21804540 (number)
21804540 is an even 8-digits composite number following 21804539 and preceding 21804541. In scientific notation, it is written as 2.1804540 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 48 positive divisors. There are 5472256 positive integers (up to 21804540) that are relatively prime to 21804540.
Interesting facts
- 21804540 has 48 divisors, whose sum is 64647072
- The reverse of 21804540 is 04540812
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million eight hundred four thousand five hundred forty |
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Notation
Scientific notation | 2.1804540 × 10^7 |
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Engineering notation | 2.1804540 × 10^6 |
Prime Factorization of 21804540
Prime Factorization 2 × 2 × 5 × 3 × 17 × 21377
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10902270 | Product of the distinct prime numbers |
The prime factorization of 21804540 is 2 × 2 × 5 × 3 × 17 × 21377. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21804540)
Multiplication
n×yn×2 | 43609080 |
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n×3 | 65413620 |
n×4 | 87218160 |
n×5 | 109022700 |
Division
n÷yn÷2 | 10902270 |
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n÷3 | 7268180 |
n÷3 | 5451135 |
n÷5 | 4360908 |
Exponentiation
nyn2 | 475437964611600 |
---|---|
n3 | 1.0366706116892E+22 |
n4 | 2.2604125819402E+29 |
n5 | 4.9287256559419E+36 |
Nth Root
y√n2√n | 4669.5331672449 |
---|---|
3√n | 279.37163512105 |
4√n | 68.333982521472 |
5√n | 29.356845403581 |
Divisors of 21804540
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 | -21804539 | 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 21804540 can be divided by 48 positive divisors. The sum of these divisors (counting 21804540) is 1, the average is 0.020833333333333.
Base conversion 21804540
Base | System | Value |
---|---|---|
2 | Binary | 1010011001011010111111100 |
3 | Ternary | 1112000210012120 |
4 | Quaternary | 1103023113330 |
5 | Quinary | 21040221130 |
6 | Senary | 2055202540 |
8 | Octal | 123132774 |
10 | Decimal | 21804540 |
12 | Duodecimal | 7376450 |
16 | Hexadecimal | 14cb5fc |
20 | Vigesimal | 6g5b70 |
36 | Base36 | czcho |
Cryptographic Hash Functions
md5 | cac0dd7574ac019646d791a2fee2cd19 |
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sha1 | 5c5930192507e119998092d92df7dac5a71bddf3 |
sha256 | 8c33a986ab4b63d62f73671a73031ce5cdb02d933ad2078790182b01b91a2257 |
sha512 | 640b3db47c1668e9c82ffa98e3be289849c8a72b37b48b74d2e14dfa050dcb3308635d37521a90791c4dd4ccd9e8d20631afb6389988bc29429374219f577802 |
ripemd-160 | 170bb67672e6cad5a13512ad9781d079b96dbf2c |
21804540 as geometric shapes
Circle
Radius = nDiameter | 43609080 |
---|---|
Circumference | 137001965.35781 |
Area | 1.4936324168615E+15 |
Sphere
Radius = nVolume | 4.3423957038337E+22 |
---|---|
Surface area | 5.9745296674459E+15 |
Circumference | 137001965.35781 |
Square
Length = nPerimeter | 87218160 |
---|---|
Area | 475437964611600 |
Diagonal | 30836276.189307 |
Cube
Length = nSurface area | 2852627787669600 |
---|---|
Volume | 1.0366706116892E+22 |
Space diagonal | 37766571.115668 |
Equilateral Triangle
Length = nPerimeter | 65413620 |
---|---|
Area | 2.0587067763861E+14 |
Altitude | 18883285.557834 |
Triangular Pyramid
Length = nSurface area | 2.0587067763861E+14 |
---|---|
Volume | 1.2217280323038E+21 |
Height | 10278758.729769 |