131291284 (number)

131291284 is an even 9-digits composite number following 131291283 and preceding 131291285. In scientific notation, it is written as 1.31291284 × 10^8. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 64118304 positive integers (up to 131291284) that are relatively prime to 131291284.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.31291284 × 10^8
Engineering notation 1.31291284 × 10^6

Prime Factorization of 131291284

Prime Factorization 2 × 2 × 59 × 163 × 3413

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 65645642
Product of the distinct prime numbers

The prime factorization of 131291284 is 2 × 2 × 59 × 163 × 3413. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 131291284)

Multiplication

n×y
n×2 262582568
n×3 393873852
n×4 525165136
n×5 656456420

Division

n÷y
n÷2 65645642
n÷3 43763761.333333
n÷3 32822821
n÷5 26258256.8

Exponentiation

ny
n2 17237401254368656
n3 2.2631205435093E+24
n4 2.9712800200411E+32
n5 3.9010316895474E+40

Nth Root

y√n
2√n 11458.240877203
3√n 508.25145651338
4√n 107.04317295934
5√n 42.03849688411

Divisors of 131291284

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 -131291283
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 131291284 can be divided by 24 positive divisors. The sum of these divisors (counting 131291284) is 1, the average is 0.041666666666667.

Base conversion 131291284

Base System Value
2 Binary 111110100110101100010010100
3 Ternary 100011001021210011
4 Quaternary 13310311202110
5 Quinary 232102310114
6 Senary 21010010004
8 Octal 764654224
10 Decimal 131291284
12 Duodecimal 37b76904
16 Hexadecimal 7d35894
20 Vigesimal 210b844
36 Base36 266104

Cryptographic Hash Functions

md5 0866dd5ece855f08873bfd4e4b20ce92
sha1 3efcb97c15bb3b155a71ae1dec2ceca4bb0c0abd
sha256 562fbedb2932bf1b8bfd384d24f60af098f7308d8cfb393383cba8c017c3b079
sha512 3fb7b600984e119b36b4950cde219932b427f7d5ee48f91be7fed646d2a4689ea6923d98b4461ab549f03242c3d98f9fc3a27a9876c865ef55e3ae3e33d37ab7
ripemd-160 b87559dbd3d9b55d0986fbe0759eeab1755ba963

131291284 as geometric shapes

Circle

Radius = n
Diameter 262582568
Circumference 824927466.58954
Area 5.4152893147704E+16

Sphere

Radius = n
Volume 9.4797371649025E+24
Surface area 2.1661157259082E+17
Circumference 824927466.58954

Square

Length = n
Perimeter 525165136
Area 17237401254368656
Diagonal 185673914.45418

Cube

Length = n
Surface area 103424407526211936
Volume 2.2631205435093E+24
Space diagonal 227403174.47895

Equilateral Triangle

Length = n
Perimeter 393873852
Area 7.4640136907545E+15
Altitude 113701587.23948

Triangular Pyramid

Length = n
Surface area 7.4640136907545E+15
Volume 2.6671131382633E+23
Height 61891304.818059