21084816 (number)
21084816 is an even 8-digits composite number following 21084815 and preceding 21084817. In scientific notation, it is written as 2.1084816 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 7006336 positive integers (up to 21084816) that are relatively prime to 21084816.
Interesting facts
- 21084816 has 40 divisors, whose sum is 54639360
- The reverse of 21084816 is 61848012
- Previous prime number is 509
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 30
- Digital Root 3
Name
Name | twenty-one million eighty-four thousand eight hundred sixteen |
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Notation
Scientific notation | 2.1084816 × 10^7 |
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Engineering notation | 2.1084816 × 10^6 |
Prime Factorization of 21084816
Prime Factorization 2 × 2 × 2 × 2 × 3 × 509 × 863
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2635602 | Product of the distinct prime numbers |
The prime factorization of 21084816 is 2 × 2 × 2 × 2 × 3 × 509 × 863. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21084816)
Multiplication
n×yn×2 | 42169632 |
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n×3 | 63254448 |
n×4 | 84339264 |
n×5 | 105424080 |
Division
n÷yn÷2 | 10542408 |
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n÷3 | 7028272 |
n÷3 | 5271204 |
n÷5 | 4216963.2 |
Exponentiation
nyn2 | 444569465753856 |
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n3 | 9.3736653846384E+21 |
n4 | 1.9764200988067E+29 |
n5 | 4.1672454122041E+36 |
Nth Root
y√n2√n | 4591.8205539851 |
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3√n | 276.26334872673 |
4√n | 67.762973326036 |
5√n | 29.16043263753 |
Divisors of 21084816
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 | -21084815 | 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 21084816 can be divided by 40 positive divisors. The sum of these divisors (counting 21084816) is 1, the average is 0.025.
Base conversion 21084816
Base | System | Value |
---|---|---|
2 | Binary | 1010000011011101010010000 |
3 | Ternary | 1110200012221010 |
4 | Quaternary | 1100123222100 |
5 | Quinary | 20344203231 |
6 | Senary | 2031530520 |
8 | Octal | 120335220 |
10 | Decimal | 21084816 |
12 | Duodecimal | 7089a40 |
16 | Hexadecimal | 141ba90 |
20 | Vigesimal | 6bfc0g |
36 | Base36 | cjx5c |
Cryptographic Hash Functions
md5 | 07ff11a5f488ad4032fbabd99aefcb78 |
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sha1 | 565a6bf12dc0173aee48b428d0d73b190fc9be71 |
sha256 | 17da1b1286bed12c030bccb8abfcf63543c6baf7022b8ea2a636f24c95744dc1 |
sha512 | 306bc2e3fff7ee1909cba08187940bbc13651606837c63ef9e99c6df6165c1e4d45ade524f5e3b11ca5feb12a26cba77b20c90a0a940ad25788d43a87a739823 |
ripemd-160 | fe7f40ed0af11bb8dae36f0d353f262e009f6846 |
21084816 as geometric shapes
Circle
Radius = nDiameter | 42169632 |
---|---|
Circumference | 132479806.09579 |
Area | 1.3966561676227E+15 |
Sphere
Radius = nVolume | 3.9264317746118E+22 |
---|---|
Surface area | 5.5866246704906E+15 |
Circumference | 132479806.09579 |
Square
Length = nPerimeter | 84339264 |
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Area | 444569465753856 |
Diagonal | 29818432.747341 |
Cube
Length = nSurface area | 2667416794523136 |
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Volume | 9.3736653846384E+21 |
Space diagonal | 36519972.580241 |
Equilateral Triangle
Length = nPerimeter | 63254448 |
---|---|
Area | 1.9250422554486E+14 |
Altitude | 18259986.290121 |
Triangular Pyramid
Length = nSurface area | 1.9250422554486E+14 |
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Volume | 1.1046970596752E+21 |
Height | 9939477.5824471 |