31479945 (number)

31479945 is an odd 8-digits composite number following 31479944 and preceding 31479946. In scientific notation, it is written as 3.1479945 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 14299392 positive integers (up to 31479945) that are relatively prime to 31479945.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred seventy-nine thousand nine hundred forty-five

Notation

Scientific notation 3.1479945 × 10^7
Engineering notation 3.1479945 × 10^6

Prime Factorization of 31479945

Prime Factorization 3 × 35 × 173 × 1733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31479945
Product of the distinct prime numbers

The prime factorization of 31479945 is 3 × 35 × 173 × 1733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 8, 82, 23, 687, 25, 606, 4337, 90906, 19386, 380145, 439488, 2075578, 6745059, 43164729, 73486812, 313807137, 973593106, 5860439500, 2640191663

Basic calculations (n = 31479945)

Multiplication

n×y
n×2 62959890
n×3 94439835
n×4 125919780
n×5 157399725

Division

n÷y
n÷2 15739972.5
n÷3 10493315
n÷3 7869986.25
n÷5 6295989

Exponentiation

ny
n2 990986937203025
n3 3.119621427887E+22
n4 9.8205510970703E+29
n5 3.0915040840546E+37

Nth Root

y√n
2√n 5610.6991542944
3√n 315.75094206038
4√n 74.904600354681
5√n 31.594158530473

Divisors of 31479945

1, 3, 35, 105, 173, 519, 1733, 5199, 6055, 18165, 60655, 181965, 299809, 899427, 10493315, 31479945

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 -31479944
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 31479945 can be divided by 16 positive divisors. The sum of these divisors (counting 31479945) is 1, the average is 0.0625.

Base conversion 31479945

Base System Value
2 Binary 1111000000101100010001001
3 Ternary 2012020100100220
4 Quaternary 1320011202021
5 Quinary 31024324240
6 Senary 3042420253
8 Octal 170054211
10 Decimal 31479945
12 Duodecimal a661689
16 Hexadecimal 1e05889
20 Vigesimal 9gejh5
36 Base36 iqq2x

Cryptographic Hash Functions

md5 a579b1bdd895aafddd27331f5ef537b5
sha1 ddcc70e4daa48eee5482dd84e4104ed383f37cc8
sha256 6b3d82e211caccfeb5331253d1ede1e2f324ad00aa34f1c561807bc0f2371f2c
sha512 04b3242f8411f369578c5ca29dd1a52e43a69f6896dfcf90461ee8560f9541ed980b9474c237ca74d86776367f190e79001b3cb43126f74fcc24be12519fe78a
ripemd-160 48d0d820bbe6c1b2f97e833e1e4b14ea0ed85224

31479945 as geometric shapes

Circle

Radius = n
Diameter 62959890
Circumference 197794327.89482
Area 3.1132772817205E+15

Sphere

Radius = n
Volume 1.3067439679775E+23
Surface area 1.2453109126882E+16
Circumference 197794327.89482

Square

Length = n
Perimeter 125919780
Area 990986937203025
Diagonal 44519365.161759

Cube

Length = n
Surface area 5945921623218150
Volume 3.119621427887E+22
Space diagonal 54524864.159474

Equilateral Triangle

Length = n
Perimeter 94439835
Area 4.2910993121818E+14
Altitude 27262432.079737

Triangular Pyramid

Length = n
Surface area 4.2910993121818E+14
Volume 3.6765091106562E+21
Height 14839788.387253