20157431 (number)

20157431 is an odd 8-digits composite number following 20157430 and preceding 20157432. In scientific notation, it is written as 2.0157431 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 17251128 positive integers (up to 20157431) that are relatively prime to 20157431.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157431 × 10^7
Engineering notation 2.0157431 × 10^6

Prime Factorization of 20157431

Prime Factorization 7 × 787 × 3659

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157431
Product of the distinct prime numbers

The prime factorization of 20157431 is 7 × 787 × 3659. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157431)

Multiplication

n×y
n×2 40314862
n×3 60472293
n×4 80629724
n×5 100787155

Division

n÷y
n÷2 10078715.5
n÷3 6719143.6666667
n÷3 5039357.75
n÷5 4031486.2

Exponentiation

ny
n2 406322024519761
n3 8.1904081730374E+21
n4 1.6509758760984E+29
n5 3.3279432305117E+36

Nth Root

y√n
2√n 4489.7027741266
3√n 272.15212349053
4√n 67.005244377784
5√n 28.899280901229

Divisors of 20157431

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 -20157430
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 20157431 can be divided by 8 positive divisors. The sum of these divisors (counting 20157431) is 1, the average is 0.125.

Base conversion 20157431

Base System Value
2 Binary 1001100111001001111110111
3 Ternary 1101221002210112
4 Quaternary 1030321033313
5 Quinary 20130014211
6 Senary 2000013235
8 Octal 114711767
10 Decimal 20157431
12 Duodecimal 690121b
16 Hexadecimal 13393f7
20 Vigesimal 65jdbb
36 Base36 c01kn

Cryptographic Hash Functions

md5 aaf8089604a9afff25c0d4624fe7adc2
sha1 e0ad29de8a1104dcef1823bd0665fc111f6f0864
sha256 eddf7425811574b9b6439bbeaa44e90f8273b1c0d61ff01603886ac47f4a442a
sha512 51eca9f320781bcacdb02acb9dbb3807f378b58e6552bf53acc3e46c464785b53c058a2187d048d1f9b4a3401bbdd32918587e6b1d164564a7cf790ecb101c9d
ripemd-160 0bac86ef93785e3b13c6e5f80a7042d7c0013c87

20157431 as geometric shapes

Circle

Radius = n
Diameter 40314862
Circumference 126652874.28969
Area 1.276498287223E+15

Sphere

Radius = n
Volume 3.4307901528421E+22
Surface area 5.1059931488921E+15
Circumference 126652874.28969

Square

Length = n
Perimeter 80629724
Area 406322024519761
Diagonal 28506912.3028

Cube

Length = n
Surface area 2437932147118566
Volume 8.1904081730374E+21
Space diagonal 34913694.642064

Equilateral Triangle

Length = n
Perimeter 60472293
Area 1.7594259767562E+14
Altitude 17456847.321032

Triangular Pyramid

Length = n
Surface area 1.7594259767562E+14
Volume 9.6524885997341E+20
Height 9502304.1009333