31381888 (number)

31381888 is an even 8-digits composite number following 31381887 and preceding 31381889. In scientific notation, it is written as 3.1381888 × 10^7. The sum of its digits is 40. It has a total of 8 prime factors and 16 positive divisors. There are 15690880 positive integers (up to 31381888) that are relatively prime to 31381888.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1381888 × 10^7
Engineering notation 3.1381888 × 10^6

Prime Factorization of 31381888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 245171

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 490342
Product of the distinct prime numbers

The prime factorization of 31381888 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 245171. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 1, 9, 42, 242, 349, 1969, 5859, 81181, 41347, 265191, 818958, 1672428, 52233, 93428635, 35562252, 663744181, 930573649, 6947536147, 6717145269

Basic calculations (n = 31381888)

Multiplication

n×y
n×2 62763776
n×3 94145664
n×4 125527552
n×5 156909440

Division

n÷y
n÷2 15690944
n÷3 10460629.333333
n÷3 7845472
n÷5 6276377.6

Exponentiation

ny
n2 984822894444544
n3 3.0905601773295E+22
n4 9.6987613342213E+29
n5 3.0436544192926E+37

Nth Root

y√n
2√n 5601.9539448303
3√n 315.42275646655
4√n 74.846201939914
5√n 31.574451408005

Divisors of 31381888

1, 2, 4, 8, 16, 32, 64, 128, 245171, 490342, 980684, 1961368, 3922736, 7845472, 15690944, 31381888

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 -31381887
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 31381888 can be divided by 16 positive divisors. The sum of these divisors (counting 31381888) is 1, the average is 0.0625.

Base conversion 31381888

Base System Value
2 Binary 1110111101101100110000000
3 Ternary 2012001100212011
4 Quaternary 1313231212000
5 Quinary 31013210023
6 Senary 3040342304
8 Octal 167554600
10 Decimal 31381888
12 Duodecimal a614994
16 Hexadecimal 1ded980
20 Vigesimal 9g2ee8
36 Base36 iomf4

Cryptographic Hash Functions

md5 b362550b3cbb53ac6990eb4f61622e12
sha1 ba21c7c98a012dd838d855e36782b38227c4136f
sha256 7c89791d8c522521a00bc556dd88f93bb0130ed1184f669801c143bf37e00dcd
sha512 9c0e07516ef0463ec75430575968e8fbe7e59876ab8befa9fba9ba5d97f27a83e3103f069eba0c58d2e827b6743af4f3a5e9fb808059938e9f18c3bdce1b7669
ripemd-160 9883dd9c4de0c4e7c25de12fcfc388ccc077b6cb

31381888 as geometric shapes

Circle

Radius = n
Diameter 62763776
Circumference 197178217.59316
Area 3.093912370274E+15

Sphere

Radius = n
Volume 1.29457081981E+23
Surface area 1.2375649481096E+16
Circumference 197178217.59316

Square

Length = n
Perimeter 125527552
Area 984822894444544
Diagonal 44380691.622473

Cube

Length = n
Surface area 5908937366667264
Volume 3.0905601773295E+22
Space diagonal 54355024.453436

Equilateral Triangle

Length = n
Perimeter 94145664
Area 4.2644082240875E+14
Altitude 27177512.226718

Triangular Pyramid

Length = n
Surface area 4.2644082240875E+14
Volume 3.6422600984246E+21
Height 14793563.874158