131147981 (number)

131147981 is an odd 9-digits composite number following 131147980 and preceding 131147982. In scientific notation, it is written as 1.31147981 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 131064864 positive integers (up to 131147981) that are relatively prime to 131147981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.31147981 × 10^8
Engineering notation 1.31147981 × 10^6

Prime Factorization of 131147981

Prime Factorization 1609 × 81509

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 131147981
Product of the distinct prime numbers

The prime factorization of 131147981 is 1609 × 81509. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 131147981)

Multiplication

n×y
n×2 262295962
n×3 393443943
n×4 524591924
n×5 655739905

Division

n÷y
n÷2 65573990.5
n÷3 43715993.666667
n÷3 32786995.25
n÷5 26229596.2

Exponentiation

ny
n2 17199792920376361
n3 2.2557181151255E+24
n4 2.9583287650383E+32
n5 3.8797884466899E+40

Nth Root

y√n
2√n 11451.985897651
3√n 508.0664722263
4√n 107.01395188316
5√n 42.029315963006

Divisors of 131147981

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 -131147980
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 131147981 can be divided by 4 positive divisors. The sum of these divisors (counting 131147981) is 1, the average is 0.25.

Base conversion 131147981

Base System Value
2 Binary 111110100010010100011001101
3 Ternary 100010210000012122
4 Quaternary 13310102203031
5 Quinary 232033213411
6 Senary 21002542325
8 Octal 764224315
10 Decimal 131147981
12 Duodecimal 37b079a5
16 Hexadecimal 7d128cd
20 Vigesimal 20jd9j1
36 Base36 262yfh

Cryptographic Hash Functions

md5 0ae704ce841b5ad9a72e05539e9389d0
sha1 5164aa2b1591d2f5e762207f5a827f7dacadf399
sha256 2d35bb30bad1dbafdae59a367165cd8b9b30f7f30ebe3731ab3f92f31333def9
sha512 01cf041c5d439ebcacc875e7d4e4ef08d11b9e4f486d10f98dfe96a32b252b2a22c18b4e56dceb79219683a88630cbd7270047a40ff8891e626d75d07fe5fce5
ripemd-160 cca0f8883abca2ebfde8527bb438506f8430ac1e

131147981 as geometric shapes

Circle

Radius = n
Diameter 262295962
Circumference 824027067.28547
Area 5.403474308192E+16

Sphere

Radius = n
Volume 9.4487299453967E+24
Surface area 2.1613897232768E+17
Circumference 824027067.28547

Square

Length = n
Perimeter 524591924
Area 17199792920376361
Diagonal 185471253.40805

Cube

Length = n
Surface area 103198757522258166
Volume 2.2557181151255E+24
Space diagonal 227154966.40208

Equilateral Triangle

Length = n
Perimeter 393443943
Area 7.4477288044388E+15
Altitude 113577483.20104

Triangular Pyramid

Length = n
Surface area 7.4477288044388E+15
Volume 2.6583892927509E+23
Height 61823751.136016