21086810 (number)

21086810 is an even 8-digits composite number following 21086809 and preceding 21086811. In scientific notation, it is written as 2.1086810 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 8406528 positive integers (up to 21086810) that are relatively prime to 21086810.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-six thousand eight hundred ten

Notation

Scientific notation 2.1086810 × 10^7
Engineering notation 2.1086810 × 10^6

Prime Factorization of 21086810

Prime Factorization 2 × 5 × 313 × 6737

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21086810
Product of the distinct prime numbers

The prime factorization of 21086810 is 2 × 5 × 313 × 6737. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21086810)

Multiplication

n×y
n×2 42173620
n×3 63260430
n×4 84347240
n×5 105434050

Division

n÷y
n÷2 10543405
n÷3 7028936.6666667
n÷3 5271702.5
n÷5 4217362

Exponentiation

ny
n2 444653555976100
n3 9.3763250506924E+21
n4 1.9771678484219E+29
n5 4.1692162757782E+36

Nth Root

y√n
2√n 4592.0376740615
3√n 276.27205723294
4√n 67.764575362511
5√n 29.160984159566

Divisors of 21086810

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21086809
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21086810 can be divided by 16 positive divisors. The sum of these divisors (counting 21086810) is 1, the average is 0.0625.

Base conversion 21086810

Base System Value
2 Binary 1010000011100001001011010
3 Ternary 1110200022122222
4 Quaternary 1100130021122
5 Quinary 20344234220
6 Senary 2031544042
8 Octal 120341132
10 Decimal 21086810
12 Duodecimal 708b022
16 Hexadecimal 141c25a
20 Vigesimal 6bfh0a
36 Base36 cjyoq

Cryptographic Hash Functions

md5 96edeb4d01cdfa17ff644971b49dfbc6
sha1 bc881e5225fa9c31283f030ac20adcc4a90d4335
sha256 945e7bbcd68320c8d60b4092943084fa1df332dae26275bc05d5e7bc616f2d52
sha512 af98c078c2a7b804fc4a9613ebb8bd1e03703e35544b46afd449c49f48c463e29df0769def47d120a271ad69d4cf5caa1c5e33ff958b12f06c268da373080e51
ripemd-160 1cf4037dd94d060bbaab6545e8c1599af9fefcde

21086810 as geometric shapes

Circle

Radius = n
Diameter 42173620
Circumference 132492334.76729
Area 1.3969203448471E+15

Sphere

Radius = n
Volume 3.9275458529234E+22
Surface area 5.5876813793884E+15
Circumference 132492334.76729

Square

Length = n
Perimeter 84347240
Area 444653555976100
Diagonal 29821252.689185

Cube

Length = n
Surface area 2667921335856600
Volume 9.3763250506924E+21
Space diagonal 36523426.289551

Equilateral Triangle

Length = n
Perimeter 63260430
Area 1.9254063767919E+14
Altitude 18261713.144776

Triangular Pyramid

Length = n
Surface area 1.9254063767919E+14
Volume 1.1050105043256E+21
Height 9940417.5630615