31490745 (number)

31490745 is an odd 8-digits composite number following 31490744 and preceding 31490746. In scientific notation, it is written as 3.1490745 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 13777920 positive integers (up to 31490745) that are relatively prime to 31490745.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred ninety thousand seven hundred forty-five

Notation

Scientific notation 3.1490745 × 10^7
Engineering notation 3.1490745 × 10^6

Prime Factorization of 31490745

Prime Factorization 3 × 13 × 55 × 53 × 277

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 31490745
Product of the distinct prime numbers

The prime factorization of 31490745 is 3 × 13 × 55 × 53 × 277. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31490745)

Multiplication

n×y
n×2 62981490
n×3 94472235
n×4 125962980
n×5 157453725

Division

n÷y
n÷2 15745372.5
n÷3 10496915
n÷3 7872686.25
n÷5 6298149

Exponentiation

ny
n2 991667020655025
n3 3.1228333272357E+22
n4 9.8340347985481E+29
n5 3.0968108216221E+37

Nth Root

y√n
2√n 5611.6615186592
3√n 315.78704674304
4√n 74.911024012886
5√n 31.596326069816

Divisors of 31490745

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31490744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31490745 can be divided by 32 positive divisors. The sum of these divisors (counting 31490745) is 1, the average is 0.03125.

Base conversion 31490745

Base System Value
2 Binary 1111000001000001010111001
3 Ternary 2012020220011220
4 Quaternary 1320020022321
5 Quinary 31030200440
6 Senary 3042542253
8 Octal 170101271
10 Decimal 31490745
12 Duodecimal a667989
16 Hexadecimal 1e082b9
20 Vigesimal 9gg6h5
36 Base36 iqyex

Cryptographic Hash Functions

md5 7cdfa9f74bbec1d7e57d577966124bc3
sha1 d9dd85a60c346f9f226b6d3d5dee8702fbb94c0b
sha256 d83f154335dde4b776a5c61eadaf078e861e03bde57c138ba7af14719634cd01
sha512 dc5778c858fcc9173bb29a20a55293ad89983c8e8dd0626ef50a384af40557ca9db807b21d6f3283b05a28a5c7fd89f9ab0f1b66a1dcd4a141b9b5cd4a95aa94
ripemd-160 32ef0bb0556cc34cfbe9226246c800fdbd0423ea

31490745 as geometric shapes

Circle

Radius = n
Diameter 62981490
Circumference 197862186.29614
Area 3.1154138268971E+15

Sphere

Radius = n
Volume 1.3080893652305E+23
Surface area 1.2461655307588E+16
Circumference 197862186.29614

Square

Length = n
Perimeter 125962980
Area 991667020655025
Diagonal 44534638.668233

Cube

Length = n
Surface area 5950002123930150
Volume 3.1228333272357E+22
Space diagonal 54543570.308196

Equilateral Triangle

Length = n
Perimeter 94472235
Area 4.2940441599124E+14
Altitude 27271785.154098

Triangular Pyramid

Length = n
Surface area 4.2940441599124E+14
Volume 3.6802943703395E+21
Height 14844879.556078