820021608 (number)
820021608 is an even 9-digits composite number following 820021607 and preceding 820021609. In scientific notation, it is written as 8.20021608 × 10^8. The sum of its digits is 27. It has a total of 8 prime factors and 96 positive divisors. There are 221911488 positive integers (up to 820021608) that are relatively prime to 820021608.
Interesting facts
- 820021608 has 96 divisors, whose sum is 2267163360
- The reverse of 820021608 is 806120028
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 27
- Digital Root 9
Name
Name | eight hundred twenty million twenty-one thousand six hundred eight |
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Notation
Scientific notation | 8.20021608 × 10^8 |
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Engineering notation | 8.20021608 × 10^6 |
Prime Factorization of 820021608
Prime Factorization 2 × 2 × 2 × 3 × 21 × 19 × 19 × 4507
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 10789758 | Product of the distinct prime numbers |
The prime factorization of 820021608 is 2 × 2 × 2 × 3 × 21 × 19 × 19 × 4507. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 820021608)
Multiplication
n×yn×2 | 1640043216 |
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n×3 | 2460064824 |
n×4 | 3280086432 |
n×5 | 4100108040 |
Division
n÷yn÷2 | 410010804 |
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n÷3 | 273340536 |
n÷3 | 205005402 |
n÷5 | 164004321.6 |
Exponentiation
nyn2 | 672435437586905664 |
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n3 | 5.514115888062E+26 |
n4 | 4.5216941772269E+35 |
n5 | 3.7078869300939E+44 |
Nth Root
y√n2√n | 28636.019416113 |
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3√n | 935.99838373598 |
4√n | 169.22180538014 |
5√n | 60.640819160055 |
Divisors of 820021608
96 divisors
τ | Total Divisors | 96 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -820021607 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.010416666666667 | 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 | 96 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 820021608 can be divided by 96 positive divisors. The sum of these divisors (counting 820021608) is 1, the average is 0.010416666666667.
Base conversion 820021608
Base | System | Value |
---|---|---|
2 | Binary | 110000111000001000100101101000 |
3 | Ternary | 2010011000102011200 |
4 | Quaternary | 300320020211220 |
5 | Quinary | 3134411142413 |
6 | Senary | 213211524200 |
8 | Octal | 6070104550 |
10 | Decimal | 820021608 |
12 | Duodecimal | 1aa759660 |
16 | Hexadecimal | 30e08968 |
20 | Vigesimal | cg52e08 |
36 | Base36 | dk7wq0 |
Cryptographic Hash Functions
md5 | 5212c7403ce532046e7969bdef4c7289 |
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sha1 | adaffa3e89d628c68ec38d02e6d5078c80c3ff4f |
sha256 | 2751a418f6320e991d9c2cb65f897bfdaa31f57c5a1aace1b219a896795b77f5 |
sha512 | eb88606657417bd886408a4bdd55881c6c3a6b050e0ed2bb0aac28bdb48c250ca0599ca5f7e1351277abff86d5f315ec8c8dc7ccb9a089925a62391f67a1f0d5 |
ripemd-160 | cde2b076beb5f6801b936d01ec64760091a5ff8d |
820021608 as geometric shapes
Circle
Radius = nDiameter | 1640043216 |
---|---|
Circumference | 5152347718.9554 |
Area | 2.1125182307365E+18 |
Sphere
Radius = nVolume | 2.3097474619971E+27 |
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Surface area | 8.4500729229458E+18 |
Circumference | 5152347718.9554 |
Square
Length = nPerimeter | 3280086432 |
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Area | 672435437586905664 |
Diagonal | 1159685679.4726 |
Cube
Length = nSurface area | 4034612625521433984 |
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Volume | 5.514115888062E+26 |
Space diagonal | 1420319088.3603 |
Equilateral Triangle
Length = nPerimeter | 2460064824 |
---|---|
Area | 2.9117308567758E+17 |
Altitude | 710159544.18016 |
Triangular Pyramid
Length = nSurface area | 2.9117308567758E+17 |
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Volume | 6.4984478944952E+25 |
Height | 386561893.15753 |