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

20687431 (number)

20687431 is an odd 8-digits prime number following 20687430 and preceding 20687432. In scientific notation, it is written as 2.0687431 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 20687430 positive integers (up to 20687431) that are relatively prime to 20687431.

Interesting facts

20687431 has 2 divisors, whose sum is 20687432
The reverse of 20687431 is 13478602
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million six hundred eighty-seven thousand four hundred thirty-one

Notation

Scientific notation	2.0687431 × 10^7
Engineering notation	2.0687431 × 10^6

Prime Factorization of 20687431

Prime Factorization 20687431

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20687431	Product of the distinct prime numbers

The prime factorization of 20687431 is 20687431. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 7, 73, 29, 678, 742, 3472, 9581, 33370, 98806, 220193, 956694, 784430, 347809, 40555670, 26504366, 525080350, 931633201, 5033687270, 6521523569

Basic calculations (n = 20687431)

Multiplication

n×y

n×2	41374862
n×3	62062293
n×4	82749724
n×5	103437155

Division

n÷y

n÷2	10343715.5
n÷3	6895810.3333333
n÷3	5171857.75
n÷5	4137486.2

Exponentiation

n^y

n²	427969801379761
n³	8.8535957361275E+21
n⁴	1.8315815089303E+29
n⁵	3.7890716086872E+36

Nth Root

^y√n

²√n	4548.3437644927
³√n	274.51675351157
⁴√n	67.441409864361
⁵√n	29.049677310087

Divisors of 20687431

1, 20687431

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20687432	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10343716	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4548.3438744229	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999033229	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20687431 can be divided by 2 positive divisors. The sum of these divisors (counting 20687431) is 20687432, the average is 10343716.

Base conversion 20687431

Base	System	Value
2	Binary	1001110111010101001000111
3	Ternary	1102221000211011
4	Quaternary	1032322221013
5	Quinary	20243444211
6	Senary	2015223051
8	Octal	116725107
10	Decimal	20687431
12	Duodecimal	6b17a87
16	Hexadecimal	13baa47
20	Vigesimal	695ibb
36	Base36	cbeiv

Cryptographic Hash Functions

md5	2d51086a9c72ae17555d23b09fa398e9
sha1	8bf0756e20080b84adb7ba92ef0c56ad8273be17
sha256	de3635a29faf02f0fac47ee8769e9374832814a34a4fc70f427ffe80b5827abc
sha512	141bc9ba87d5cc3794d0fc4cbba8ca55d33562372067cd360f796197d73b2ba9308b4211b8572715ae176903c4cd8ddf90ea810ee2afce6f5da93b29f4e06941
ripemd-160	b35792aa795fadd601b2bd1b8937dbcf401c207c

20687431 as geometric shapes

Circle

Radius = n

Diameter	41374862
Circumference	129982962.50249
Area	1.3445067839729E+15

Sphere

Radius = n

Volume	3.7085855096629E+22
Surface area	5.3780271358918E+15
Circumference	129982962.50249

Square

Length = n

Perimeter	82749724
Area	427969801379761
Diagonal	29256445.490858

Cube

Length = n

Surface area	2567818808278566
Volume	8.8535957361275E+21
Space diagonal	35831681.570075

Equilateral Triangle

Length = n

Perimeter	62062293
Area	1.8531636002373E+14
Altitude	17915840.785038

Triangular Pyramid

Length = n

Surface area	1.8531636002373E+14
Volume	1.0434062638167E+21
Height	9752148.4969525