131291285 (number)

131291285 is an odd 9-digits composite number following 131291284 and preceding 131291286. In scientific notation, it is written as 1.31291285 × 10^8. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 103311936 positive integers (up to 131291285) that are relatively prime to 131291285.

Interesting facts

Basic properties

Name

Name one hundred thirty-one million two hundred ninety-one thousand two hundred eighty-five

Notation

Scientific notation 1.31291285 × 10^8
Engineering notation 1.31291285 × 10^6

Prime Factorization of 131291285

Prime Factorization 5 × 79 × 379 × 877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 131291285
Product of the distinct prime numbers

The prime factorization of 131291285 is 5 × 79 × 379 × 877. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 93, 47, 898, 286, 5339, 4491, 28719, 4267, 562115, 473691, 9898538, 6937360, 56978566, 52402327, 764437677, 863381235, 619309674, 7429532445

Basic calculations (n = 131291285)

Multiplication

n×y
n×2 262582570
n×3 393873855
n×4 525165140
n×5 656456425

Division

n÷y
n÷2 65645642.5
n÷3 43763761.666667
n÷3 32822821.25
n÷5 26258257

Exponentiation

ny
n2 17237401516951225
n3 2.2631205952215E+24
n4 2.9712801105659E+32
n5 3.9010318381114E+40

Nth Root

y√n
2√n 11458.240920839
3√n 508.25145780377
4√n 107.04317316317
5√n 42.038496948149

Divisors of 131291285

1, 5, 79, 379, 395, 877, 1895, 4385, 29941, 69283, 149705, 332383, 346415, 1661915, 26258257, 131291285

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -131291284
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131291285 can be divided by 16 positive divisors. The sum of these divisors (counting 131291285) is 1, the average is 0.0625.

Base conversion 131291285

Base System Value
2 Binary 111110100110101100010010101
3 Ternary 100011001021210012
4 Quaternary 13310311202111
5 Quinary 232102310120
6 Senary 21010010005
8 Octal 764654225
10 Decimal 131291285
12 Duodecimal 37b76905
16 Hexadecimal 7d35895
20 Vigesimal 210b845
36 Base36 266105

Cryptographic Hash Functions

md5 44a3233b80c0ea418448b9cd63252e54
sha1 913a68a6369a0c518f82299d8ed690b1479dc866
sha256 b71681080d43790b1cdf691343938ad082f97aa9250cc64178e5ff8bc9ca3e08
sha512 d2cb15523f876761caf664e74eb7c87c7cc1fe5d015f43eeb329119cfa865e2fb500aebb15fcd5fb0fb6d8e6c647595b26a9d2168a141e8f75a968e96921dc21
ripemd-160 5c288237f5b4d5d5ac45e347632ba19bb21a15cd

131291285 as geometric shapes

Circle

Radius = n
Diameter 262582570
Circumference 824927472.87273
Area 5.4152893972632E+16

Sphere

Radius = n
Volume 9.4797373815141E+24
Surface area 2.1661157589053E+17
Circumference 824927472.87273

Square

Length = n
Perimeter 525165140
Area 17237401516951225
Diagonal 185673915.86839

Cube

Length = n
Surface area 103424409101707350
Volume 2.2631205952215E+24
Space diagonal 227403176.21101

Equilateral Triangle

Length = n
Perimeter 393873855
Area 7.4640138044561E+15
Altitude 113701588.1055

Triangular Pyramid

Length = n
Surface area 7.4640138044561E+15
Volume 2.6671131992067E+23
Height 61891305.289464