131491 (number)

131491 is an odd 6-digits composite number following 131490 and preceding 131492. In scientific notation, it is written as 1.31491 × 10^5. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 125752 positive integers (up to 131491) that are relatively prime to 131491.

Interesting facts

Basic properties

Name

Name one hundred thirty-one thousand four hundred ninety-one

Notation

Scientific notation 1.31491 × 10^5
Engineering notation 1.31491 × 10^3

Prime Factorization of 131491

Prime Factorization 23 × 5717

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 131491
Product of the distinct prime numbers

The prime factorization of 131491 is 23 × 5717. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 131491)

Multiplication

n×y
n×2 262982
n×3 394473
n×4 525964
n×5 657455

Division

n÷y
n÷2 65745.5
n÷3 43830.333333333
n÷3 32872.75
n÷5 26298.2

Exponentiation

ny
n2 17289883081
n3 2273464016203771
n4 2.9894005695465E+20
n5 3.9307927029024E+25

Nth Root

y√n
2√n 362.61687770979
3√n 50.850903777106
4√n 19.042501876324
5√n 10.562803620842

Divisors of 131491

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 -131490
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 131491 can be divided by 4 positive divisors. The sum of these divisors (counting 131491) is 1, the average is 0.25.

Base conversion 131491

Base System Value
2 Binary 100000000110100011
3 Ternary 20200101001
4 Quaternary 200012203
5 Quinary 13201431
6 Senary 2452431
8 Octal 400643
10 Decimal 131491
12 Duodecimal 64117
16 Hexadecimal 201a3
20 Vigesimal g8eb
36 Base36 2tgj

Cryptographic Hash Functions

md5 58a69ba617189250cbf22fdd02dd4ce4
sha1 50b320f1276ac4c53510ed74e1c98b21303688d2
sha256 d0536ee9b3a95e604e8e355fd959ca2aaa2c0b296d2c421b802dedfe3934de1f
sha512 267e79e413bc1465d190117af5148f6d4ec41b5339f42f8d921faaebf1a511f221111065ce4cd9f56e8a0cce701c905a87b437e2558f4a2c64569da18e1d016e
ripemd-160 7fa7783697c7833415c2833ee2ab43bdc0f5edc9

131491 as geometric shapes

Circle

Radius = n
Diameter 262982
Circumference 826182.31922635
Area 54317769668.696

Sphere

Radius = n
Volume 9.5230638020087E+15
Surface area 217271078674.78
Circumference 826182.31922635

Square

Length = n
Perimeter 525964
Area 17289883081
Diagonal 185956.35553

Cube

Length = n
Surface area 103739298486
Volume 2273464016203771
Space diagonal 227749.09273804

Equilateral Triangle

Length = n
Perimeter 394473
Area 7486738988.3044
Altitude 113874.54636902

Triangular Pyramid

Length = n
Surface area 7486738988.3044
Volume 2.6793030377355E+14
Height 61985.451843334