31158021 (number)

31158021 is an odd 8-digits composite number following 31158020 and preceding 31158022. In scientific notation, it is written as 3.1158021 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 20662880 positive integers (up to 31158021) that are relatively prime to 31158021.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred fifty-eight thousand twenty-one

Notation

Scientific notation 3.1158021 × 10^7
Engineering notation 3.1158021 × 10^6

Prime Factorization of 31158021

Prime Factorization 3 × 191 × 54377

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31158021
Product of the distinct prime numbers

The prime factorization of 31158021 is 3 × 191 × 54377. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31158021)

Multiplication

n×y
n×2 62316042
n×3 93474063
n×4 124632084
n×5 155790105

Division

n÷y
n÷2 15579010.5
n÷3 10386007
n÷3 7789505.25
n÷5 6231604.2

Exponentiation

ny
n2 970822272636441
n3 3.0248900758074E+22
n4 9.4249588504698E+29
n5 2.9366306578708E+37

Nth Root

y√n
2√n 5581.9370293833
3√n 314.67092870935
4√n 74.712361958268
5√n 31.529274176742

Divisors of 31158021

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 -31158020
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 31158021 can be divided by 8 positive divisors. The sum of these divisors (counting 31158021) is 1, the average is 0.125.

Base conversion 31158021

Base System Value
2 Binary 1110110110110111100000101
3 Ternary 2011121222202210
4 Quaternary 1312312330011
5 Quinary 30434024041
6 Senary 3031454033
8 Octal 166667405
10 Decimal 31158021
12 Duodecimal a527319
16 Hexadecimal 1db6f05
20 Vigesimal 9eef11
36 Base36 ijtol

Cryptographic Hash Functions

md5 d7d2a349861937094eab57b886a56297
sha1 43ddb16ac1ca3f9f6094d60603ad491b9ed794e1
sha256 1a55bf85c1aa071e48445c41c73c2b87851ae0d6d6951a52bc5545168ea420fb
sha512 cb59742be38a351ec2b5b1fc3ad5815658270f4c182b82105268a0df0f5e2c087d77179cdc6fdf23c6a60aa7905fab10d6ada88a70412c947e14cb21d94ddc1b
ripemd-160 a3136b3f06063afd02ed5858246cff0140d6e012

31158021 as geometric shapes

Circle

Radius = n
Diameter 62316042
Circumference 195771619.74799
Area 3.049928119656E+15

Sphere

Radius = n
Volume 1.2670629920098E+23
Surface area 1.2199712478624E+16
Circumference 195771619.74799

Square

Length = n
Perimeter 124632084
Area 970822272636441
Diagonal 44064095.874906

Cube

Length = n
Surface area 5824933635818646
Volume 3.0248900758074E+22
Space diagonal 53967275.435298

Equilateral Triangle

Length = n
Perimeter 93474063
Area 4.2037837533145E+14
Altitude 26983637.717649

Triangular Pyramid

Length = n
Surface area 4.2037837533145E+14
Volume 3.5648671415788E+21
Height 14688031.958302