131291286 (number)

131291286 is an even 9-digits composite number following 131291285 and preceding 131291287. In scientific notation, it is written as 1.31291286 × 10^8. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 37511712 positive integers (up to 131291286) that are relatively prime to 131291286.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.31291286 × 10^8
Engineering notation 1.31291286 × 10^6

Prime Factorization of 131291286

Prime Factorization 2 × 3 × 7 × 7 × 446569

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 18755898
Product of the distinct prime numbers

The prime factorization of 131291286 is 2 × 3 × 7 × 7 × 446569. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 131291286)

Multiplication

n×y
n×2 262582572
n×3 393873858
n×4 525165144
n×5 656456430

Division

n÷y
n÷2 65645643
n÷3 43763762
n÷3 32822821.5
n÷5 26258257.2

Exponentiation

ny
n2 17237401779533796
n3 2.2631206469337E+24
n4 2.9712802010907E+32
n5 3.9010319866754E+40

Nth Root

y√n
2√n 11458.240964476
3√n 508.25145909416
4√n 107.04317336699
5√n 42.038497012188

Divisors of 131291286

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -131291285
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 131291286 can be divided by 24 positive divisors. The sum of these divisors (counting 131291286) is 1, the average is 0.041666666666667.

Base conversion 131291286

Base System Value
2 Binary 111110100110101100010010110
3 Ternary 100011001021210020
4 Quaternary 13310311202112
5 Quinary 232102310121
6 Senary 21010010010
8 Octal 764654226
10 Decimal 131291286
12 Duodecimal 37b76906
16 Hexadecimal 7d35896
20 Vigesimal 210b846
36 Base36 266106

Cryptographic Hash Functions

md5 d75999b855b65820271f3562f911128a
sha1 6cbe6517e8ac03e4453f2bc6fd7dc95857ea347b
sha256 30979b57ddbd0ad4852eeb11692f36dca23c7ec0814bf0f687211c4ea601ba30
sha512 ffdca650f16e313bb6bb0c809a57c18ae352ad9a5d8b82d5a460bb384d268ccbd10d2ed977ce6bc8ae432269cef5dd6b34f7b9c04e013bd44370ca39263dd31c
ripemd-160 49b9572045c3cca39d65440f9c7f94fdaa9c88e4

131291286 as geometric shapes

Circle

Radius = n
Diameter 262582572
Circumference 824927479.15591
Area 5.4152894797559E+16

Sphere

Radius = n
Volume 9.4797375981256E+24
Surface area 2.1661157919024E+17
Circumference 824927479.15591

Square

Length = n
Perimeter 525165144
Area 17237401779533796
Diagonal 185673917.2826

Cube

Length = n
Surface area 103424410677202776
Volume 2.2631206469337E+24
Space diagonal 227403177.94306

Equilateral Triangle

Length = n
Perimeter 393873858
Area 7.4640139181577E+15
Altitude 113701588.97153

Triangular Pyramid

Length = n
Surface area 7.4640139181577E+15
Volume 2.6671132601502E+23
Height 61891305.760868