821428090 (number)
821428090 is an even 9-digits composite number following 821428089 and preceding 821428091. In scientific notation, it is written as 8.21428090 × 10^8. The sum of its digits is 34. It has a total of 6 prime factors and 64 positive divisors. There are 274029120 positive integers (up to 821428090) that are relatively prime to 821428090.
Interesting facts
- 821428090 has 64 divisors, whose sum is 1736017920
- The reverse of 821428090 is 090824128
- Previous prime number is 103
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 34
- Digital Root 7
Name
Name | eight hundred twenty-one million four hundred twenty-eight thousand ninety |
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Notation
Scientific notation | 8.21428090 × 10^8 |
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Engineering notation | 8.21428090 × 10^6 |
Prime Factorization of 821428090
Prime Factorization 2 × 7 × 5 × 59 × 103 × 1931
Composite numberω | Distinct Factors | 6 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 821428090 | Product of the distinct prime numbers |
The prime factorization of 821428090 is 2 × 7 × 5 × 59 × 103 × 1931. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 821428090)
Multiplication
n×yn×2 | 1642856180 |
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n×3 | 2464284270 |
n×4 | 3285712360 |
n×5 | 4107140450 |
Division
n÷yn÷2 | 410714045 |
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n÷3 | 273809363.33333 |
n÷3 | 205357022.5 |
n÷5 | 164285618 |
Exponentiation
nyn2 | 674744107041048100 |
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n3 | 5.5425376308548E+26 |
n4 | 4.5527960998662E+35 |
n5 | 3.7397946044726E+44 |
Nth Root
y√n2√n | 28660.56681226 |
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3√n | 936.53321230051 |
4√n | 169.29432008269 |
5√n | 60.661606847796 |
Divisors of 821428090
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -821428089 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 821428090 can be divided by 64 positive divisors. The sum of these divisors (counting 821428090) is 1, the average is 0.015625.
Base conversion 821428090
Base | System | Value |
---|---|---|
2 | Binary | 110000111101011111111101111010 |
3 | Ternary | 2010020122212111121 |
4 | Quaternary | 300331133331322 |
5 | Quinary | 3140241144330 |
6 | Senary | 213302015454 |
8 | Octal | 6075377572 |
10 | Decimal | 821428090 |
12 | Duodecimal | 1ab11758a |
16 | Hexadecimal | 30f5ff7a |
20 | Vigesimal | cgdia4a |
36 | Base36 | dl21yy |
Cryptographic Hash Functions
md5 | d72b0dcdeeb8121869c8d8bb8bfc0a97 |
---|---|
sha1 | 209baac1bc81466da07d504f30783c598e6ca4c6 |
sha256 | c7f03b601b98c3de70ef6f775e50ed4b52eaa74050c86680974d56567ba60193 |
sha512 | 4daa58c85e6f296d2a5d92a44077792ef0d06c9f533730c0909a1a97cd682d951b0059ea742a1035d7cf1362f16e6ea891ff0cc4b3e79d71b800691db3f7cfad |
ripemd-160 | 9e74b1132933161a31b75645c16e4c3f8ce0293d |
821428090 as geometric shapes
Circle
Radius = nDiameter | 1642856180 |
---|---|
Circumference | 5161184905.9926 |
Area | 2.1197711297332E+18 |
Sphere
Radius = nVolume | 2.3216527337785E+27 |
---|---|
Surface area | 8.4790845189326E+18 |
Circumference | 5161184905.9926 |
Square
Length = nPerimeter | 3285712360 |
---|---|
Area | 674744107041048100 |
Diagonal | 1161674745.3922 |
Cube
Length = nSurface area | 4048464642246288600 |
---|---|
Volume | 5.5425376308548E+26 |
Space diagonal | 1422755186.6443 |
Equilateral Triangle
Length = nPerimeter | 2464284270 |
---|---|
Area | 2.921727688757E+17 |
Altitude | 711377593.32213 |
Triangular Pyramid
Length = nSurface area | 2.921727688757E+17 |
---|---|
Volume | 6.5319432395985E+25 |
Height | 387224915.13074 |