31781164 (number)

31781164 is an even 8-digits composite number following 31781163 and preceding 31781165. In scientific notation, it is written as 3.1781164 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors. There are 15890580 positive integers (up to 31781164) that are relatively prime to 31781164.

Interesting facts

Basic properties

Name

Name thirty-one million seven hundred eighty-one thousand one hundred sixty-four

Notation

Scientific notation 3.1781164 × 10^7
Engineering notation 3.1781164 × 10^6

Prime Factorization of 31781164

Prime Factorization 2 × 2 × 7945291

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15890582
Product of the distinct prime numbers

The prime factorization of 31781164 is 2 × 2 × 7945291. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31781164)

Multiplication

n×y
n×2 63562328
n×3 95343492
n×4 127124656
n×5 158905820

Division

n÷y
n÷2 15890582
n÷3 10593721.333333
n÷3 7945291
n÷5 6356232.8

Exponentiation

ny
n2 1010042385194896
n3 3.210032269083E+22
n4 1.0201856198902E+30
n5 3.2422686496172E+37

Nth Root

y√n
2√n 5637.4785143715
3√n 316.75484500363
4√n 75.083144009634
5√n 31.654390806849

Divisors of 31781164

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31781163
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31781164 can be divided by 6 positive divisors. The sum of these divisors (counting 31781164) is 1, the average is 0.16666666666667.

Base conversion 31781164

Base System Value
2 Binary 1111001001111000100101100
3 Ternary 2012210122120011
4 Quaternary 1321033010230
5 Quinary 31113444124
6 Senary 3053103004
8 Octal 171170454
10 Decimal 31781164
12 Duodecimal a787a64
16 Hexadecimal 1e4f12c
20 Vigesimal 9icci4
36 Base36 ix6i4

Cryptographic Hash Functions

md5 4d7d5cbcdd2f048c9de6fa4260a30ae2
sha1 66b11c93b5d7d0d75a32a0297b21a73bb60ed939
sha256 e7dc92e25a959a954bc072c4de5c07e7e0d5d234e23a9db012826265e2bb6455
sha512 6c9cb4f3c116997b0557ceccd16d51d841fb05209c247915ae5f2e6a191b39b8f73550938875b25fd23d5c3afe4547b5e7abdc6314a9e2b3c1526fb1c2e7f49e
ripemd-160 94027ed3601195e0c2255aef7e1dc23476803fc3

31781164 as geometric shapes

Circle

Radius = n
Diameter 63562328
Circumference 199686942.68986
Area 3.1731417371426E+15

Sphere

Radius = n
Volume 1.3446151725783E+23
Surface area 1.269256694857E+16
Circumference 199686942.68986

Square

Length = n
Perimeter 127124656
Area 1010042385194896
Diagonal 44945353.156804

Cube

Length = n
Surface area 6060254311169376
Volume 3.210032269083E+22
Space diagonal 55046590.771679

Equilateral Triangle

Length = n
Perimeter 95343492
Area 4.373611822389E+14
Altitude 27523295.385839

Triangular Pyramid

Length = n
Surface area 4.373611822389E+14
Volume 3.7830593088271E+21
Height 14981784.385601