21125810 (number)

21125810 is an even 8-digits composite number following 21125809 and preceding 21125811. In scientific notation, it is written as 2.1125810 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 8450320 positive integers (up to 21125810) that are relatively prime to 21125810.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-five thousand eight hundred ten

Notation

Scientific notation 2.1125810 × 10^7
Engineering notation 2.1125810 × 10^6

Prime Factorization of 21125810

Prime Factorization 2 × 5 × 2112581

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21125810
Product of the distinct prime numbers

The prime factorization of 21125810 is 2 × 5 × 2112581. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21125810)

Multiplication

n×y
n×2 42251620
n×3 63377430
n×4 84503240
n×5 105629050

Division

n÷y
n÷2 10562905
n÷3 7041936.6666667
n÷3 5281452.5
n÷5 4225162

Exponentiation

ny
n2 446299848156100
n3 9.4284457951746E+21
n4 1.9918355446416E+29
n5 4.2079139267345E+36

Nth Root

y√n
2√n 4596.2821932514
3√n 276.44227382032
4√n 67.79588625611
5√n 29.171762821272

Divisors of 21125810

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 -21125809
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 21125810 can be divided by 8 positive divisors. The sum of these divisors (counting 21125810) is 1, the average is 0.125.

Base conversion 21125810

Base System Value
2 Binary 1010000100101101010110010
3 Ternary 1110202022011102
4 Quaternary 1100211222302
5 Quinary 20402011220
6 Senary 2032444402
8 Octal 120455262
10 Decimal 21125810
12 Duodecimal 70a9702
16 Hexadecimal 1425ab2
20 Vigesimal 6c0eaa
36 Base36 ckss2

Cryptographic Hash Functions

md5 bc83b1fc9bd1ede76e9d5dc9bee3ae2b
sha1 0104a3a1199cd214a512f57b794d21a0d8e9df7b
sha256 b4594eb90671a7ce5dfbb94a0bb9b334cb7e050b65b8f570d0d4c266f88b704d
sha512 a2928b193f5142c54f4ea56d7eb8098f98c062456d10aff46e23eafb24aa72e17af81fea4c20c48be8f89da665109b2bc590b09b65aa3db498bf1603a672cfec
ripemd-160 171bc9c875d454221227091ec3c6fc839a7c8464

21125810 as geometric shapes

Circle

Radius = n
Diameter 42251620
Circumference 132737378.99427
Area 1.4020923242654E+15

Sphere

Radius = n
Volume 3.9493781393187E+22
Surface area 5.6083692970618E+15
Circumference 132737378.99427

Square

Length = n
Perimeter 84503240
Area 446299848156100
Diagonal 29876407.018117

Cube

Length = n
Surface area 2677799088936600
Volume 9.4284457951746E+21
Space diagonal 36590976.271047

Equilateral Triangle

Length = n
Perimeter 63377430
Area 1.9325350310416E+14
Altitude 18295488.135523

Triangular Pyramid

Length = n
Surface area 1.9325350310416E+14
Volume 1.1111529929696E+21
Height 9958802.3393724