21000756 (number)
21000756 is an even 8-digits composite number following 21000755 and preceding 21000757. In scientific notation, it is written as 2.1000756 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 48 positive divisors. There are 5612544 positive integers (up to 21000756) that are relatively prime to 21000756.
Interesting facts
- 21000756 has 48 divisors, whose sum is 51105600
- The reverse of 21000756 is 65700012
- Previous prime number is 259
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 21
- Digital Root 3
Name
Name | twenty-one million seven hundred fifty-six |
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Notation
Scientific notation | 2.1000756 × 10^7 |
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Engineering notation | 2.1000756 × 10^6 |
Prime Factorization of 21000756
Prime Factorization 2 × 2 × 3 × 29 × 259 × 233
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10500378 | Product of the distinct prime numbers |
The prime factorization of 21000756 is 2 × 2 × 3 × 29 × 259 × 233. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 21000756)
Multiplication
n×yn×2 | 42001512 |
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n×3 | 63002268 |
n×4 | 84003024 |
n×5 | 105003780 |
Division
n÷yn÷2 | 10500378 |
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n÷3 | 7000252 |
n÷3 | 5250189 |
n÷5 | 4200151.2 |
Exponentiation
nyn2 | 441031752571536 |
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n3 | 9.2620002240072E+21 |
n4 | 1.9450900677632E+29 |
n5 | 4.0848361911119E+36 |
Nth Root
y√n2√n | 4582.658180576 |
---|---|
3√n | 275.8957283074 |
4√n | 67.695333521418 |
5√n | 29.13714436867 |
Divisors of 21000756
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 | -21000755 | 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 21000756 can be divided by 48 positive divisors. The sum of these divisors (counting 21000756) is 1, the average is 0.020833333333333.
Base conversion 21000756
Base | System | Value |
---|---|---|
2 | Binary | 1010000000111001000110100 |
3 | Ternary | 1110111221121210 |
4 | Quaternary | 1100013020310 |
5 | Quinary | 20334011011 |
6 | Senary | 2030041420 |
8 | Octal | 120071064 |
10 | Decimal | 21000756 |
12 | Duodecimal | 7049270 |
16 | Hexadecimal | 1407234 |
20 | Vigesimal | 6b51hg |
36 | Base36 | ci4ac |
Cryptographic Hash Functions
md5 | a72ed3ce8a10647e07d3ad0e74dc0608 |
---|---|
sha1 | d12d09d69266758e038c1b349945232226c43d9c |
sha256 | 284985ec3d75073ca6b7ab01256e5c2bd7eae17f4d2b9899b4852c658046fa55 |
sha512 | 7908bc0db909f078ba4af243624075429255b843ebe1a3f00791a7107b527c1b36ac71d8aa9f17bf07244b93d4f4240bce28103a19cb6a9b50b4a4680888ada1 |
ripemd-160 | ec9c3d7d289a968ff87b9dde87dff4988a675111 |
21000756 as geometric shapes
Circle
Radius = nDiameter | 42001512 |
---|---|
Circumference | 131951641.53886 |
Area | 1.3855421138786E+15 |
Sphere
Radius = nVolume | 3.8796575815051E+22 |
---|---|
Surface area | 5.5421684555143E+15 |
Circumference | 131951641.53886 |
Square
Length = nPerimeter | 84003024 |
---|---|
Area | 441031752571536 |
Diagonal | 29699553.955288 |
Cube
Length = nSurface area | 2646190515429216 |
---|---|
Volume | 9.2620002240072E+21 |
Space diagonal | 36374376.389357 |
Equilateral Triangle
Length = nPerimeter | 63002268 |
---|---|
Area | 1.9097235080126E+14 |
Altitude | 18187188.194678 |
Triangular Pyramid
Length = nSurface area | 1.9097235080126E+14 |
---|---|
Volume | 1.0915371942911E+21 |
Height | 9899851.3184294 |