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

20391431 (number)

20391431 is an odd 8-digits prime number following 20391430 and preceding 20391432. In scientific notation, it is written as 2.0391431 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 20391430 positive integers (up to 20391431) that are relatively prime to 20391431.

Interesting facts

20391431 has 2 divisors, whose sum is 20391432
The reverse of 20391431 is 13419302
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5

Name

Name	twenty million three hundred ninety-one thousand four hundred thirty-one

Notation

Scientific notation	2.0391431 × 10^7
Engineering notation	2.0391431 × 10^6

Prime Factorization of 20391431

Prime Factorization 20391431

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20391431	Product of the distinct prime numbers

The prime factorization of 20391431 is 20391431. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 1, 49, 8, 731, 539, 4493, 2886, 80917, 61580, 647232, 495812, 8311733, 7437911, 7068795, 78437538, 89986438, 833010660, 1430768656, 3173802104

Basic calculations (n = 20391431)

Multiplication

n×y

n×2	40782862
n×3	61174293
n×4	81565724
n×5	101957155

Division

n÷y

n÷2	10195715.5
n÷3	6797143.6666667
n÷3	5097857.75
n÷5	4078286.2

Exponentiation

n^y

n²	415810458227761
n³	8.4789702680298E+21
n⁴	1.7289833717158E+29
n⁵	3.525644512449E+36

Nth Root

^y√n

²√n	4515.6872123742
³√n	273.20117826493
⁴√n	67.198863177692
⁵√n	28.966067662663

Divisors of 20391431

1, 20391431

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20391432	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10195716	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4515.6873230993	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999019196	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20391431 can be divided by 2 positive divisors. The sum of these divisors (counting 20391431) is 20391432, the average is 10195716.

Base conversion 20391431

Base	System	Value
2	Binary	1001101110010011000000111
3	Ternary	1102100222210012
4	Quaternary	1031302120013
5	Quinary	20210011211
6	Senary	2005020435
8	Octal	115623007
10	Decimal	20391431
12	Duodecimal	69b471b
16	Hexadecimal	1372607
20	Vigesimal	678ibb
36	Base36	c524n

Cryptographic Hash Functions

md5	6b4d37bf4220df3e2912dbb3fe05eb1f
sha1	f11a5c51d477f8b09cf2fe7b8234759a8b75043e
sha256	0a86296754e184085b2810072c7fe7b7e84e0277b24a8ae43678c83410015e56
sha512	b7a8cc72d643d1544f8ae629e075d5a0db4e2738841c3bf9fa7ed9d636ca7f422ab50d89cae9f58321a69e340d9e44c6942e68b7a52bcc3fee8da8046534f6ab
ripemd-160	eebe8c263269430115ccd01bd90eb982aefc6672

20391431 as geometric shapes

Circle

Radius = n

Diameter	40782862
Circumference	128123139.65157
Area	1.3063070808541E+15

Sphere

Radius = n

Volume	3.5516627605398E+22
Surface area	5.2252283234166E+15
Circumference	128123139.65157

Square

Length = n

Perimeter	81565724
Area	415810458227761
Diagonal	28837838.276395

Cube

Length = n

Surface area	2494862749366566
Volume	8.4789702680298E+21
Space diagonal	35318994.531035

Equilateral Triangle

Length = n

Perimeter	61174293
Area	1.8005120999224E+14
Altitude	17659497.265518

Triangular Pyramid

Length = n

Surface area	1.8005120999224E+14
Volume	9.9925622900049E+20
Height	9612612.7587984