31389730 (number)

31389730 is an even 8-digits composite number following 31389729 and preceding 31389731. In scientific notation, it is written as 3.1389730 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 12525040 positive integers (up to 31389730) that are relatively prime to 31389730.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-nine thousand seven hundred thirty

Notation

Scientific notation 3.1389730 × 10^7
Engineering notation 3.1389730 × 10^6

Prime Factorization of 31389730

Prime Factorization 2 × 5 × 431 × 7283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31389730
Product of the distinct prime numbers

The prime factorization of 31389730 is 2 × 5 × 431 × 7283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 72, 86, 26, 579, 5348, 7443, 74308, 89547, 928082, 483567, 8780386, 3778281, 80893501, 210027, 566675007, 947663322, 7335550179, 4830501459

Basic calculations (n = 31389730)

Multiplication

n×y
n×2 62779460
n×3 94169190
n×4 125558920
n×5 156948650

Division

n÷y
n÷2 15694865
n÷3 10463243.333333
n÷3 7847432.5
n÷5 6277946

Exponentiation

ny
n2 985315149472900
n3 3.0928776506864E+22
n4 9.708459437808E+29
n5 3.0474592046875E+37

Nth Root

y√n
2√n 5602.6538354605
3√n 315.44902787558
4√n 74.850877319244
5√n 31.576029274205

Divisors of 31389730

1, 2, 5, 10, 431, 862, 2155, 4310, 7283, 14566, 36415, 72830, 3138973, 6277946, 15694865, 31389730

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 -31389729
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 31389730 can be divided by 16 positive divisors. The sum of these divisors (counting 31389730) is 1, the average is 0.0625.

Base conversion 31389730

Base System Value
2 Binary 1110111101111100000100010
3 Ternary 2012001202121121
4 Quaternary 1313233200202
5 Quinary 31013432410
6 Senary 3040442454
8 Octal 167574042
10 Decimal 31389730
12 Duodecimal a61942a
16 Hexadecimal 1def822
20 Vigesimal 9g3e6a
36 Base36 iosgy

Cryptographic Hash Functions

md5 e56b5594187b91d4e146681076faf68e
sha1 c54f1246f959e9d9e70665c72eebcbed1b5e8d05
sha256 4c0cd96473d0027af31422c212815daf606b62cf7fd750c1b6f8f8ffd4fe93e1
sha512 fcfbef07ef3c72be1c7c5938e066683752f01081e8ebac78f397bb6aecc5c55bb11fc95257c505144111c2a6f40a9faba270731afab29ffc20087fc92b99df12
ripemd-160 b1e48cbd84962afb2e7ac8f22717a51e12502145

31389730 as geometric shapes

Circle

Radius = n
Diameter 62779460
Circumference 197227490.33233
Area 3.0954588350548E+15

Sphere

Radius = n
Volume 1.2955415607798E+23
Surface area 1.2381835340219E+16
Circumference 197227490.33233

Square

Length = n
Perimeter 125558920
Area 985315149472900
Diagonal 44391781.88523

Cube

Length = n
Surface area 5911890896837400
Volume 3.0928776506864E+22
Space diagonal 54368607.195869

Equilateral Triangle

Length = n
Perimeter 94169190
Area 4.266539750886E+14
Altitude 27184303.597935

Triangular Pyramid

Length = n
Surface area 4.266539750886E+14
Volume 3.6449912669678E+21
Height 14797260.62841