Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20512561 (number)

20512561 is an odd 8-digits prime number following 20512560 and preceding 20512562. In scientific notation, it is written as 2.0512561 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 20512560 positive integers (up to 20512561) that are relatively prime to 20512561.

Interesting facts

20512561 has 2 divisors, whose sum is 20512562
The reverse of 20512561 is 16521502
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4

Name

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

Notation

Scientific notation	2.0512561 × 10^7
Engineering notation	2.0512561 × 10^6

Prime Factorization of 20512561

Prime Factorization 20512561

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20512561	Product of the distinct prime numbers

The prime factorization of 20512561 is 20512561. Since it has a total of 1 prime factors.

Most popular turbo-numbers

1, 9, 24, 71, 591, 339, 7005, 9023, 95622, 7294, 918991, 299343, 5766524, 823925, 87100965, 10198629, 336508193, 304226488, 2961308758, 4966746052

Basic calculations (n = 20512561)

Multiplication

n×y

n×2	41025122
n×3	61537683
n×4	82050244
n×5	102562805

Division

n÷y

n÷2	10256280.5
n÷3	6837520.3333333
n÷3	5128140.25
n÷5	4102512.2

Exponentiation

n^y

n²	420765158778721
n³	8.6309709861232E+21
n⁴	1.7704331884208E+29
n⁵	3.6316118773907E+36

Nth Root

^y√n

²√n	4529.0794870481
³√n	273.74107085684
⁴√n	67.298435992585
⁵√n	29.000399264541

Divisors of 20512561

1, 20512561

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20512562	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10256281	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4529.0795974458	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999024988	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20512561 can be divided by 2 positive divisors. The sum of these divisors (counting 20512561) is 20512562, the average is 10256281.

Base conversion 20512561

Base	System	Value
2	Binary	1001110001111111100110001
3	Ternary	1102121010221111
4	Quaternary	1032033330301
5	Quinary	20222400221
6	Senary	2011353321
8	Octal	116177461
10	Decimal	20512561
12	Duodecimal	6a52841
16	Hexadecimal	138ff31
20	Vigesimal	684181
36	Base36	c7nld

Cryptographic Hash Functions

md5	d748310be04b4d90add8ae26d892a690
sha1	42068a8dabf7f24319a17462910692324f362d53
sha256	900007b8a6b1b39086ce0343db9a4c3662c2075ee1e53a2f6ae6f4ec770563ab
sha512	da1c7d16e1354198362f2b0b3701aad83eaa246253efe7139081b4cd2d43dc1f8e34867c5019f5100ed9d9ef8a49ee389616c6bd918715edd2bf23a9ecde098d
ripemd-160	24c72fa0b8c458d690031d2ca7b77b7d6d77ef48

20512561 as geometric shapes

Circle

Radius = n

Diameter	41025122
Circumference	128884221.88782
Area	1.3218727317058E+15

Sphere

Radius = n

Volume	3.6153326724468E+22
Surface area	5.2874909268231E+15
Circumference	128884221.88782

Square

Length = n

Perimeter	82050244
Area	420765158778721
Diagonal	29009141.965205

Cube

Length = n

Surface area	2524590952672326
Volume	8.6309709861232E+21
Space diagonal	35528797.845356

Equilateral Triangle

Length = n

Perimeter	61537683
Area	1.8219665826488E+14
Altitude	17764398.922678

Triangular Pyramid

Length = n

Surface area	1.8219665826488E+14
Volume	1.0171696854187E+21
Height	9669713.9884018