31287966 (number)

31287966 is an even 8-digits composite number following 31287965 and preceding 31287967. In scientific notation, it is written as 3.1287966 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 10401048 positive integers (up to 31287966) that are relatively prime to 31287966.

Interesting facts

Basic properties

Name

Name thirty-one million two hundred eighty-seven thousand nine hundred sixty-six

Notation

Scientific notation 3.1287966 × 10^7
Engineering notation 3.1287966 × 10^6

Prime Factorization of 31287966

Prime Factorization 2 × 3 × 379 × 13759

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31287966
Product of the distinct prime numbers

The prime factorization of 31287966 is 2 × 3 × 379 × 13759. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 15, 90, 230, 811, 3120, 3638, 84349, 11466, 610891, 564082, 8640490, 9196858, 1701256, 2582123, 490256130, 166485555, 6677286421, 1017096510

Basic calculations (n = 31287966)

Multiplication

n×y
n×2 62575932
n×3 93863898
n×4 125151864
n×5 156439830

Division

n÷y
n÷2 15643983
n÷3 10429322
n÷3 7821991.5
n÷5 6257593.2

Exponentiation

ny
n2 978936816417156
n3 3.0628941828208E+22
n4 9.5831729053696E+29
n5 2.9983798803532E+37

Nth Root

y√n
2√n 5593.5646952547
3√n 315.10776861828
4√n 74.790137687096
5√n 31.555529078015

Divisors of 31287966

1, 2, 3, 6, 379, 758, 1137, 2274, 13759, 27518, 41277, 82554, 5214661, 10429322, 15643983, 31287966

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 -31287965
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 31287966 can be divided by 16 positive divisors. The sum of these divisors (counting 31287966) is 1, the average is 0.0625.

Base conversion 31287966

Base System Value
2 Binary 1110111010110101010011110
3 Ternary 2011212121000120
4 Quaternary 1313112222132
5 Quinary 31002203331
6 Senary 3034335410
8 Octal 167265236
10 Decimal 31287966
12 Duodecimal a58a566
16 Hexadecimal 1dd6a9e
20 Vigesimal 9faji6
36 Base36 imly6

Cryptographic Hash Functions

md5 d76d27dccb8eb3de713081cbff495c82
sha1 f5f3146f503c1581043046bf9e54d21f1cb2d7a7
sha256 3d1ad2fce1f207fb119a3094f09a634c1e4c36bf9dfa144b889a8db3db99c4e3
sha512 33ca424583f6c4511e1b84f7b0bd566cfd57ea02aad35061e9ce38429a15842884357472b88b52718c03808de33d72cd3752ef2b5b2307fd7960b989958a9048
ripemd-160 44579b82edcd54a3a14e90c8b57654f0deeabc0a

31287966 as geometric shapes

Circle

Radius = n
Diameter 62575932
Circumference 196588088.26273
Area 3.0754207107847E+15

Sphere

Radius = n
Volume 1.2829821151297E+23
Surface area 1.2301682843139E+16
Circumference 196588088.26273

Square

Length = n
Perimeter 125151864
Area 978936816417156
Diagonal 44247865.856268

Cube

Length = n
Surface area 5873620898502936
Volume 3.0628941828208E+22
Space diagonal 54192346.777488

Equilateral Triangle

Length = n
Perimeter 93863898
Area 4.2389207585856E+14
Altitude 27096173.388744

Triangular Pyramid

Length = n
Surface area 4.2389207585856E+14
Volume 3.6096554112157E+21
Height 14749288.618756