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

20809639 (number)

20809639 is an odd 8-digits composite number following 20809638 and preceding 20809640. In scientific notation, it is written as 2.0809639 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 20746440 positive integers (up to 20809639) that are relatively prime to 20809639.

Interesting facts

20809639 has 4 divisors, whose sum is 20872840
The reverse of 20809639 is 93690802
Previous prime number is 331

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	twenty million eight hundred nine thousand six hundred thirty-nine

Notation

Scientific notation	2.0809639 × 10^7
Engineering notation	2.0809639 × 10^6

Prime Factorization of 20809639

Prime Factorization 331 × 62869

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20809639	Product of the distinct prime numbers

The prime factorization of 20809639 is 331 × 62869. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 1, 70, 85, 34, 406, 5858, 3748, 52589, 37547, 520519, 54126, 9298762, 4648984, 11710290, 58553303, 297531131, 678991782, 2306831059, 5143357610

Basic calculations (n = 20809639)

Multiplication

n×y

n×2	41619278
n×3	62428917
n×4	83238556
n×5	104048195

Division

n÷y

n÷2	10404819.5
n÷3	6936546.3333333
n÷3	5202409.75
n÷5	4161927.8

Exponentiation

n^y

n²	433041075310321
n³	9.0114284493796E+21
n⁴	1.8752457290592E+29
n⁵	3.9023186658014E+36

Nth Root

^y√n

²√n	4561.7583232784
³√n	275.05624854922
⁴√n	67.54079006999
⁵√n	29.083917848584

Divisors of 20809639

1, 331, 62869, 20809639

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	-20809638	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 20809639 can be divided by 4 positive divisors. The sum of these divisors (counting 20809639) is 1, the average is 0.25.

Base conversion 20809639

Base	System	Value
2	Binary	1001111011000011110100111
3	Ternary	1110011020110101
4	Quaternary	1033120132213
5	Quinary	20311402024
6	Senary	2022004531
8	Octal	117303647
10	Decimal	20809639
12	Duodecimal	6b76747
16	Hexadecimal	13d87a7
20	Vigesimal	6a141j
36	Base36	ce0tj

Cryptographic Hash Functions

md5	2a3590fe299e473b95b22f4024787a42
sha1	efda39469560fa6e01afffe60389864fa73ce5c2
sha256	0b33f2d769e5dfc089f5b579e565b62e369646acce4e92396679c001c3508cf0
sha512	9d23228570a77002946651069c39706627b36cd2a9d47c50266f590481d20b1fc71bc7dbb65d2642b34666d93602866d99120fbd2e69f27e52ed3bcdc8616c49
ripemd-160	7435d88cc3d5f1b7990622588684691a02d4453a

20809639 as geometric shapes

Circle

Radius = n

Diameter	41619278
Circumference	130750818.01251
Area	1.3604386608975E+15

Sphere

Radius = n

Volume	3.7746983219895E+22
Surface area	5.4417546435901E+15
Circumference	130750818.01251

Square

Length = n

Perimeter	83238556
Area	433041075310321
Diagonal	29429273.701888

Cube

Length = n

Surface area	2598246451861926
Volume	9.0114284493796E+21
Space diagonal	36043352.035167

Equilateral Triangle

Length = n

Perimeter	62428917
Area	1.8751228605043E+14
Altitude	18021676.017583

Triangular Pyramid

Length = n

Surface area	1.8751228605043E+14
Volume	1.0620070274556E+21
Height	9809757.9006294