20021791 (number)

20021791 is an odd 8-digits composite number following 20021790 and preceding 20021792. In scientific notation, it is written as 2.0021791 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20012400 positive integers (up to 20021791) that are relatively prime to 20021791.

Interesting facts

Basic properties

Name

Name twenty million twenty-one thousand seven hundred ninety-one

Notation

Scientific notation 2.0021791 × 10^7
Engineering notation 2.0021791 × 10^6

Prime Factorization of 20021791

Prime Factorization 3271 × 6121

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20021791
Product of the distinct prime numbers

The prime factorization of 20021791 is 3271 × 6121. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20021791)

Multiplication

n×y
n×2 40043582
n×3 60065373
n×4 80087164
n×5 100108955

Division

n÷y
n÷2 10010895.5
n÷3 6673930.3333333
n÷3 5005447.75
n÷5 4004358.2

Exponentiation

ny
n2 400872114847681
n3 8.0261777012083E+21
n4 1.6069845246245E+29
n5 3.2174708292267E+36

Nth Root

y√n
2√n 4474.5715996059
3√n 271.5403090012
4√n 66.892238709778
5√n 28.860282954413

Divisors of 20021791

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 -20021790
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 20021791 can be divided by 4 positive divisors. The sum of these divisors (counting 20021791) is 1, the average is 0.25.

Base conversion 20021791

Base System Value
2 Binary 1001100011000001000011111
3 Ternary 1101200012201211
4 Quaternary 1030120020133
5 Quinary 20111144131
6 Senary 1553045251
8 Octal 114301037
10 Decimal 20021791
12 Duodecimal 6856827
16 Hexadecimal 131821f
20 Vigesimal 652e9b
36 Base36 bx4wv

Cryptographic Hash Functions

md5 556e19f8ebcaa30b13529ad404baa1b3
sha1 8329bd3a23d1e883c8460517e75743dbfb3d6950
sha256 e0aa1c730a8bc1d0336521f4a2921124648d702d9a82f29cad3c7bccb22e3d45
sha512 78de867cb9025a6cb515890e32983435bd8f678fea0a385763f10d8f20489ad99d6875c2791f04ed149e6e34f2243af4d3f8b0624db96c08dd122da11364f67e
ripemd-160 e294a393b796938cbef00d77272943cf21e73dfc

20021791 as geometric shapes

Circle

Radius = n
Diameter 40043582
Circumference 125800623.03462
Area 1.2593768910345E+15

Sphere

Radius = n
Volume 3.3619974536696E+22
Surface area 5.0375075641379E+15
Circumference 125800623.03462

Square

Length = n
Perimeter 80087164
Area 400872114847681
Diagonal 28315088.3752

Cube

Length = n
Surface area 2405232689086086
Volume 8.0261777012083E+21
Space diagonal 34678759.270525

Equilateral Triangle

Length = n
Perimeter 60065373
Area 1.7358271756344E+14
Altitude 17339379.635263

Triangular Pyramid

Length = n
Surface area 1.7358271756344E+14
Volume 9.4589411325544E+20
Height 9438362.7917332