21031371 (number)

21031371 is an odd 8-digits composite number following 21031370 and preceding 21031372. In scientific notation, it is written as 2.1031371 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 13990320 positive integers (up to 21031371) that are relatively prime to 21031371.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand three hundred seventy-one

Notation

Scientific notation 2.1031371 × 10^7
Engineering notation 2.1031371 × 10^6

Prime Factorization of 21031371

Prime Factorization 9 × 509 × 4591

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031371
Product of the distinct prime numbers

The prime factorization of 21031371 is 9 × 509 × 4591. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031371)

Multiplication

n×y
n×2 42062742
n×3 63094113
n×4 84125484
n×5 105156855

Division

n÷y
n÷2 10515685.5
n÷3 7010457
n÷3 5257842.75
n÷5 4206274.2

Exponentiation

ny
n2 442318566139641
n3 9.3025658646708E+21
n4 1.9564571395183E+29
n5 4.1146975946808E+36

Nth Root

y√n
2√n 4585.9972743123
3√n 276.02973057174
4√n 67.719991688661
5√n 29.14563467221

Divisors of 21031371

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 -21031370
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 21031371 can be divided by 8 positive divisors. The sum of these divisors (counting 21031371) is 1, the average is 0.125.

Base conversion 21031371

Base System Value
2 Binary 1010000001110100111001011
3 Ternary 1110120111121200
4 Quaternary 1100032213023
5 Quinary 20341000441
6 Senary 2030435243
8 Octal 120164713
10 Decimal 21031371
12 Duodecimal 7062b23
16 Hexadecimal 140e9cb
20 Vigesimal 6b8i8b
36 Base36 cirwr

Cryptographic Hash Functions

md5 70f59683dd103353154e5edaeb94f9cd
sha1 3bd08cc9ecf6f9b1b3d3b9cec5c0aba0f14a164a
sha256 9550990d374475fc6388ce63b4b966275887e946f16f59c20140f798618857ee
sha512 a68f6b82cce205cd9da4edff61349a619ba4e88faa4ef9112219a6d6a039c742021321f9aca9156497c3b0420dbae2d4fc0b5e16b11367a5df6c36ab36a16eef
ripemd-160 9e637ca8d2f6ed13e59f28b3858598c09013b081

21031371 as geometric shapes

Circle

Radius = n
Diameter 42062742
Circumference 132144001.25704
Area 1.3895847579307E+15

Sphere

Radius = n
Volume 3.8966496773313E+22
Surface area 5.5583390317227E+15
Circumference 132144001.25704

Square

Length = n
Perimeter 84125484
Area 442318566139641
Diagonal 29742850.1035

Cube

Length = n
Surface area 2653911396837846
Volume 9.3025658646708E+21
Space diagonal 36427403.124831

Equilateral Triangle

Length = n
Perimeter 63094113
Area 1.9152955742122E+14
Altitude 18213701.562415

Triangular Pyramid

Length = n
Surface area 1.9152955742122E+14
Volume 1.0963179008905E+21
Height 9914283.3678334