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

20131687 (number)

20131687 is an odd 8-digits composite number following 20131686 and preceding 20131688. In scientific notation, it is written as 2.0131687 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 19863480 positive integers (up to 20131687) that are relatively prime to 20131687.

Interesting facts

20131687 has 8 divisors, whose sum is 20401920
The reverse of 20131687 is 78613102
Previous prime number is 239

Basic properties

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

Name

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

Notation

Scientific notation	2.0131687 × 10^7
Engineering notation	2.0131687 × 10^6

Prime Factorization of 20131687

Prime Factorization 131 × 239 × 643

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20131687	Product of the distinct prime numbers

The prime factorization of 20131687 is 131 × 239 × 643. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 51, 44, 221, 245, 2518, 3517, 45341, 79025, 184901, 878648, 6427254, 3117822, 26092812, 47773350, 356679400, 158289128, 5609246827, 4182829707

Basic calculations (n = 20131687)

Multiplication

n×y

n×2	40263374
n×3	60395061
n×4	80526748
n×5	100658435

Division

n÷y

n÷2	10065843.5
n÷3	6710562.3333333
n÷3	5032921.75
n÷5	4026337.4

Exponentiation

n^y

n²	405284821465969
n³	8.1590671716038E+21
n⁴	1.642557865107E+29
n⁵	3.3067460819723E+36

Nth Root

^y√n

²√n	4486.8348532122
³√n	272.03621472104
⁴√n	66.983840239361
⁵√n	28.891895402062

Divisors of 20131687

1, 131, 239, 643, 31309, 84233, 153677, 20131687

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	-20131686	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 20131687 can be divided by 8 positive divisors. The sum of these divisors (counting 20131687) is 1, the average is 0.125.

Base conversion 20131687

Base	System	Value
2	Binary	1001100110010111101100111
3	Ternary	1101212210111001
4	Quaternary	1030302331213
5	Quinary	20123203222
6	Senary	1555254131
8	Octal	114627547
10	Decimal	20131687
12	Duodecimal	68aa347
16	Hexadecimal	1332f67
20	Vigesimal	65g947
36	Base36	bzhpj

Cryptographic Hash Functions

md5	67ee22de1ae3a4c83016f7d22ce8a617
sha1	fa8ba37198a124d9ba5e8ce34734918bc3dd50d6
sha256	99f946b7554275567720eaafe6217f7116141aa1a7981c93ae243e3dfab6dfa6
sha512	8354bdec97c784ef4d2a74797546b024e1bd60b5cacf93195942651200eac2e71a2d03710451f91f8c0b9251209938ceb14ec547896dcdfe4ca5a441d559b625
ripemd-160	283c37ae99d0e2016518b35705e4572bd6d8eb0f

20131687 as geometric shapes

Circle

Radius = n

Diameter	40263374
Circumference	126491119.96714
Area	1.2732398177289E+15

Sphere

Radius = n

Volume	3.4176620648608E+22
Surface area	5.0929592709158E+15
Circumference	126491119.96714

Square

Length = n

Perimeter	80526748
Area	405284821465969
Diagonal	28470504.78885

Cube

Length = n

Surface area	2431708928795814
Volume	8.1590671716038E+21
Space diagonal	34869104.726074

Equilateral Triangle

Length = n

Perimeter	60395061
Area	1.7549347557888E+14
Altitude	17434552.363037

Triangular Pyramid

Length = n

Surface area	1.7549347557888E+14
Volume	9.6155528753293E+20
Height	9490168.26295