21131213 (number)

21131213 is an odd 8-digits composite number following 21131212 and preceding 21131214. In scientific notation, it is written as 2.1131213 × 10^7. The sum of its digits is 14. It has a total of 2 prime factors and 4 positive divisors. There are 21024828 positive integers (up to 21131213) that are relatively prime to 21131213.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131213 × 10^7
Engineering notation 2.1131213 × 10^6

Prime Factorization of 21131213

Prime Factorization 199 × 106187

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131213
Product of the distinct prime numbers

The prime factorization of 21131213 is 199 × 106187. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131213)

Multiplication

n×y
n×2 42262426
n×3 63393639
n×4 84524852
n×5 105656065

Division

n÷y
n÷2 10565606.5
n÷3 7043737.6666667
n÷3 5282803.25
n÷5 4226242.6

Exponentiation

ny
n2 446528162851369
n3 9.435681719711E+21
n4 1.9938740021942E+29
n5 4.2132976235528E+36

Nth Root

y√n
2√n 4596.8699133215
3√n 276.46583883852
4√n 67.800220599357
5√n 29.173254824777

Divisors of 21131213

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 -21131212
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 21131213 can be divided by 4 positive divisors. The sum of these divisors (counting 21131213) is 1, the average is 0.25.

Base conversion 21131213

Base System Value
2 Binary 1010000100110111111001101
3 Ternary 1110202120120112
4 Quaternary 1100212333031
5 Quinary 20402144323
6 Senary 2032525405
8 Octal 120467715
10 Decimal 21131213
12 Duodecimal 70b0865
16 Hexadecimal 1426fcd
20 Vigesimal 6c180d
36 Base36 ckwy5

Cryptographic Hash Functions

md5 e2f782d035d55f87bae4ae4052451727
sha1 7f8605ff508a79f540692f4c59876d639eb9927f
sha256 ba585d516b8bd30d904ad3382e3f966fb72e9b5f8e0ff08db712057bf89527e3
sha512 97d341f0bbdaa8cc0d83da1a88b1e72704e7ce11fca29db4042865f9c649680a6c3b1da282c2b700fcf0be7bf88a2b2b862e3431dc9f39ed2aa496fad207d6bd
ripemd-160 a51e8971a1afaaef53a85840779597909c1b80b3

21131213 as geometric shapes

Circle

Radius = n
Diameter 42262426
Circumference 132771327.04448
Area 1.4028095960348E+15

Sphere

Radius = n
Volume 3.9524091163007E+22
Surface area 5.6112383841392E+15
Circumference 132771327.04448

Square

Length = n
Perimeter 84524852
Area 446528162851369
Diagonal 29884048.013995

Cube

Length = n
Surface area 2679168977108214
Volume 9.435681719711E+21
Space diagonal 36600334.54156

Equilateral Triangle

Length = n
Perimeter 63393639
Area 1.9335236626724E+14
Altitude 18300167.27078

Triangular Pyramid

Length = n
Surface area 1.9335236626724E+14
Volume 1.1120057548543E+21
Height 9961349.3379982