21085086 (number)

21085086 is an even 8-digits composite number following 21085085 and preceding 21085087. In scientific notation, it is written as 2.1085086 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 6347840 positive integers (up to 21085086) that are relatively prime to 21085086.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand eighty-six

Notation

Scientific notation 2.1085086 × 10^7
Engineering notation 2.1085086 × 10^6

Prime Factorization of 21085086

Prime Factorization 2 × 3 × 11 × 167 × 1913

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21085086
Product of the distinct prime numbers

The prime factorization of 21085086 is 2 × 3 × 11 × 167 × 1913. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085086)

Multiplication

n×y
n×2 42170172
n×3 63255258
n×4 84340344
n×5 105425430

Division

n÷y
n÷2 10542543
n÷3 7028362
n÷3 5271271.5
n÷5 4217017.2

Exponentiation

ny
n2 444580851627396
n3 9.3740254905169E+21
n4 1.9765213363374E+29
n5 4.1675122357509E+36

Nth Root

y√n
2√n 4591.8499539946
3√n 276.26452794477
4√n 67.763190258389
5√n 29.160507319486

Divisors of 21085086

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21085085
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085086 can be divided by 32 positive divisors. The sum of these divisors (counting 21085086) is 1, the average is 0.03125.

Base conversion 21085086

Base System Value
2 Binary 1010000011011101110011110
3 Ternary 1110200020022010
4 Quaternary 1100123232132
5 Quinary 20344210321
6 Senary 2031532050
8 Octal 120335636
10 Decimal 21085086
12 Duodecimal 708a026
16 Hexadecimal 141bb9e
20 Vigesimal 6bfce6
36 Base36 cjxcu

Cryptographic Hash Functions

md5 6fc39342c31c9c84ac726afb1d7e67cc
sha1 8132b13837b325c49596607359b609245ebf42d5
sha256 13aaae3dac093cea401616683afe3bfb30f91d5f2435372f7fc4176e2529fa95
sha512 79d98413d55204658c6b0571dfb8c09e754cad0315807292c7efa3b567c4410e0660fcb637e4433fa84cb6af7d93f1bb3767628d8c331d139bad808c7976b6af
ripemd-160 3fc4e66ec0d19c5741a1b1c5e870793c018dbdd6

21085086 as geometric shapes

Circle

Radius = n
Diameter 42170172
Circumference 132481502.55582
Area 1.3966919373993E+15

Sphere

Radius = n
Volume 3.9265826154095E+22
Surface area 5.5867677495973E+15
Circumference 132481502.55582

Square

Length = n
Perimeter 84340344
Area 444580851627396
Diagonal 29818814.585003

Cube

Length = n
Surface area 2667485109764376
Volume 9.3740254905169E+21
Space diagonal 36520440.233959

Equilateral Triangle

Length = n
Perimeter 63255258
Area 1.9250915577272E+14
Altitude 18260220.11698

Triangular Pyramid

Length = n
Surface area 1.9250915577272E+14
Volume 1.10473949856E+21
Height 9939604.8616677