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

20809931 (number)

20809931 is an odd 8-digits prime number following 20809930 and preceding 20809932. In scientific notation, it is written as 2.0809931 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 20809930 positive integers (up to 20809931) that are relatively prime to 20809931.

Interesting facts

20809931 has 2 divisors, whose sum is 20809932
The reverse of 20809931 is 13990802
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0809931 × 10^7
Engineering notation	2.0809931 × 10^6

Prime Factorization of 20809931

Prime Factorization 20809931

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20809931	Product of the distinct prime numbers

The prime factorization of 20809931 is 20809931. Since it has a total of 1 prime factors.

Most popular turbo-numbers

4, 3, 46, 51, 155, 881, 7649, 4974, 28285, 93353, 868193, 349497, 8393614, 3731343, 7319773, 52463584, 168448454, 878316841, 2355655500, 1858705310

Basic calculations (n = 20809931)

Multiplication

n×y

n×2	41619862
n×3	62429793
n×4	83239724
n×5	104049655

Division

n÷y

n÷2	10404965.5
n÷3	6936643.6666667
n÷3	5202482.75
n÷5	4161986.2

Exponentiation

n^y

n²	433053228224761
n³	9.0118077986845E+21
n⁴	1.8753509847589E+29
n⁵	3.9025924593614E+36

Nth Root

^y√n

²√n	4561.7903283689
³√n	275.0575350692
⁴√n	67.541027001141
⁵√n	29.083999468994

Divisors of 20809931

1, 20809931

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20809932	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10404966	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4561.790437975	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999903892	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20809931 can be divided by 2 positive divisors. The sum of these divisors (counting 20809931) is 20809932, the average is 10404966.

Base conversion 20809931

Base	System	Value
2	Binary	1001111011000100011001011
3	Ternary	1110011020212012
4	Quaternary	1033120203023
5	Quinary	20311404211
6	Senary	2022010135
8	Octal	117304313
10	Decimal	20809931
12	Duodecimal	6b7694b
16	Hexadecimal	13d88cb
20	Vigesimal	6a14gb
36	Base36	ce11n

Cryptographic Hash Functions

md5	f47dd07733a8b2d2e24c946183ee50ec
sha1	29ccbe34fe0e3461deba5e1d198182dce74acf14
sha256	7d9c38b42e5ac9f491ca177c5d389dd5cc4343aac9ee6842161b19e1655c068b
sha512	7264f9cbe2643d7e17782034d2a26c929f5cbbc0bfb31cabb01fbb33ff34844fc230fd9dedc807052f73b2e44975919a091d377123103f4062f466fa7a50e988
ripemd-160	4174ba0e24d29153500b6b14efaa3998aa815769

20809931 as geometric shapes

Circle

Radius = n

Diameter	41619862
Circumference	130752652.70262
Area	1.3604768404043E+15

Sphere

Radius = n

Volume	3.7748572234547E+22
Surface area	5.441907361617E+15
Circumference	130752652.70262

Square

Length = n

Perimeter	83239724
Area	433053228224761
Diagonal	29429686.652248

Cube

Length = n

Surface area	2598319369348566
Volume	9.0118077986845E+21
Space diagonal	36043857.794003

Equilateral Triangle

Length = n

Perimeter	62429793
Area	1.8751754841675E+14
Altitude	18021928.897001

Triangular Pyramid

Length = n

Surface area	1.8751754841675E+14
Volume	1.0620517341999E+21
Height	9809895.5507494