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

20131531 (number)

20131531 is an odd 8-digits composite number following 20131530 and preceding 20131532. In scientific notation, it is written as 2.0131531 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 17255592 positive integers (up to 20131531) that are relatively prime to 20131531.

Interesting facts

20131531 has 4 divisors, whose sum is 23007472
The reverse of 20131531 is 13513102
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty million one hundred thirty-one thousand five hundred thirty-one

Notation

Scientific notation	2.0131531 × 10^7
Engineering notation	2.0131531 × 10^6

Prime Factorization of 20131531

Prime Factorization 7 × 2875933

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20131531	Product of the distinct prime numbers

The prime factorization of 20131531 is 7 × 2875933. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 1, 65, 42, 211, 285, 4499, 6023, 73258, 53861, 266796, 293336, 8931609, 9167434, 60452764, 5646276, 431241084, 176920778, 2661172251, 8883456408

Basic calculations (n = 20131531)

Multiplication

n×y

n×2	40263062
n×3	60394593
n×4	80526124
n×5	100657655

Division

n÷y

n÷2	10065765.5
n÷3	6710510.3333333
n÷3	5032882.75
n÷5	4026306.2

Exponentiation

n^y

n²	405278540403961
n³	8.1588774997771E+21
n⁴	1.6425069531197E+29
n⁵	3.3066179644444E+36

Nth Root

^y√n

²√n	4486.8174689862
³√n	272.03551205167
⁴√n	66.983710474907
⁵√n	28.89185062539

Divisors of 20131531

1, 7, 2875933, 20131531

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	-20131530	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 20131531 can be divided by 4 positive divisors. The sum of these divisors (counting 20131531) is 1, the average is 0.25.

Base conversion 20131531

Base	System	Value
2	Binary	1001100110010111011001011
3	Ternary	1101212210021021
4	Quaternary	1030302323023
5	Quinary	20123202111
6	Senary	1555253311
8	Octal	114627313
10	Decimal	20131531
12	Duodecimal	68aa237
16	Hexadecimal	1332ecb
20	Vigesimal	65g8gb
36	Base36	bzhl7

Cryptographic Hash Functions

md5	89681c04f715148ca3a4cf6ce9bc12fc
sha1	47cab3638c5a31060fc22bd3d71fa06ee435163d
sha256	d5105eb577145cabc513cb74a5c4f4d02d355a915ac2520bea4977f9664d9dcd
sha512	ada36e3c869820834255dca971d95dc9385db5bcce0f2fd78d063c3b2d07adb298c541fc968cce57195ac0a7f2ccb9aecde5407dcef226350fb85b3196447e61
ripemd-160	85c7336a5c4fdff43f254951992cb0b197734ac8

20131531 as geometric shapes

Circle

Radius = n

Diameter	40263062
Circumference	126490139.79023
Area	1.2732200851907E+15

Sphere

Radius = n

Volume	3.4175826153118E+22
Surface area	5.0928803407627E+15
Circumference	126490139.79023

Square

Length = n

Perimeter	80526124
Area	405278540403961
Diagonal	28470284.171534

Cube

Length = n

Surface area	2431671242423766
Volume	8.1588774997771E+21
Space diagonal	34868834.526148

Equilateral Triangle

Length = n

Perimeter	60394593
Area	1.7549075579925E+14
Altitude	17434417.263074

Triangular Pyramid

Length = n

Surface area	1.7549075579925E+14
Volume	9.6153293449379E+20
Height	9490094.7238448