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

20808731 (number)

20808731 is an odd 8-digits composite number following 20808730 and preceding 20808732. In scientific notation, it is written as 2.0808731 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 19381248 positive integers (up to 20808731) that are relatively prime to 20808731.

Interesting facts

20808731 has 8 divisors, whose sum is 22261680
The reverse of 20808731 is 13780802
Previous prime number is 97

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million eight hundred eight thousand seven hundred thirty-one

Notation

Scientific notation	2.0808731 × 10^7
Engineering notation	2.0808731 × 10^6

Prime Factorization of 20808731

Prime Factorization 17 × 97 × 12619

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20808731	Product of the distinct prime numbers

The prime factorization of 20808731 is 17 × 97 × 12619. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 1, 67, 73, 595, 256, 7691, 7463, 23712, 61574, 877496, 605253, 6207140, 5081922, 8775565, 60698745, 297705516, 154843482, 56810765, 3807951544

Basic calculations (n = 20808731)

Multiplication

n×y

n×2	41617462
n×3	62426193
n×4	83234924
n×5	104043655

Division

n÷y

n÷2	10404365.5
n÷3	6936243.6666667
n÷3	5202182.75
n÷5	4161746.2

Exponentiation

n^y

n²	433003285830361
n³	9.0102488969601E+21
n⁴	1.8749184553989E+29
n⁵	3.9014673785331E+36

Nth Root

^y√n

²√n	4561.6587991651
³√n	275.0522479239
⁴√n	67.540053295545
⁵√n	29.083664036797

Divisors of 20808731

1, 17, 97, 1649, 12619, 214523, 1224043, 20808731

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20808730	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20808731 can be divided by 8 positive divisors. The sum of these divisors (counting 20808731) is 1, the average is 0.125.

Base conversion 20808731

Base	System	Value
2	Binary	1001111011000010000011011
3	Ternary	1110011012012202
4	Quaternary	1033120100123
5	Quinary	20311334411
6	Senary	2022000415
8	Octal	117302033
10	Decimal	20808731
12	Duodecimal	6b7610b
16	Hexadecimal	13d841b
20	Vigesimal	6a11gb
36	Base36	ce04b

Cryptographic Hash Functions

md5	f265f93532fe0e37f2052be6172a0ab6
sha1	5514492dcd14505aabb84bb36204743a68134217
sha256	19de6b269e5495f3874bffd7694ecbe155dfcee6572d3c2b62919ec6fb8bc2da
sha512	a3555c33016a3d16743a6ad696f9cce79bcef50614789fc8e3c2f8bf89a82a134da1189fac6584efbcc029cc0e005cec25319008d56b58f65f0584986ee4f5ac
ripemd-160	a69a86a59a7636c7b2c4a86cb151ab3505513633

20808731 as geometric shapes

Circle

Radius = n

Diameter	41617462
Circumference	130745112.88025
Area	1.3603199417449E+15

Sphere

Radius = n

Volume	3.7742042322274E+22
Surface area	5.4412797669796E+15
Circumference	130745112.88025

Square

Length = n

Perimeter	83234924
Area	433003285830361
Diagonal	29427989.595973

Cube

Length = n

Surface area	2598019714982166
Volume	9.0102488969601E+21
Space diagonal	36041779.333034

Equilateral Triangle

Length = n

Perimeter	62426193
Area	1.8749592272561E+14
Altitude	18020889.666517

Triangular Pyramid

Length = n

Surface area	1.8749592272561E+14
Volume	1.0618680158698E+21
Height	9809329.8653245