21085008 (number)
21085008 is an even 8-digits composite number following 21085007 and preceding 21085009. In scientific notation, it is written as 2.1085008 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 40 positive divisors. There are 6024192 positive integers (up to 21085008) that are relatively prime to 21085008.
Interesting facts
- 21085008 has 40 divisors, whose sum is 62251968
- The reverse of 21085008 is 80058012
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million eighty-five thousand eight |
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Notation
Scientific notation | 2.1085008 × 10^7 |
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Engineering notation | 2.1085008 × 10^6 |
Prime Factorization of 21085008
Prime Factorization 2 × 2 × 2 × 2 × 3 × 7 × 62753
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2635626 | Product of the distinct prime numbers |
The prime factorization of 21085008 is 2 × 2 × 2 × 2 × 3 × 7 × 62753. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21085008)
Multiplication
n×yn×2 | 42170016 |
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n×3 | 63255024 |
n×4 | 84340032 |
n×5 | 105425040 |
Division
n÷yn÷2 | 10542504 |
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n÷3 | 7028336 |
n÷3 | 5271252 |
n÷5 | 4217001.6 |
Exponentiation
nyn2 | 444577562360064 |
---|---|
n3 | 9.3739214589824E+21 |
n4 | 1.9764920895402E+29 |
n5 | 4.1674351519891E+36 |
Nth Root
y√n2√n | 4591.8414606778 |
---|---|
3√n | 276.26418728281 |
4√n | 67.763127589256 |
5√n | 29.160485744777 |
Divisors of 21085008
40 divisors
τ | Total Divisors | 40 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21085007 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21085008 can be divided by 40 positive divisors. The sum of these divisors (counting 21085008) is 1, the average is 0.025.
Base conversion 21085008
Base | System | Value |
---|---|---|
2 | Binary | 1010000011011101101010000 |
3 | Ternary | 1110200020012020 |
4 | Quaternary | 1100123231100 |
5 | Quinary | 20344210013 |
6 | Senary | 2031531440 |
8 | Octal | 120335520 |
10 | Decimal | 21085008 |
12 | Duodecimal | 7089b80 |
16 | Hexadecimal | 141bb50 |
20 | Vigesimal | 6bfca8 |
36 | Base36 | cjxao |
Cryptographic Hash Functions
md5 | 37ad53e93588b8d5b773eb21b82eb35d |
---|---|
sha1 | d152396ad052be0483dab0671a4731d1619a96f0 |
sha256 | c89e8cb4dbe2274185bc0364e6af5bbc357f05d6d95282c888fc7b89acc0cc95 |
sha512 | c1ffbe13edf2daee52c2e0357a3ac7149bf045e3a3e8229dc7a09e9d1a95425ad8adcfac3df29205e0c8317ca7777cd62f496a51f216b3b49178a6636cfba255 |
ripemd-160 | 645ab8f21448419e255a5c254a23eeb11cf4159d |
21085008 as geometric shapes
Circle
Radius = nDiameter | 42170016 |
---|---|
Circumference | 132481012.46736 |
Area | 1.3966816038612E+15 |
Sphere
Radius = nVolume | 3.9265390387823E+22 |
---|---|
Surface area | 5.5867264154449E+15 |
Circumference | 132481012.46736 |
Square
Length = nPerimeter | 84340032 |
---|---|
Area | 444577562360064 |
Diagonal | 29818704.276345 |
Cube
Length = nSurface area | 2667465374160384 |
---|---|
Volume | 9.3739214589824E+21 |
Space diagonal | 36520305.133996 |
Equilateral Triangle
Length = nPerimeter | 63255024 |
---|---|
Area | 1.9250773147819E+14 |
Altitude | 18260152.566998 |
Triangular Pyramid
Length = nSurface area | 1.9250773147819E+14 |
---|---|
Volume | 1.1047272383261E+21 |
Height | 9939568.0921151 |