31381930 (number)

31381930 is an even 8-digits composite number following 31381929 and preceding 31381931. In scientific notation, it is written as 3.1381930 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 12552768 positive integers (up to 31381930) that are relatively prime to 31381930.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1381930 × 10^7
Engineering notation 3.1381930 × 10^6

Prime Factorization of 31381930

Prime Factorization 2 × 5 × 3138193

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31381930
Product of the distinct prime numbers

The prime factorization of 31381930 is 2 × 5 × 3138193. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31381930)

Multiplication

n×y
n×2 62763860
n×3 94145790
n×4 125527720
n×5 156909650

Division

n÷y
n÷2 15690965
n÷3 10460643.333333
n÷3 7845482.5
n÷5 6276386

Exponentiation

ny
n2 984825530524900
n3 3.0905725861145E+22
n4 9.6988132557365E+29
n5 3.043674786746E+37

Nth Root

y√n
2√n 5601.9576935211
3√n 315.422897182
4√n 74.846226982535
5√n 31.574459859544

Divisors of 31381930

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31381929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31381930 can be divided by 8 positive divisors. The sum of these divisors (counting 31381930) is 1, the average is 0.125.

Base conversion 31381930

Base System Value
2 Binary 1110111101101100110101010
3 Ternary 2012001100220201
4 Quaternary 1313231212222
5 Quinary 31013210210
6 Senary 3040342414
8 Octal 167554652
10 Decimal 31381930
12 Duodecimal a614a0a
16 Hexadecimal 1ded9aa
20 Vigesimal 9g2ega
36 Base36 iomga

Cryptographic Hash Functions

md5 aadbc9fba307beab0753111573519c88
sha1 2038d428efe4dd4d65cf3455783d1e1b25adee76
sha256 2a3fa58e78aefd3ae1e8cbb50e9ca2094bb11dbb6889af2805728888779391af
sha512 1c77ec3c001d6e2249fd9f8888730e87bbf936a1f1a65fc8ed13799d3dd6e0291665032ecb743b2f4d3ba52618d9e3a56736de33b1e407797594eaf06e5db1f7
ripemd-160 74d65577de7d8ed2f742f2284727d00fbd7aafef

31381930 as geometric shapes

Circle

Radius = n
Diameter 62763860
Circumference 197178481.48694
Area 3.0939206517647E+15

Sphere

Radius = n
Volume 1.2945760175898E+23
Surface area 1.2375682607059E+16
Circumference 197178481.48694

Square

Length = n
Perimeter 125527720
Area 984825530524900
Diagonal 44380751.019443

Cube

Length = n
Surface area 5908953183149400
Volume 3.0905725861145E+22
Space diagonal 54355097.19957

Equilateral Triangle

Length = n
Perimeter 94145790
Area 4.2644196386503E+14
Altitude 27177548.599785

Triangular Pyramid

Length = n
Surface area 4.2644196386503E+14
Volume 3.642274722318E+21
Height 14793583.673148