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

131081987 (number)

131081987 is an odd 9-digits composite number following 131081986 and preceding 131081988. In scientific notation, it is written as 1.31081987 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 131042040 positive integers (up to 131081987) that are relatively prime to 131081987.

Interesting facts

131081987 has 4 divisors, whose sum is 131121936
The reverse of 131081987 is 789180131
Previous prime number is 3607

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2

Name

Name	one hundred thirty-one million eighty-one thousand nine hundred eighty-seven

Notation

Scientific notation	1.31081987 × 10^8
Engineering notation	1.31081987 × 10^6

Prime Factorization of 131081987

Prime Factorization 3607 × 36341

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	131081987	Product of the distinct prime numbers

The prime factorization of 131081987 is 3607 × 36341. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 5, 89, 65, 532, 104, 3845, 2337, 89967, 6000, 21395, 940032, 4790952, 6458200, 97778744, 12535113, 981920037, 955904569, 4518573497, 8642428105

Basic calculations (n = 131081987)

Multiplication

n×y

n×2	262163974
n×3	393245961
n×4	524327948
n×5	655409935

Division

n÷y

n÷2	65540993.5
n÷3	43693995.666667
n÷3	32770496.75
n÷5	26216397.4

Exponentiation

n^y

n²	17182487315868169
n³	2.2523145789663E+24
n⁴	2.9523787035997E+32
n⁵	3.8700366684433E+40

Nth Root

^y√n

²√n	11449.104200766
³√n	507.9812378112
⁴√n	107.00048691836
⁵√n	42.025085259468

Divisors of 131081987

1, 3607, 36341, 131081987

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	-131081986	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 131081987 can be divided by 4 positive divisors. The sum of these divisors (counting 131081987) is 1, the average is 0.25.

Base conversion 131081987

Base	System	Value
2	Binary	111110100000010011100000011
3	Ternary	100010122122200102
4	Quaternary	13310002130003
5	Quinary	232024110422
6	Senary	21001313015
8	Octal	764023403
10	Decimal	131081987
12	Duodecimal	37a9576b
16	Hexadecimal	7d02703
20	Vigesimal	20j54j7
36	Base36	261jib

Cryptographic Hash Functions

md5	758dec82424c5f4500f8c52101b88696
sha1	a45e979393d73c56888ab487ea5cfd15b507f1e2
sha256	9605366492b5484216b2f1f5f7732d970ea305248150973b5c58ab9e289afc01
sha512	89f078d91c00ba8504fe8bfc30598a7486bbf2a00bef73551912b30464effe67b92f5b26fc10d976f31c9d9c120f97435c9c70aa725f89136ea64ad9b74c78b5
ripemd-160	a25a5e2c03bbafc271ab6e9a004b0b48dc1a5583

131081987 as geometric shapes

Circle

Radius = n

Diameter	262163974
Circumference	823612414.75431
Area	5.3980375921931E+16

Sphere

Radius = n

Volume	9.4344732464716E+24
Surface area	2.1592150368772E+17
Circumference	823612414.75431

Square

Length = n

Perimeter	524327948
Area	17182487315868169
Diagonal	185377923.79821

Cube

Length = n

Surface area	103094923895209014
Volume	2.2523145789663E+24
Space diagonal	227040661.44108

Equilateral Triangle

Length = n

Perimeter	393245961
Area	7.4402352578729E+15
Altitude	113520330.72054

Triangular Pyramid

Length = n

Surface area	7.4402352578729E+15
Volume	2.6543781869207E+23
Height	61792641.266071