21086688 (number)
21086688 is an even 8-digits composite number following 21086687 and preceding 21086689. In scientific notation, it is written as 2.1086688 × 10^7. The sum of its digits is 39. It has a total of 8 prime factors and 48 positive divisors. There are 6024576 positive integers (up to 21086688) that are relatively prime to 21086688.
Interesting facts
- 21086688 has 48 divisors, whose sum is 63262080
- The reverse of 21086688 is 88668012
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 39
- Digital Root 3
Name
Name | twenty-one million eighty-six thousand six hundred eighty-eight |
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Notation
Scientific notation | 2.1086688 × 10^7 |
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Engineering notation | 2.1086688 × 10^6 |
Prime Factorization of 21086688
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 7 × 31379
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1317918 | Product of the distinct prime numbers |
The prime factorization of 21086688 is 2 × 2 × 2 × 2 × 2 × 3 × 7 × 31379. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21086688)
Multiplication
n×yn×2 | 42173376 |
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n×3 | 63260064 |
n×4 | 84346752 |
n×5 | 105433440 |
Division
n÷yn÷2 | 10543344 |
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n÷3 | 7028896 |
n÷3 | 5271672 |
n÷5 | 4217337.6 |
Exponentiation
nyn2 | 444648410809344 |
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n3 | 9.3761623084325E+21 |
n4 | 1.9771220923528E+29 |
n5 | 4.169095669935E+36 |
Nth Root
y√n2√n | 4592.0243901791 |
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3√n | 276.27152443138 |
4√n | 67.764477347495 |
5√n | 29.160950416688 |
Divisors of 21086688
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21086687 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21086688 can be divided by 48 positive divisors. The sum of these divisors (counting 21086688) is 1, the average is 0.020833333333333.
Base conversion 21086688
Base | System | Value |
---|---|---|
2 | Binary | 1010000011100000111100000 |
3 | Ternary | 1110200022111110 |
4 | Quaternary | 1100130013200 |
5 | Quinary | 20344233223 |
6 | Senary | 2031543320 |
8 | Octal | 120340740 |
10 | Decimal | 21086688 |
12 | Duodecimal | 708ab40 |
16 | Hexadecimal | 141c1e0 |
20 | Vigesimal | 6bfge8 |
36 | Base36 | cjylc |
Cryptographic Hash Functions
md5 | 2f2d0ad6d1dc9582b961a85768d752de |
---|---|
sha1 | e392e1981b8123c95ea973cac130775761c6c0d4 |
sha256 | 8877ce4fa9a32d3fa95f90b46c9a8e5db5926328d844e59bd030488977db8ed8 |
sha512 | 0b6225dcbc5d225571496dfcb2084145fd54e06be34c2f643fc57abfc5ae47d50420c7ed56d24585d75defbc6c8d58099170b97eb0b5b175913fbeba4d9bc130 |
ripemd-160 | 39451241f1d30fe5047a71f4ab22e458c66e63ef |
21086688 as geometric shapes
Circle
Radius = nDiameter | 42173376 |
---|---|
Circumference | 132491568.21868 |
Area | 1.396904180829E+15 |
Sphere
Radius = nVolume | 3.9274776836049E+22 |
---|---|
Surface area | 5.587616723316E+15 |
Circumference | 132491568.21868 |
Square
Length = nPerimeter | 84346752 |
---|---|
Area | 444648410809344 |
Diagonal | 29821080.15513 |
Cube
Length = nSurface area | 2667890464856064 |
---|---|
Volume | 9.3761623084325E+21 |
Space diagonal | 36523214.979353 |
Equilateral Triangle
Length = nPerimeter | 63260064 |
---|---|
Area | 1.9253840975664E+14 |
Altitude | 18261607.489676 |
Triangular Pyramid
Length = nSurface area | 1.9253840975664E+14 |
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Volume | 1.1049913249664E+21 |
Height | 9940360.05171 |