131445840 (number)

131445840 is an even 9-digits composite number following 131445839 and preceding 131445841. In scientific notation, it is written as 1.31445840 × 10^8. The sum of its digits is 30. It has a total of 9 prime factors and 160 positive divisors. There are 33384960 positive integers (up to 131445840) that are relatively prime to 131445840.

Interesting facts

Basic properties

Name

Name one hundred thirty-one million four hundred forty-five thousand eight hundred forty

Notation

Scientific notation 1.31445840 × 10^8
Engineering notation 1.31445840 × 10^6

Prime Factorization of 131445840

Prime Factorization 2 × 2 × 2 × 2 × 5 × 3 × 47 × 43 × 271

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 16430730
Product of the distinct prime numbers

The prime factorization of 131445840 is 2 × 2 × 2 × 2 × 5 × 3 × 47 × 43 × 271. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 131445840)

Multiplication

n×y
n×2 262891680
n×3 394337520
n×4 525783360
n×5 657229200

Division

n÷y
n÷2 65722920
n÷3 43815280
n÷3 32861460
n÷5 26289168

Exponentiation

ny
n2 17278008853305600
n3 2.2711223872502E+24
n4 2.9852958993491E+32
n5 3.9240472713849E+40

Nth Root

y√n
2√n 11464.983209757
3√n 508.45081604831
4√n 107.0746618475
5√n 42.048389764183

Divisors of 131445840

160 divisors

τ Total Divisors 160
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -131445839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.00625
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 160
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131445840 can be divided by 160 positive divisors. The sum of these divisors (counting 131445840) is 1, the average is 0.00625.

Base conversion 131445840

Base System Value
2 Binary 111110101011011010001010000
3 Ternary 100011100010210110
4 Quaternary 13311123101100
5 Quinary 232122231330
6 Senary 21013201320
8 Octal 765332120
10 Decimal 131445840
12 Duodecimal 38030240
16 Hexadecimal 7d5b450
20 Vigesimal 211aec0
36 Base36 269c9c

Cryptographic Hash Functions

md5 57ba954e83319bc027c93138d6a1ba29
sha1 f49c4d96b4cff804a59efb2e85abae363aa96cea
sha256 961e457a646ab7e00b72e16b543031da472d51e452ea78f0f2e16819f6d23428
sha512 072bb7aed6bd5e0fb256eb3932d740851ec93a231afc7d6a29098ef98122347d944b99eab478e1bcaf842d7204ed808e5bc751467ae7826bdd2d27d1a9377df2
ripemd-160 2e8a34270f0e579118577e28661ec5a3b5a3ff1a

131445840 as geometric shapes

Circle

Radius = n
Diameter 262891680
Circumference 825898570.57788
Area 5.4280465682204E+16

Sphere

Radius = n
Volume 9.5132552095847E+24
Surface area 2.1712186272882E+17
Circumference 825898570.57788

Square

Length = n
Perimeter 525783360
Area 17278008853305600
Diagonal 185892489.64552

Cube

Length = n
Surface area 103668053119833600
Volume 2.2711223872502E+24
Space diagonal 227670873.32357

Equilateral Triangle

Length = n
Perimeter 394337520
Area 7.4815972968875E+15
Altitude 113835436.66178

Triangular Pyramid

Length = n
Surface area 7.4815972968875E+15
Volume 2.6765434015487E+23
Height 61964163.215175