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

20971531 (number)

20971531 is an odd 8-digits composite number following 20971530 and preceding 20971532. In scientific notation, it is written as 2.0971531 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 17395560 positive integers (up to 20971531) that are relatively prime to 20971531.

Interesting facts

20971531 has 8 divisors, whose sum is 24740864
The reverse of 20971531 is 13517902
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.0971531 × 10^7
Engineering notation	2.0971531 × 10^6

Prime Factorization of 20971531

Prime Factorization 7 × 31 × 96643

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20971531	Product of the distinct prime numbers

The prime factorization of 20971531 is 7 × 31 × 96643. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 7, 89, 731, 677, 8323, 4837, 90308, 11896, 760728, 890159, 8061277, 4722341, 73774843, 96801767, 247967542, 310992396, 4197111187, 1382329001

Basic calculations (n = 20971531)

Multiplication

n×y

n×2	41943062
n×3	62914593
n×4	83886124
n×5	104857655

Division

n÷y

n÷2	10485765.5
n÷3	6990510.3333333
n÷3	5242882.75
n÷5	4194306.2

Exponentiation

n^y

n²	439805112483961
n³	9.2233865504159E+21
n⁴	1.9342853696703E+29
n⁵	4.0564925592887E+36

Nth Root

^y√n

²√n	4579.4684189325
³√n	275.76768853937
⁴√n	67.671769734007
⁵√n	29.129030304173

Divisors of 20971531

1, 7, 31, 217, 96643, 676501, 2995933, 20971531

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	-20971530	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 20971531 can be divided by 8 positive divisors. The sum of these divisors (counting 20971531) is 1, the average is 0.125.

Base conversion 20971531

Base	System	Value
2	Binary	1010000000000000000001011
3	Ternary	1110110110112101
4	Quaternary	1100000000023
5	Quinary	20332042111
6	Senary	2025254231
8	Octal	120000013
10	Decimal	20971531
12	Duodecimal	7034377
16	Hexadecimal	140000b
20	Vigesimal	6b18gb
36	Base36	chhqj

Cryptographic Hash Functions

md5	885c72f798dac43a82954b017b5c331e
sha1	c78c105329266da80d711bc6fff17a8d21b2ea60
sha256	cd5c5128555cc749ccdba7c8324656a6aab5e75af80865ecd16b02e2268af34a
sha512	284b94da285a264e0410c145fe965b6c95ec6e6e538f8d976018dc76d59219967efc4d8e501171a8a5030ff054bd291dd065aeb836043fe8eb5e16f193ba1dc1
ripemd-160	32f5e57d09cfc4f9f8d7fe4c38ad5d81d8ec9069

20971531 as geometric shapes

Circle

Radius = n

Diameter	41943062
Circumference	131768015.44826
Area	1.3816885103908E+15

Sphere

Radius = n

Volume	3.8634831237341E+22
Surface area	5.5267540415634E+15
Circumference	131768015.44826

Square

Length = n

Perimeter	83886124
Area	439805112483961
Diagonal	29658223.563928

Cube

Length = n

Surface area	2638830674903766
Volume	9.2233865504159E+21
Space diagonal	36323757.204506

Equilateral Triangle

Length = n

Perimeter	62914593
Area	1.9044120006269E+14
Altitude	18161878.602253

Triangular Pyramid

Length = n

Surface area	1.9044120006269E+14
Volume	1.0869865292173E+21
Height	9886074.5213093