equilateral Triangle

Length = n
Perimeter 60476193
Area 1.7596529230893E+14
Altitude 17457973.154057

Triangular Pyramid

Length = n
Surface area 1.7596529230893E+14
Volume 9.6543562550611E+20
Height 9502916.9268103