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

20809982 (number)

20809982 is an even 8-digits composite number following 20809981 and preceding 20809983. In scientific notation, it is written as 2.0809982 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10404990 positive integers (up to 20809982) that are relatively prime to 20809982.

Interesting facts

20809982 has 4 divisors, whose sum is 31214976
The reverse of 20809982 is 28990802
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty million eight hundred nine thousand nine hundred eighty-two

Notation

Scientific notation	2.0809982 × 10^7
Engineering notation	2.0809982 × 10^6

Prime Factorization of 20809982

Prime Factorization 2 × 10404991

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20809982	Product of the distinct prime numbers

The prime factorization of 20809982 is 2 × 10404991. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 78, 83, 79, 199, 9785, 3810, 86368, 46023, 355364, 387588, 1873405, 3698809, 55619671, 74983366, 871909387, 537958192, 2179215516, 2719540887

Basic calculations (n = 20809982)

Multiplication

n×y

n×2	41619964
n×3	62429946
n×4	83239928
n×5	104049910

Division

n÷y

n÷2	10404991
n÷3	6936660.6666667
n÷3	5202495.5
n÷5	4161996.4

Exponentiation

n^y

n²	433055350840324
n³	9.0118740559908E+21
n⁴	1.8753693689144E+29
n⁵	3.9026402810459E+36

Nth Root

^y√n

²√n	4561.795918276
³√n	275.05775976837
⁴√n	67.541068382696
⁵√n	29.08401372452

Divisors of 20809982

1, 2, 10404991, 20809982

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	-20809981	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 20809982 can be divided by 4 positive divisors. The sum of these divisors (counting 20809982) is 1, the average is 0.25.

Base conversion 20809982

Base	System	Value
2	Binary	1001111011000100011111110
3	Ternary	1110011020221002
4	Quaternary	1033120203332
5	Quinary	20311404412
6	Senary	2022010302
8	Octal	117304376
10	Decimal	20809982
12	Duodecimal	6b76992
16	Hexadecimal	13d88fe
20	Vigesimal	6a14j2
36	Base36	ce132

Cryptographic Hash Functions

md5	a6b0d21b63ca007d4606379d827ed1d5
sha1	964c0797fe6cfb18fff2d01eca7eb390d0714742
sha256	5e92ec91909299253806d699b29cefa73ac9c37ed63bc3cdd67676001621ab5e
sha512	1db4be5ab23878141dec7ed110b8a7510b543de73b1b7b9523c42b72e8c71f21d12102bb9fefcede3c95726a37e1dbb39a828c77a0b9618a1908e999c0377ab6
ripemd-160	e6b5fcc4c28bec8e6ff532b898a439687e6e4556

20809982 as geometric shapes

Circle

Radius = n

Diameter	41619964
Circumference	130752973.14507
Area	1.3604835087977E+15

Sphere

Radius = n

Volume	3.7748849772503E+22
Surface area	5.4419340351908E+15
Circumference	130752973.14507

Square

Length = n

Perimeter	83239928
Area	433055350840324
Diagonal	29429758.77714

Cube

Length = n

Surface area	2598332105041944
Volume	9.0118740559908E+21
Space diagonal	36043946.128594

Equilateral Triangle

Length = n

Perimeter	62429946
Area	1.8751846753625E+14
Altitude	18021973.064297

Triangular Pyramid

Length = n

Surface area	1.8751846753625E+14
Volume	1.0620595426984E+21
Height	9809919.59238