31191904 (number)

31191904 is an even 8-digits composite number following 31191903 and preceding 31191905. In scientific notation, it is written as 3.1191904 × 10^7. The sum of its digits is 28. It has a total of 6 prime factors and 12 positive divisors. There are 15595936 positive integers (up to 31191904) that are relatively prime to 31191904.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred ninety-one thousand nine hundred four

Notation

Scientific notation 3.1191904 × 10^7
Engineering notation 3.1191904 × 10^6

Prime Factorization of 31191904

Prime Factorization 2 × 2 × 2 × 2 × 2 × 974747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1949494
Product of the distinct prime numbers

The prime factorization of 31191904 is 2 × 2 × 2 × 2 × 2 × 974747. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 5, 73, 83, 662, 135, 9963, 5192, 2927, 10166, 475508, 135442, 2902628, 6638261, 87468635, 95886956, 878735781, 623965753, 2440035951, 1229831895

Basic calculations (n = 31191904)

Multiplication

n×y
n×2 62383808
n×3 93575712
n×4 124767616
n×5 155959520

Division

n÷y
n÷2 15595952
n÷3 10397301.333333
n÷3 7797976
n÷5 6238380.8

Exponentiation

ny
n2 972934875145216
n3 3.0347691223782E+22
n4 9.4660227127384E+29
n5 2.9526327171755E+37

Nth Root

y√n
2√n 5584.9712622358
3√n 314.78495106217
4√n 74.732665295946
5√n 31.536128540214

Divisors of 31191904

1, 2, 4, 8, 16, 32, 974747, 1949494, 3898988, 7797976, 15595952, 31191904

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31191903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31191904 can be divided by 12 positive divisors. The sum of these divisors (counting 31191904) is 1, the average is 0.083333333333333.

Base conversion 31191904

Base System Value
2 Binary 1110110111111001101100000
3 Ternary 2011200201020201
4 Quaternary 1312333031200
5 Quinary 30441120104
6 Senary 3032314544
8 Octal 166771540
10 Decimal 31191904
12 Duodecimal a542a54
16 Hexadecimal 1dbf360
20 Vigesimal 9eijf4
36 Base36 ikjts

Cryptographic Hash Functions

md5 c56ea8f40164927028226d4c3fd0fe46
sha1 56fa2d2f43953a466844c1964ee5b909c26d634c
sha256 e48bd29467295a18cd084725ba71298a69066284c555954567161ac4141d3ad5
sha512 cff17a6c1595572b447eeaa2eef4b5b026c4fc911de4743ced7827eed063d9fb54f82637a98d4213aa3ab97c45caa3f91b7d8f3def05e333c99844f43a3e0655
ripemd-160 34236f22b81f9461ab7ff927de625e4f3f023c34

31191904 as geometric shapes

Circle

Radius = n
Diameter 62383808
Circumference 195984512.91576
Area 3.0565650561775E+15

Sphere

Radius = n
Volume 1.2712011173606E+23
Surface area 1.222626022471E+16
Circumference 195984512.91576

Square

Length = n
Perimeter 124767616
Area 972934875145216
Diagonal 44112013.67304

Cube

Length = n
Surface area 5837609250871296
Volume 3.0347691223782E+22
Space diagonal 54025962.512811

Equilateral Triangle

Length = n
Perimeter 93575712
Area 4.212931590518E+14
Altitude 27012981.256405

Triangular Pyramid

Length = n
Surface area 4.212931590518E+14
Volume 3.5765097096152E+21
Height 14704004.55768