21125812 (number)

21125812 is an even 8-digits composite number following 21125811 and preceding 21125813. In scientific notation, it is written as 2.1125812 × 10^7. The sum of its digits is 22. It has a total of 4 prime factors and 12 positive divisors. There are 10534976 positive integers (up to 21125812) that are relatively prime to 21125812.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1125812 × 10^7
Engineering notation 2.1125812 × 10^6

Prime Factorization of 21125812

Prime Factorization 2 × 2 × 389 × 13577

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10562906
Product of the distinct prime numbers

The prime factorization of 21125812 is 2 × 2 × 389 × 13577. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 97, 89, 379, 338, 7100, 5720, 11676, 59771, 37774, 550055, 6170020, 9138579, 88391299, 44032519, 491981399, 427910538, 5624277911, 3854763840

Basic calculations (n = 21125812)

Multiplication

n×y
n×2 42251624
n×3 63377436
n×4 84503248
n×5 105629060

Division

n÷y
n÷2 10562906
n÷3 7041937.3333333
n÷3 5281453
n÷5 4225162.4

Exponentiation

ny
n2 446299932659344
n3 9.428448472974E+21
n4 1.9918362989173E+29
n5 4.2079159185704E+36

Nth Root

y√n
2√n 4596.2824108186
3√n 276.44228254401
4√n 67.795887860685
5√n 29.171763373616

Divisors of 21125812

1, 2, 4, 389, 778, 1556, 13577, 27154, 54308, 5281453, 10562906, 21125812

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21125811
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21125812 can be divided by 12 positive divisors. The sum of these divisors (counting 21125812) is 1, the average is 0.083333333333333.

Base conversion 21125812

Base System Value
2 Binary 1010000100101101010110100
3 Ternary 1110202022011111
4 Quaternary 1100211222310
5 Quinary 20402011222
6 Senary 2032444404
8 Octal 120455264
10 Decimal 21125812
12 Duodecimal 70a9704
16 Hexadecimal 1425ab4
20 Vigesimal 6c0eac
36 Base36 ckss4

Cryptographic Hash Functions

md5 c5120dbd95a7bffaaa8970771a3b67b4
sha1 caf7f474260a3c38d2fae60f15e0308060fd4427
sha256 3671b037cac16204dec075f7b5098421cc077eb20a727170669ba0518619f90e
sha512 069cae842a9ea07d8432fa3c584fa631f0f64719f776094d72e99f1765dea2b484ec5da5e4414514e10d9b0b14fca25e5f3ab8af03a1f2dd70f8f862d3376cf0
ripemd-160 d87df7e3959138da6fa3fdf09726461ca107fd2d

21125812 as geometric shapes

Circle

Radius = n
Diameter 42251624
Circumference 132737391.56064
Area 1.4020925897402E+15

Sphere

Radius = n
Volume 3.9493792609927E+22
Surface area 5.6083703589609E+15
Circumference 132737391.56064

Square

Length = n
Perimeter 84503248
Area 446299932659344
Diagonal 29876409.846544

Cube

Length = n
Surface area 2677799595956064
Volume 9.428448472974E+21
Space diagonal 36590979.735148

Equilateral Triangle

Length = n
Perimeter 63377436
Area 1.9325353969514E+14
Altitude 18295489.867574

Triangular Pyramid

Length = n
Surface area 1.9325353969514E+14
Volume 1.1111533085513E+21
Height 9958803.2821814