21109904 (number)
21109904 is an even 8-digits composite number following 21109903 and preceding 21109905. In scientific notation, it is written as 2.1109904 × 10^7. The sum of its digits is 26. It has a total of 7 prime factors and 40 positive divisors. There are 10120320 positive integers (up to 21109904) that are relatively prime to 21109904.
Interesting facts
- 21109904 has 40 divisors, whose sum is 42622272
- The reverse of 21109904 is 40990112
- Previous prime number is 61
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 26
- Digital Root 8
Name
Name | twenty-one million one hundred nine thousand nine hundred four |
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Notation
Scientific notation | 2.1109904 × 10^7 |
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Engineering notation | 2.1109904 × 10^6 |
Prime Factorization of 21109904
Prime Factorization 2 × 2 × 2 × 2 × 43 × 61 × 503
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 2638738 | Product of the distinct prime numbers |
The prime factorization of 21109904 is 2 × 2 × 2 × 2 × 43 × 61 × 503. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21109904)
Multiplication
n×yn×2 | 42219808 |
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n×3 | 63329712 |
n×4 | 84439616 |
n×5 | 105549520 |
Division
n÷yn÷2 | 10554952 |
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n÷3 | 7036634.6666667 |
n÷3 | 5277476 |
n÷5 | 4221980.8 |
Exponentiation
nyn2 | 445628046889216 |
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n3 | 9.4071652895388E+21 |
n4 | 1.985843561743E+29 |
n5 | 4.1920966947412E+36 |
Nth Root
y√n2√n | 4594.5515559192 |
---|---|
3√n | 276.37287695746 |
4√n | 67.783121467805 |
5√n | 29.167368709369 |
Divisors of 21109904
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 | -21109903 | 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 21109904 can be divided by 40 positive divisors. The sum of these divisors (counting 21109904) is 1, the average is 0.025.
Base conversion 21109904
Base | System | Value |
---|---|---|
2 | Binary | 1010000100001110010010000 |
3 | Ternary | 1110201111100022 |
4 | Quaternary | 1100201302100 |
5 | Quinary | 20401004104 |
6 | Senary | 2032243012 |
8 | Octal | 120416220 |
10 | Decimal | 21109904 |
12 | Duodecimal | 70a0468 |
16 | Hexadecimal | 1421c90 |
20 | Vigesimal | 6bief4 |
36 | Base36 | ckgi8 |
Cryptographic Hash Functions
md5 | a47cd2c599e6e9f64a69b0492b41f840 |
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sha1 | 5d13c4d1e2283a402987cfeb3a0904af89bb644d |
sha256 | 0607b2f7619343008a2fdbf5daa3279300b69f1ab3f1989662b07c2603e5db61 |
sha512 | 8b4d4237298f7aee5e4725876c270aefb81981b1edde2e2b7d1a65b68eedf018c259a3b914464691c3b62e75a5eb0a90657fd07aae1a88718472b939f8e7925f |
ripemd-160 | 7040485597aa5d8dbe28d389a9d94f2a6f91b127 |
21109904 as geometric shapes
Circle
Radius = nDiameter | 42219808 |
---|---|
Circumference | 132637438.64877 |
Area | 1.3999817983407E+15 |
Sphere
Radius = nVolume | 3.9404641819627E+22 |
---|---|
Surface area | 5.5999271933629E+15 |
Circumference | 132637438.64877 |
Square
Length = nPerimeter | 84439616 |
---|---|
Area | 445628046889216 |
Diagonal | 29853912.537194 |
Cube
Length = nSurface area | 2673768281335296 |
---|---|
Volume | 9.4071652895388E+21 |
Space diagonal | 36563426.270901 |
Equilateral Triangle
Length = nPerimeter | 63329712 |
---|---|
Area | 1.9296260462245E+14 |
Altitude | 18281713.135451 |
Triangular Pyramid
Length = nSurface area | 1.9296260462245E+14 |
---|---|
Volume | 1.1086450613293E+21 |
Height | 9951304.1790647 |