31389738 (number)

31389738 is an even 8-digits composite number following 31389737 and preceding 31389739. In scientific notation, it is written as 3.1389738 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 10463244 positive integers (up to 31389738) that are relatively prime to 31389738.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1389738 × 10^7
Engineering notation 3.1389738 × 10^6

Prime Factorization of 31389738

Prime Factorization 2 × 3 × 5231623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31389738
Product of the distinct prime numbers

The prime factorization of 31389738 is 2 × 3 × 5231623. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 3, 58, 91, 61, 370, 9433, 8757, 35774, 11475, 640386, 652322, 723566, 1650694, 19483467, 44188400, 149613949, 404210397, 6937384344, 5072994898

Basic calculations (n = 31389738)

Multiplication

n×y
n×2 62779476
n×3 94169214
n×4 125558952
n×5 156948690

Division

n÷y
n÷2 15694869
n÷3 10463246
n÷3 7847434.5
n÷5 6277947.6

Exponentiation

ny
n2 985315651708644
n3 3.0928800154434E+22
n4 9.7084693350203E+29
n5 3.0474630880732E+37

Nth Root

y√n
2√n 5602.6545494078
3√n 315.44905467407
4√n 74.850882088375
5√n 31.576030883701

Divisors of 31389738

1, 2, 3, 6, 5231623, 10463246, 15694869, 31389738

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 -31389737
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 31389738 can be divided by 8 positive divisors. The sum of these divisors (counting 31389738) is 1, the average is 0.125.

Base conversion 31389738

Base System Value
2 Binary 1110111101111100000101010
3 Ternary 2012001202121220
4 Quaternary 1313233200222
5 Quinary 31013432423
6 Senary 3040442510
8 Octal 167574052
10 Decimal 31389738
12 Duodecimal a619436
16 Hexadecimal 1def82a
20 Vigesimal 9g3e6i
36 Base36 iosh6

Cryptographic Hash Functions

md5 1a5f04f04fb75c49e30e6ada166db8a8
sha1 53ebda836e531a28d6ef6064973edc9eac5ce878
sha256 9421b0026c1274799e5e9e199d22715f5793f2a8804b3354cebc838dec20f668
sha512 644bc334fb3babe375e545fd035675af2d5229b22df438fe94792cace92152e588ddb7ae0ebcbfcc99baebb76b6c24bef5ff0053142019b137c75e9c9e23039a
ripemd-160 adf63791daf87f839e991a69d42fa31848030552

31389738 as geometric shapes

Circle

Radius = n
Diameter 62779476
Circumference 197227540.59782
Area 3.0954604128749E+15

Sphere

Radius = n
Volume 1.2955425513269E+23
Surface area 1.23818416515E+16
Circumference 197227540.59782

Square

Length = n
Perimeter 125558952
Area 985315651708644
Diagonal 44391793.198938

Cube

Length = n
Surface area 5911893910251864
Volume 3.0928800154434E+22
Space diagonal 54368621.052275

Equilateral Triangle

Length = n
Perimeter 94169214
Area 4.2665419256305E+14
Altitude 27184310.526138

Triangular Pyramid

Length = n
Surface area 4.2665419256305E+14
Volume 3.6449940538606E+21
Height 14797264.399646