21000384 (number)
21000384 is an even 8-digits composite number following 21000383 and preceding 21000385. In scientific notation, it is written as 2.1000384 × 10^7. The sum of its digits is 18. It has a total of 9 prime factors and 42 positive divisors. There are 6998400 positive integers (up to 21000384) that are relatively prime to 21000384.
Interesting facts
- 21000384 has 42 divisors, whose sum is 46828964
- The reverse of 21000384 is 48300012
- Previous prime number is 9
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty-one million three hundred eighty-four |
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Notation
Scientific notation | 2.1000384 × 10^7 |
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Engineering notation | 2.1000384 × 10^6 |
Prime Factorization of 21000384
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 9 × 4051
Composite numberω | Distinct Factors | 3 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 72918 | Product of the distinct prime numbers |
The prime factorization of 21000384 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 9 × 4051. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21000384)
Multiplication
n×yn×2 | 42000768 |
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n×3 | 63001152 |
n×4 | 84001536 |
n×5 | 105001920 |
Division
n÷yn÷2 | 10500192 |
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n÷3 | 7000128 |
n÷3 | 5250096 |
n÷5 | 4200076.8 |
Exponentiation
nyn2 | 441016128147456 |
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n3 | 9.2615080412898E+21 |
n4 | 1.9449522528617E+29 |
n5 | 4.0844744171762E+36 |
Nth Root
y√n2√n | 4582.6175925992 |
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3√n | 275.89409925784 |
4√n | 67.695033736599 |
5√n | 29.137041142915 |
Divisors of 21000384
42 divisors
τ | Total Divisors | 42 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -21000383 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.023809523809524 | 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 | 42 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 21000384 can be divided by 42 positive divisors. The sum of these divisors (counting 21000384) is 1, the average is 0.023809523809524.
Base conversion 21000384
Base | System | Value |
---|---|---|
2 | Binary | 1010000000111000011000000 |
3 | Ternary | 1110111221010000 |
4 | Quaternary | 1100013003000 |
5 | Quinary | 20334003014 |
6 | Senary | 2030040000 |
8 | Octal | 120070300 |
10 | Decimal | 21000384 |
12 | Duodecimal | 7049000 |
16 | Hexadecimal | 14070c0 |
20 | Vigesimal | 6b50j4 |
36 | Base36 | ci400 |
Cryptographic Hash Functions
md5 | 0c2c70e1e125266b05c95528f2d46bf5 |
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sha1 | 966bc1dbbbb0ea4c2427cf5c7d893c66622c74cf |
sha256 | 05e983eb6ce76f45231d23bcaa5997caacff360840d4f1806cbd5fa8482c16ee |
sha512 | b8fb19c438ed44bd0c6bf5c5bfa00340a1b11eefd78c283e31fbb9bd0882f8a7dfb4762d2f931d3801afc8740a69eb0e6576dc9173557bebdd83bc24705ef75d |
ripemd-160 | 1c933a57f1d7b89dcdc0d424f6596ae9fb51746c |
21000384 as geometric shapes
Circle
Radius = nDiameter | 42000768 |
---|---|
Circumference | 131949304.19393 |
Area | 1.3854930283027E+15 |
Sphere
Radius = nVolume | 3.8794514164905E+22 |
---|---|
Surface area | 5.5419721132106E+15 |
Circumference | 131949304.19393 |
Square
Length = nPerimeter | 84001536 |
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Area | 441016128147456 |
Diagonal | 29699027.867843 |
Cube
Length = nSurface area | 2646096768884736 |
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Volume | 9.2615080412898E+21 |
Space diagonal | 36373732.066457 |
Equilateral Triangle
Length = nPerimeter | 63001152 |
---|---|
Area | 1.9096558522718E+14 |
Altitude | 18186866.033228 |
Triangular Pyramid
Length = nSurface area | 1.9096558522718E+14 |
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Volume | 1.0914791900016E+21 |
Height | 9899675.9559477 |