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

20831 (number)

20831 is an odd 5-digits composite number following 20830 and preceding 20832. In scientific notation, it is written as 2.0831 × 10^4. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 20232 positive integers (up to 20831) that are relatively prime to 20831.

Interesting facts

20831 has 4 divisors, whose sum is 21432
The reverse of 20831 is 13802
Previous prime number is 37

Basic properties

Is Prime? no
Number parity odd
Number length 5
Sum of Digits 14
Digital Root 5

Name

Name	twenty thousand eight hundred thirty-one

Notation

Scientific notation	2.0831 × 10^4
Engineering notation	2.0831 × 10^3

Prime Factorization of 20831

Prime Factorization 37 × 563

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20831	Product of the distinct prime numbers

The prime factorization of 20831 is 37 × 563. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 8, 80, 83, 891, 338, 487, 5842, 70673, 51055, 918812, 780615, 5595944, 4986956, 41135401, 26985946, 766888419, 576312134, 3555953508, 5484153036

Basic calculations (n = 20831)

Multiplication

n×y

n×2	41662
n×3	62493
n×4	83324
n×5	104155

Division

n÷y

n÷2	10415.5
n÷3	6943.6666666667
n÷3	5207.75
n÷5	4166.2

Exponentiation

n^y

n²	433930561
n³	9039207516191
n⁴	188295731769774721
n⁵	3.9223883884962E+21

Nth Root

^y√n

²√n	144.3294841673
³√n	27.515033102846
⁴√n	12.013720662946
⁵√n	7.3070490692104

Divisors of 20831

1, 37, 563, 20831

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	-20830	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 20831 can be divided by 4 positive divisors. The sum of these divisors (counting 20831) is 1, the average is 0.25.

Base conversion 20831

Base	System	Value
2	Binary	101000101011111
3	Ternary	1001120112
4	Quaternary	11011133
5	Quinary	1131311
6	Senary	240235
8	Octal	50537
10	Decimal	20831
12	Duodecimal	1007b
16	Hexadecimal	515f
20	Vigesimal	2c1b
36	Base36	g2n

Cryptographic Hash Functions

md5	1f9aa4769d4cee1656a17c5546b95839
sha1	d7eb983f1aef1a8e084cf476321e428ce1bee2d8
sha256	4e8b64da9fd08fc89e54e99c47400049786bbc3e841a8daa8b68f4210a57a104
sha512	8b39e02ad344b951978b25175768ec12ee033512fc9e95519a7fdc8bca0e007919155f9eb48637a59df1c40d64c172250132e0da41445b7e86ec7d617cc0a8a6
ripemd-160	c42c233ff2fc6a93350e19d06cc1554eb0abd477

20831 as geometric shapes

Circle

Radius = n

Diameter	41662
Circumference	130885.03313386
Area	1363233062.6057

Sphere

Radius = n

Volume	37863343902852
Surface area	5452932250.4228
Circumference	130885.03313386

Square

Length = n

Perimeter	83324
Area	433930561
Diagonal	29459.482717794

Cube

Length = n

Surface area	2603583366
Volume	9039207516191
Space diagonal	36080.350372467

Equilateral Triangle

Length = n

Perimeter	62493
Area	187897444.65222
Altitude	18040.175186234

Triangular Pyramid

Length = n

Surface area	187897444.65222
Volume	1065280821875.2
Height	9819.827572598