20561621 (number)

20561621 is an odd 8-digits prime number following 20561620 and preceding 20561622. In scientific notation, it is written as 2.0561621 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 20561620 positive integers (up to 20561621) that are relatively prime to 20561621.

Interesting facts

Basic properties

Name

Name twenty million five hundred sixty-one thousand six hundred twenty-one

Notation

Scientific notation 2.0561621 × 10^7
Engineering notation 2.0561621 × 10^6

Prime Factorization of 20561621

Prime Factorization 20561621

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20561621
Product of the distinct prime numbers

The prime factorization of 20561621 is 20561621. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20561621)

Multiplication

n×y
n×2 41123242
n×3 61684863
n×4 82246484
n×5 102808105

Division

n÷y
n÷2 10280810.5
n÷3 6853873.6666667
n÷3 5140405.25
n÷5 4112324.2

Exponentiation

ny
n2 422780258147641
n3 8.693047434314E+21
n4 1.7874314667939E+29
n5 3.6752488383689E+36

Nth Root

y√n
2√n 4534.492364091
3√n 273.95913308844
4√n 67.338639458271
5√n 29.014258093863

Divisors of 20561621

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20561622
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10280811
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4534.492474357
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999027314
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20561621 can be divided by 2 positive divisors. The sum of these divisors (counting 20561621) is 20561622, the average is 10280811.

Base conversion 20561621

Base System Value
2 Binary 1001110011011111011010101
3 Ternary 1102200122020112
4 Quaternary 1032123323111
5 Quinary 20230432441
6 Senary 2012412405
8 Octal 116337325
10 Decimal 20561621
12 Duodecimal 6a77105
16 Hexadecimal 139bed5
20 Vigesimal 68a411
36 Base36 c8pg5

Cryptographic Hash Functions

md5 2ef627a44a872dd33780b1c1f4b11754
sha1 b8220a033d43cbcfded3dd063e14688d8b7fb973
sha256 09e163494c12d1906a4da36147da7ade60eac4b37f07a9cf763c4070062759d3
sha512 889fe81aa233d236f68358d7311b1d3aa1816c94f3f8d0b0f79a005942b329104f567fac0792694531082d9a20ed34a788abbc0ae3f50d2ca19f4007f9049034
ripemd-160 984f2d06eb01fbe381da15cd3d3a1f9e63451e59

20561621 as geometric shapes

Circle

Radius = n
Diameter 41123242
Circumference 129192474.959
Area 1.3282033530794E+15

Sphere

Radius = n
Volume 3.6413351942598E+22
Surface area 5.3128134123177E+15
Circumference 129192474.959

Square

Length = n
Perimeter 82246484
Area 422780258147641
Diagonal 29078523.282575

Cube

Length = n
Surface area 2536681548885846
Volume 8.693047434314E+21
Space diagonal 35613772.257975

Equilateral Triangle

Length = n
Perimeter 61684863
Area 1.830692218872E+14
Altitude 17806886.128988

Triangular Pyramid

Length = n
Surface area 1.830692218872E+14
Volume 1.0244854649966E+21
Height 9692841.0941918