21085504 (number)
21085504 is an even 8-digits composite number following 21085503 and preceding 21085505. In scientific notation, it is written as 2.1085504 × 10^7. The sum of its digits is 25. It has a total of 9 prime factors and 56 positive divisors. There are 9408000 positive integers (up to 21085504) that are relatively prime to 21085504.
Interesting facts
- 21085504 has 56 divisors, whose sum is 46488096
- The reverse of 21085504 is 40558012
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 25
- Digital Root 7
Name
Name | twenty-one million eighty-five thousand five hundred four |
---|
Notation
Scientific notation | 2.1085504 × 10^7 |
---|---|
Engineering notation | 2.1085504 × 10^6 |
Prime Factorization of 21085504
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 11 × 61 × 491
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 658922 | Product of the distinct prime numbers |
The prime factorization of 21085504 is 2 × 2 × 2 × 2 × 2 × 2 × 11 × 61 × 491. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21085504)
Multiplication
n×yn×2 | 42171008 |
---|---|
n×3 | 63256512 |
n×4 | 84342016 |
n×5 | 105427520 |
Division
n÷yn÷2 | 10542752 |
---|---|
n÷3 | 7028501.3333333 |
n÷3 | 5271376 |
n÷5 | 4217100.8 |
Exponentiation
nyn2 | 444598478934016 |
---|---|
n3 | 9.3745830059571E+21 |
n4 | 1.9766780747044E+29 |
n5 | 4.1679253450892E+36 |
Nth Root
y√n2√n | 4591.8954691935 |
---|---|
3√n | 276.26635352913 |
4√n | 67.763526097699 |
5√n | 29.160622936708 |
Divisors of 21085504
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21085503 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21085504 can be divided by 56 positive divisors. The sum of these divisors (counting 21085504) is 1, the average is 0.017857142857143.
Base conversion 21085504
Base | System | Value |
---|---|---|
2 | Binary | 1010000011011110101000000 |
3 | Ternary | 1110200020212121 |
4 | Quaternary | 1100123311000 |
5 | Quinary | 20344214004 |
6 | Senary | 2031534024 |
8 | Octal | 120336500 |
10 | Decimal | 21085504 |
12 | Duodecimal | 708a314 |
16 | Hexadecimal | 141bd40 |
20 | Vigesimal | 6bfdf4 |
36 | Base36 | cjxog |
Cryptographic Hash Functions
md5 | 86af27968da523ed37d3ab6352e4d0f6 |
---|---|
sha1 | ee1717cc0302606e89cbf69b5cc707eda17a504f |
sha256 | f5632e0480072cb090bd3e91c4d87efcc5d65bd428c897f12ca8d2a77a55f2f4 |
sha512 | 91a7bb9faecfb8232bf9471eba8da7428a1b0b2b73664c33ae0682826165457d890b839a8592ad0e2ea6f76154d91ff309594d20e08337e5fb529268e284729c |
ripemd-160 | fe323af86d9ce0d8e225ecb1b85ceef749cff02c |
21085504 as geometric shapes
Circle
Radius = nDiameter | 42171008 |
---|---|
Circumference | 132484128.92728 |
Area | 1.3967473152163E+15 |
Sphere
Radius = nVolume | 3.926816146931E+22 |
---|---|
Surface area | 5.5869892608652E+15 |
Circumference | 132484128.92728 |
Square
Length = nPerimeter | 84342016 |
---|---|
Area | 444598478934016 |
Diagonal | 29819405.726272 |
Cube
Length = nSurface area | 2667590873604096 |
---|---|
Volume | 9.3745830059571E+21 |
Space diagonal | 36521164.231197 |
Equilateral Triangle
Length = nPerimeter | 63256512 |
---|---|
Area | 1.9251678862039E+14 |
Altitude | 18260582.115598 |
Triangular Pyramid
Length = nSurface area | 1.9251678862039E+14 |
---|---|
Volume | 1.1048052023847E+21 |
Height | 9939801.9087574 |