20131645 (number)

20131645 is an odd 8-digits composite number following 20131644 and preceding 20131646. In scientific notation, it is written as 2.0131645 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 16105312 positive integers (up to 20131645) that are relatively prime to 20131645.

Interesting facts

Basic properties

Name

Name twenty million one hundred thirty-one thousand six hundred forty-five

Notation

Scientific notation 2.0131645 × 10^7
Engineering notation 2.0131645 × 10^6

Prime Factorization of 20131645

Prime Factorization 5 × 4026329

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20131645
Product of the distinct prime numbers

The prime factorization of 20131645 is 5 × 4026329. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20131645)

Multiplication

n×y
n×2 40263290
n×3 60394935
n×4 80526580
n×5 100658225

Division

n÷y
n÷2 10065822.5
n÷3 6710548.3333333
n÷3 5032911.25
n÷5 4026329

Exponentiation

ny
n2 405283130406025
n3 8.1590161058228E+21
n4 1.6425441579171E+29
n5 3.306711588401E+36

Nth Root

y√n
2√n 4486.8301728503
3√n 272.03602554118
4√n 66.983805302851
5√n 28.891883346831

Divisors of 20131645

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 -20131644
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 20131645 can be divided by 4 positive divisors. The sum of these divisors (counting 20131645) is 1, the average is 0.25.

Base conversion 20131645

Base System Value
2 Binary 1001100110010111100111101
3 Ternary 1101212210102111
4 Quaternary 1030302330331
5 Quinary 20123203040
6 Senary 1555254021
8 Octal 114627475
10 Decimal 20131645
12 Duodecimal 68aa311
16 Hexadecimal 1332f3d
20 Vigesimal 65g925
36 Base36 bzhod

Cryptographic Hash Functions

md5 3879a42670877721bea3674681f0158f
sha1 bd0b884b0f80b7582046fa02de9be1dcf47e635e
sha256 cfe1492daf9663c282b1ad63d87586937e77f85b2d773be6f2b9dc13a61b3a31
sha512 5ffbcb3ea98bb1d9775a1a277ea180357ab51fa0b1849e06794fdc350e2e654c8e8e5592a7ec14569a974c1b57501389332b6eb2ef04de986174b553984e379b
ripemd-160 2c7a06d720f730b5e08e891e1062b317e6b730a5

20131645 as geometric shapes

Circle

Radius = n
Diameter 40263290
Circumference 126490856.07336
Area 1.2732345051074E+15

Sphere

Radius = n
Volume 3.4176406744765E+22
Surface area 5.0929380204298E+15
Circumference 126490856.07336

Square

Length = n
Perimeter 80526580
Area 405283130406025
Diagonal 28470445.391881

Cube

Length = n
Surface area 2431698782436150
Volume 8.1590161058228E+21
Space diagonal 34869031.97994

Equilateral Triangle

Length = n
Perimeter 60394935
Area 1.7549274332845E+14
Altitude 17434515.98997

Triangular Pyramid

Length = n
Surface area 1.7549274332845E+14
Volume 9.6154926937293E+20
Height 9490148.4639602