31902021 (number)

31902021 is an odd 8-digits composite number following 31902020 and preceding 31902022. In scientific notation, it is written as 3.1902021 × 10^7. The sum of its digits is 18. It has a total of 2 prime factors and 4 positive divisors. There are 21268008 positive integers (up to 31902021) that are relatively prime to 31902021.

Interesting facts

Basic properties

Name

Name thirty-one million nine hundred two thousand twenty-one

Notation

Scientific notation 3.1902021 × 10^7
Engineering notation 3.1902021 × 10^6

Prime Factorization of 31902021

Prime Factorization 9 × 3544669

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31902021
Product of the distinct prime numbers

The prime factorization of 31902021 is 9 × 3544669. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31902021)

Multiplication

n×y
n×2 63804042
n×3 95706063
n×4 127608084
n×5 159510105

Division

n÷y
n÷2 15951010.5
n÷3 10634007
n÷3 7975505.25
n÷5 6380404.2

Exponentiation

ny
n2 1017738943884441
n3 3.2467929160319E+22
n4 1.035792557899E+30
n5 3.3043875933738E+37

Nth Root

y√n
2√n 5648.1874083639
3√n 317.15585419273
4√n 75.154423744473
5√n 31.67842925108

Divisors of 31902021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31902020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31902021 can be divided by 4 positive divisors. The sum of these divisors (counting 31902021) is 1, the average is 0.25.

Base conversion 31902021

Base System Value
2 Binary 1111001101100100101000101
3 Ternary 2020000210100100
4 Quaternary 1321230211011
5 Quinary 31131331041
6 Senary 3055434313
8 Octal 171544505
10 Decimal 31902021
12 Duodecimal a825999
16 Hexadecimal 1e6c945
20 Vigesimal 9j7f11
36 Base36 izrr9

Cryptographic Hash Functions

md5 fc7d052573ddfc5a0026889cdfd20b92
sha1 015503dabdefa9686bf3a8a7583681e8453af0fd
sha256 51312ddff8e2d7ddfb0033c317d1f02907cee901fda7a3cc492e076caef0e7ff
sha512 b6825398ec09cb1aefeec83a101d00bd5dbce3b9e0be2853d7c4dca8744e726457a025d70ead85ce52676e6cb9249ee06d1d9f2c7b2a6c870ae338457a39788a
ripemd-160 eb5f902470fc36dbd8d63cfeeba6404544ddb557

31902021 as geometric shapes

Circle

Radius = n
Diameter 63804042
Circumference 200446309.61653
Area 3.1973211893796E+15

Sphere

Radius = n
Volume 1.3600134363644E+23
Surface area 1.2789284757518E+16
Circumference 200446309.61653

Square

Length = n
Perimeter 127608084
Area 1017738943884441
Diagonal 45116270.765311

Cube

Length = n
Surface area 6106433663306646
Volume 3.2467929160319E+22
Space diagonal 55255921.236129

Equilateral Triangle

Length = n
Perimeter 95706063
Area 4.4069388991234E+14
Altitude 27627960.618065

Triangular Pyramid

Length = n
Surface area 4.4069388991234E+14
Volume 3.8263821467244E+21
Height 15038756.92177