20156731 (number)

20156731 is an odd 8-digits composite number following 20156730 and preceding 20156732. In scientific notation, it is written as 2.0156731 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 17277192 positive integers (up to 20156731) that are relatively prime to 20156731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0156731 × 10^7
Engineering notation 2.0156731 × 10^6

Prime Factorization of 20156731

Prime Factorization 7 × 2879533

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20156731
Product of the distinct prime numbers

The prime factorization of 20156731 is 7 × 2879533. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20156731)

Multiplication

n×y
n×2 40313462
n×3 60470193
n×4 80626924
n×5 100783655

Division

n÷y
n÷2 10078365.5
n÷3 6718910.3333333
n÷3 5039182.75
n÷5 4031346.2

Exponentiation

ny
n2 406293804606361
n3 8.189554926417E+21
n4 1.6507465566151E+29
n5 3.3273654290867E+36

Nth Root

y√n
2√n 4489.6248172871
3√n 272.14897314378
4√n 67.004662653334
5√n 28.899080183412

Divisors of 20156731

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 -20156730
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 20156731 can be divided by 4 positive divisors. The sum of these divisors (counting 20156731) is 1, the average is 0.25.

Base conversion 20156731

Base System Value
2 Binary 1001100111001000100111011
3 Ternary 1101221001211121
4 Quaternary 1030321010323
5 Quinary 20130003411
6 Senary 2000010111
8 Octal 114710473
10 Decimal 20156731
12 Duodecimal 6900937
16 Hexadecimal 133913b
20 Vigesimal 65jbgb
36 Base36 c0117

Cryptographic Hash Functions

md5 097e8fbef3bbca260be4fc72b0732a95
sha1 34b76db176b5abdd62bac94d9c7ebe39cc2ecec5
sha256 0e6ad9e78100602c47d21ceeb49e4b865abf69db77422359d0bf5fd90c7e78e7
sha512 0d355e7d3a299d4cbfd4e95dae25a19670c268b09db927a067cd9b406c50c66f907f84b091dd80adad7c094fdf8322a6ccb14015acb4a024c2712c19b4305d23
ripemd-160 bbb6015ed046a38970520dc3ba4384f3f1cab253

20156731 as geometric shapes

Circle

Radius = n
Diameter 40313462
Circumference 126648476.05997
Area 1.2764096317504E+15

Sphere

Radius = n
Volume 3.4304327457336E+22
Surface area 5.1056385270016E+15
Circumference 126648476.05997

Square

Length = n
Perimeter 80626924
Area 406293804606361
Diagonal 28505922.353306

Cube

Length = n
Surface area 2437762827638166
Volume 8.189554926417E+21
Space diagonal 34912482.206499

Equilateral Triangle

Length = n
Perimeter 60470193
Area 1.7593037809467E+14
Altitude 17456241.103249

Triangular Pyramid

Length = n
Surface area 1.7593037809467E+14
Volume 9.6514830389486E+20
Height 9501974.1177687