21452816 (number)
21452816 is an even 8-digits composite number following 21452815 and preceding 21452817. In scientific notation, it is written as 2.1452816 × 10^7. The sum of its digits is 29. It has a total of 8 prime factors and 60 positive divisors. There are 8352960 positive integers (up to 21452816) that are relatively prime to 21452816.
Interesting facts
- 21452816 has 60 divisors, whose sum is 52246656
- The reverse of 21452816 is 61825412
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 29
- Digital Root 2
Name
Name | twenty-one million four hundred fifty-two thousand eight hundred sixteen |
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Notation
Scientific notation | 2.1452816 × 10^7 |
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Engineering notation | 2.1452816 × 10^6 |
Prime Factorization of 21452816
Prime Factorization 2 × 2 × 2 × 2 × 7 × 11 × 11 × 1583
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 243782 | Product of the distinct prime numbers |
The prime factorization of 21452816 is 2 × 2 × 2 × 2 × 7 × 11 × 11 × 1583. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21452816)
Multiplication
n×yn×2 | 42905632 |
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n×3 | 64358448 |
n×4 | 85811264 |
n×5 | 107264080 |
Division
n÷yn÷2 | 10726408 |
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n÷3 | 7150938.6666667 |
n÷3 | 5363204 |
n÷5 | 4290563.2 |
Exponentiation
nyn2 | 460223314329856 |
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n3 | 9.8730860812286E+21 |
n4 | 2.1180549905276E+29 |
n5 | 4.543824398967E+36 |
Nth Root
y√n2√n | 4631.7184715827 |
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3√n | 277.86132517406 |
4√n | 68.056729803765 |
5√n | 29.261518626461 |
Divisors of 21452816
60 divisors
τ | Total Divisors | 60 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21452815 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.016666666666667 | 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 | 60 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21452816 can be divided by 60 positive divisors. The sum of these divisors (counting 21452816) is 1, the average is 0.016666666666667.
Base conversion 21452816
Base | System | Value |
---|---|---|
2 | Binary | 1010001110101100000010000 |
3 | Ternary | 1111100220201202 |
4 | Quaternary | 1101311200100 |
5 | Quinary | 20442442231 |
6 | Senary | 2043450332 |
8 | Octal | 121654020 |
10 | Decimal | 21452816 |
12 | Duodecimal | 72269a8 |
16 | Hexadecimal | 1475810 |
20 | Vigesimal | 6e1c0g |
36 | Base36 | crt3k |
Cryptographic Hash Functions
md5 | 9691895d9b0abbbc404dca99f2919e19 |
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sha1 | 9e4203fdb379f2c9ea8b3f43a2ac040c64097d83 |
sha256 | 139a6ed83aa7df2a9fa406015ac5ca747791e58a17c4c0615bd878b8b9ade8c2 |
sha512 | 38906b4e61931620ace3fdde228ac932621146b474619381cbcbd9fad8c037f76d656b7ac5fcad5f2382a1da90aa7fb4f013e356cecacf63d2ea434f4d29d73e |
ripemd-160 | acb77b42e23c48b83983fa66de7943ca3a4b51c3 |
21452816 as geometric shapes
Circle
Radius = nDiameter | 42905632 |
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Circumference | 134792018.28883 |
Area | 1.4458341833094E+15 |
Sphere
Radius = nVolume | 4.1356286268063E+22 |
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Surface area | 5.7833367332377E+15 |
Circumference | 134792018.28883 |
Square
Length = nPerimeter | 85811264 |
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Area | 460223314329856 |
Diagonal | 30338863.338295 |
Cube
Length = nSurface area | 2761339885979136 |
---|---|
Volume | 9.8730860812286E+21 |
Space diagonal | 37157367.277427 |
Equilateral Triangle
Length = nPerimeter | 64358448 |
---|---|
Area | 1.9928254081176E+14 |
Altitude | 18578683.638713 |
Triangular Pyramid
Length = nSurface area | 1.9928254081176E+14 |
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Volume | 1.1635543532125E+21 |
Height | 10112954.446098 |