21023904 (number)
21023904 is an even 8-digits composite number following 21023903 and preceding 21023905. In scientific notation, it is written as 2.1023904 × 10^7. The sum of its digits is 21. It has a total of 8 prime factors and 48 positive divisors. There are 6209280 positive integers (up to 21023904) that are relatively prime to 21023904.
Interesting facts
- 21023904 has 48 divisors, whose sum is 43731072
- The reverse of 21023904 is 40932012
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty-one million twenty-three thousand nine hundred four |
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Notation
Scientific notation | 2.1023904 × 10^7 |
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Engineering notation | 2.1023904 × 10^6 |
Prime Factorization of 21023904
Prime Factorization 2 × 2 × 2 × 2 × 2 × 33 × 43 × 463
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 1313994 | Product of the distinct prime numbers |
The prime factorization of 21023904 is 2 × 2 × 2 × 2 × 2 × 33 × 43 × 463. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21023904)
Multiplication
n×yn×2 | 42047808 |
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n×3 | 63071712 |
n×4 | 84095616 |
n×5 | 105119520 |
Division
n÷yn÷2 | 10511952 |
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n÷3 | 7007968 |
n÷3 | 5255976 |
n÷5 | 4204780.8 |
Exponentiation
nyn2 | 442004539401216 |
---|---|
n3 | 9.2926610039354E+21 |
n4 | 1.9536801285128E+29 |
n5 | 4.1073983468561E+36 |
Nth Root
y√n2√n | 4585.1830933999 |
---|---|
3√n | 275.99705940996 |
4√n | 67.713980044005 |
5√n | 29.143564798897 |
Divisors of 21023904
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 | -21023903 | 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 21023904 can be divided by 48 positive divisors. The sum of these divisors (counting 21023904) is 1, the average is 0.020833333333333.
Base conversion 21023904
Base | System | Value |
---|---|---|
2 | Binary | 1010000001100110010100000 |
3 | Ternary | 1110120010101010 |
4 | Quaternary | 1100030302200 |
5 | Quinary | 20340231104 |
6 | Senary | 2030340520 |
8 | Octal | 120146240 |
10 | Decimal | 21023904 |
12 | Duodecimal | 705a740 |
16 | Hexadecimal | 140cca0 |
20 | Vigesimal | 6b7jf4 |
36 | Base36 | cim5c |
Cryptographic Hash Functions
md5 | bc8adc95ef075268d046bb6063777c95 |
---|---|
sha1 | bc2160d58c671abe1f1d2ca60e0fc48a939828eb |
sha256 | eb74bdb993f842827167f7a72e72646c6df3d275682dcec7ddeb40336978947c |
sha512 | 59b6ea3d88d532b7e2fca3a94c38d0834082bc42274b38b559e5e289911fae35a13d126c84b3b6be4ef04da45e39bea3242fc132d646429129bf490db4264621 |
ripemd-160 | 71c1d9789f6727871abf2585225da79d8a802f1b |
21023904 as geometric shapes
Circle
Radius = nDiameter | 42047808 |
---|---|
Circumference | 132097084.71235 |
Area | 1.3885982138362E+15 |
Sphere
Radius = nVolume | 3.8925007389685E+22 |
---|---|
Surface area | 5.5543928553448E+15 |
Circumference | 132097084.71235 |
Square
Length = nPerimeter | 84095616 |
---|---|
Area | 442004539401216 |
Diagonal | 29732290.17083 |
Cube
Length = nSurface area | 2652027236407296 |
---|---|
Volume | 9.2926610039354E+21 |
Space diagonal | 36414469.901451 |
Equilateral Triangle
Length = nPerimeter | 63071712 |
---|---|
Area | 1.9139357985475E+14 |
Altitude | 18207234.950725 |
Triangular Pyramid
Length = nSurface area | 1.9139357985475E+14 |
---|---|
Volume | 1.0951506018584E+21 |
Height | 9910763.3902767 |