21490224 (number)
21490224 is an even 8-digits composite number following 21490223 and preceding 21490225. In scientific notation, it is written as 2.1490224 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 60 positive divisors. There are 6139392 positive integers (up to 21490224) that are relatively prime to 21490224.
Interesting facts
- 21490224 has 60 divisors, whose sum is 64587384
- The reverse of 21490224 is 42209412
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 24
- Digital Root 6
Name
Name | twenty-one million four hundred ninety thousand two hundred twenty-four |
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Notation
Scientific notation | 2.1490224 × 10^7 |
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Engineering notation | 2.1490224 × 10^6 |
Prime Factorization of 21490224
Prime Factorization 2 × 2 × 2 × 2 × 3 × 7 × 7 × 9137
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 383754 | Product of the distinct prime numbers |
The prime factorization of 21490224 is 2 × 2 × 2 × 2 × 3 × 7 × 7 × 9137. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21490224)
Multiplication
n×yn×2 | 42980448 |
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n×3 | 64470672 |
n×4 | 85960896 |
n×5 | 107451120 |
Division
n÷yn÷2 | 10745112 |
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n÷3 | 7163408 |
n÷3 | 5372556 |
n÷5 | 4298044.8 |
Exponentiation
nyn2 | 461829727570176 |
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n3 | 9.9248242953421E+21 |
n4 | 2.1328669726754E+29 |
n5 | 4.5835789004997E+36 |
Nth Root
y√n2√n | 4635.7549546972 |
---|---|
3√n | 278.02273678399 |
4√n | 68.086378628161 |
5√n | 29.27171637579 |
Divisors of 21490224
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 | -21490223 | 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 21490224 can be divided by 60 positive divisors. The sum of these divisors (counting 21490224) is 1, the average is 0.016666666666667.
Base conversion 21490224
Base | System | Value |
---|---|---|
2 | Binary | 1010001111110101000110000 |
3 | Ternary | 1111102211001020 |
4 | Quaternary | 1101332220300 |
5 | Quinary | 21000141344 |
6 | Senary | 2044335440 |
8 | Octal | 121765060 |
10 | Decimal | 21490224 |
12 | Duodecimal | 7244580 |
16 | Hexadecimal | 147ea30 |
20 | Vigesimal | 6e65b4 |
36 | Base36 | cslyo |
Cryptographic Hash Functions
md5 | aa61c6d48edf9c84591bc5a53ab20a2a |
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sha1 | d55ad58801d7b9716396af274a740c5fcbeb2fd1 |
sha256 | 7fa1c81fb3f18667531c6ecbb648d9082e2114eb2aa856cb2e2f83e6f516e69a |
sha512 | aa53e0a08cdf3e1c7341956340891dcf9067888f81468c7899d6d5f124c42f664714b6b988a5d018fe2074b171531db55b411f857bb1723b389512e2f74af037 |
ripemd-160 | 9fd26ae4997646c34aff09bd4439ed8251257f3a |
21490224 as geometric shapes
Circle
Radius = nDiameter | 42980448 |
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Circumference | 135027059.6848 |
Area | 1.4508808793438E+15 |
Sphere
Radius = nVolume | 4.1573006792555E+22 |
---|---|
Surface area | 5.8035235173754E+15 |
Circumference | 135027059.6848 |
Square
Length = nPerimeter | 85960896 |
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Area | 461829727570176 |
Diagonal | 30391766.239236 |
Cube
Length = nSurface area | 2770978365421056 |
---|---|
Volume | 9.9248242953421E+21 |
Space diagonal | 37222159.834036 |
Equilateral Triangle
Length = nPerimeter | 64470672 |
---|---|
Area | 1.9997813814931E+14 |
Altitude | 18611079.917018 |
Triangular Pyramid
Length = nSurface area | 1.9997813814931E+14 |
---|---|
Volume | 1.1696517602202E+21 |
Height | 10130588.746412 |