31808912 (number)

31808912 is an even 8-digits composite number following 31808911 and preceding 31808913. In scientific notation, it is written as 3.1808912 × 10^7. The sum of its digits is 32. It has a total of 5 prime factors and 10 positive divisors. There are 15904448 positive integers (up to 31808912) that are relatively prime to 31808912.

Interesting facts

Basic properties

Name

Name thirty-one million eight hundred eight thousand nine hundred twelve

Notation

Scientific notation 3.1808912 × 10^7
Engineering notation 3.1808912 × 10^6

Prime Factorization of 31808912

Prime Factorization 2 × 2 × 2 × 2 × 1988057

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 3976114
Product of the distinct prime numbers

The prime factorization of 31808912 is 2 × 2 × 2 × 2 × 1988057. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 2, 73, 85, 186, 635, 4580, 7708, 36555, 27664, 785555, 858209, 2243389, 2214468, 10316545, 86000157, 69127223, 628307123, 722548797, 4236717871

Basic calculations (n = 31808912)

Multiplication

n×y
n×2 63617824
n×3 95426736
n×4 127235648
n×5 159044560

Division

n÷y
n÷2 15904456
n÷3 10602970.666667
n÷3 7952228
n÷5 6361782.4

Exponentiation

ny
n2 1011806882623744
n3 3.2184476090373E+22
n4 1.0237531677248E+30
n5 3.2564474421879E+37

Nth Root

y√n
2√n 5639.9390067624
3√n 316.84700395988
4√n 75.099527340473
5√n 31.65991634043

Divisors of 31808912

1, 2, 4, 8, 16, 1988057, 3976114, 7952228, 15904456, 31808912

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31808911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31808912 can be divided by 10 positive divisors. The sum of these divisors (counting 31808912) is 1, the average is 0.1.

Base conversion 31808912

Base System Value
2 Binary 1111001010101110110010000
3 Ternary 2012212001121212
4 Quaternary 1321111312100
5 Quinary 31120341122
6 Senary 3053435252
8 Octal 171256620
10 Decimal 31808912
12 Duodecimal a79bb28
16 Hexadecimal 1e55d90
20 Vigesimal 9ig25c
36 Base36 ixrww

Cryptographic Hash Functions

md5 f45d9d1daaa4d6db703445f4db867499
sha1 bde2dd23ac0daa669a55db5260ec7e5f34585a88
sha256 1d70e91ed051e163c9211c16e4c9e2f7e1267bfaafce5229b613191fef2c1f34
sha512 fd82a0b8cf8b850d15da0791cf938664efa1f965e76e26bf85a6e01dcf5db2e6e95ae9a0bffb5ed4e393053393c535ed224242e6939e00d01000f9a55684d4bf
ripemd-160 a85fe16fc48edde74825b2257d7150faefa3e594

31808912 as geometric shapes

Circle

Radius = n
Diameter 63617824
Circumference 199861288.51577
Area 3.1786850693023E+15

Sphere

Radius = n
Volume 1.3481401819354E+23
Surface area 1.2714740277209E+16
Circumference 199861288.51577

Square

Length = n
Perimeter 127235648
Area 1011806882623744
Diagonal 44984594.754732

Cube

Length = n
Surface area 6070841295742464
Volume 3.2184476090373E+22
Space diagonal 55094651.717487

Equilateral Triangle

Length = n
Perimeter 95426736
Area 4.3812523203805E+14
Altitude 27547325.858744

Triangular Pyramid

Length = n
Surface area 4.3812523203805E+14
Volume 3.7929768820732E+21
Height 14994864.918244