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

20809961 (number)

20809961 is an odd 8-digits prime number following 20809960 and preceding 20809962. In scientific notation, it is written as 2.0809961 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 20809960 positive integers (up to 20809961) that are relatively prime to 20809961.

Interesting facts

20809961 has 2 divisors, whose sum is 20809962
The reverse of 20809961 is 16990802
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty million eight hundred nine thousand nine hundred sixty-one

Notation

Scientific notation	2.0809961 × 10^7
Engineering notation	2.0809961 × 10^6

Prime Factorization of 20809961

Prime Factorization 20809961

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20809961	Product of the distinct prime numbers

The prime factorization of 20809961 is 20809961. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 2, 7, 90, 799, 983, 304, 8349, 48375, 66357, 644846, 784910, 6631913, 9623389, 75454558, 91686872, 810480864, 668831710, 5188015061, 1503198399

Basic calculations (n = 20809961)

Multiplication

n×y

n×2	41619922
n×3	62429883
n×4	83239844
n×5	104049805

Division

n÷y

n÷2	10404980.5
n÷3	6936653.6666667
n÷3	5202490.25
n÷5	4161992.2

Exponentiation

n^y

n²	433054476821521
n³	9.0118467735313E+21
n⁴	1.8753617989516E+29
n⁵	3.9026205897073E+36

Nth Root

^y√n

²√n	4561.7936165504
³√n	275.05766724523
⁴√n	67.541051343242
⁵√n	29.084007854601

Divisors of 20809961

1, 20809961

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20809962	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10404981	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4561.7937261564	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999038922	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809961 can be divided by 2 positive divisors. The sum of these divisors (counting 20809961) is 20809962, the average is 10404981.

Base conversion 20809961

Base	System	Value
2	Binary	1001111011000100011101001
3	Ternary	1110011020220022
4	Quaternary	1033120203221
5	Quinary	20311404321
6	Senary	2022010225
8	Octal	117304351
10	Decimal	20809961
12	Duodecimal	6b76975
16	Hexadecimal	13d88e9
20	Vigesimal	6a14i1
36	Base36	ce12h

Cryptographic Hash Functions

md5	9def51f0ddaf5b317176088472f6adee
sha1	9b3ef85edb847a89f884b2021d41f9998917b7fe
sha256	64d424dca5446b8f4ee88a315311141fe2cb59c536b48d72b5228859657b68a7
sha512	0d2d20b83b6aea06803fbaa6876f164d06d11252ed8bccb41662c5055a84406db7d195a0e8d56b781f53d495345218335f30f32283f2b6dfeddccd3b28a73dac
ripemd-160	89bf4b020722002f7b7b4f449ff9dec9c3f5b683

20809961 as geometric shapes

Circle

Radius = n

Diameter	41619922
Circumference	130752841.19818
Area	1.3604807629867E+15

Sphere

Radius = n

Volume	3.7748735492004E+22
Surface area	5.4419230519466E+15
Circumference	130752841.19818

Square

Length = n

Perimeter	83239844
Area	433054476821521
Diagonal	29429729.078655

Cube

Length = n

Surface area	2598326860929126
Volume	9.0118467735313E+21
Space diagonal	36043909.755527

Equilateral Triangle

Length = n

Perimeter	62429883
Area	1.8751808907501E+14
Altitude	18021954.877763

Triangular Pyramid

Length = n

Surface area	1.8751808907501E+14
Volume	1.0620563274297E+21
Height	9809909.6928851