20091008 (number)
20091008 is an even 8-digits composite number following 20091007 and preceding 20091009. In scientific notation, it is written as 2.0091008 × 10^7. The sum of its digits is 20. It has a total of 10 prime factors and 64 positive divisors. There are 8097792 positive integers (up to 20091008) that are relatively prime to 20091008.
Interesting facts
- 20091008 has 64 divisors, whose sum is 48470400
- The reverse of 20091008 is 80019002
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 20
- Digital Root 2
Name
Name | twenty million ninety-one thousand eight |
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Notation
Scientific notation | 2.0091008 × 10^7 |
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Engineering notation | 2.0091008 × 10^6 |
Prime Factorization of 20091008
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 17 × 1319
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 313922 | Product of the distinct prime numbers |
The prime factorization of 20091008 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 17 × 1319. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20091008)
Multiplication
n×yn×2 | 40182016 |
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n×3 | 60273024 |
n×4 | 80364032 |
n×5 | 100455040 |
Division
n÷yn÷2 | 10045504 |
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n÷3 | 6697002.6666667 |
n÷3 | 5022752 |
n÷5 | 4018201.6 |
Exponentiation
nyn2 | 403648602456064 |
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n3 | 8.1097073011336E+21 |
n4 | 1.6293219426473E+29 |
n5 | 3.2734720184303E+36 |
Nth Root
y√n2√n | 4482.2994099011 |
---|---|
3√n | 271.8528615963 |
4√n | 66.949976922335 |
5√n | 28.880209898439 |
Divisors of 20091008
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 | -20091007 | 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 20091008 can be divided by 64 positive divisors. The sum of these divisors (counting 20091008) is 1, the average is 0.015625.
Base conversion 20091008
Base | System | Value |
---|---|---|
2 | Binary | 1001100101001000010000000 |
3 | Ternary | 1101210201200102 |
4 | Quaternary | 1030221002000 |
5 | Quinary | 20120403013 |
6 | Senary | 1554341532 |
8 | Octal | 114510200 |
10 | Decimal | 20091008 |
12 | Duodecimal | 688a8a8 |
16 | Hexadecimal | 1329080 |
20 | Vigesimal | 65b7a8 |
36 | Base36 | bymbk |
Cryptographic Hash Functions
md5 | a3bb3ed9d348aff38e9a385d3d4b8055 |
---|---|
sha1 | cc5ac28341e5bd6e70dd235d6764f13137da017b |
sha256 | fb83f9896443b09b886e035845d8508298eac2bb9cad8313aa7ea046df6fff94 |
sha512 | 28742e127ae35c2ca157827eba3301a9936ba0b2739696a46b99b5f74d7f475bd030dd35e6bfbaccef0bb852d26846c355cab310ceaad8b5021bf0df67ace5dd |
ripemd-160 | 5619330e612f6bd54bbad7fa28ca8f6e83310840 |
20091008 as geometric shapes
Circle
Radius = nDiameter | 40182016 |
---|---|
Circumference | 126235526.27203 |
Area | 1.2680994841078E+15 |
Sphere
Radius = nVolume | 3.3969862506673E+22 |
---|---|
Surface area | 5.072397936431E+15 |
Circumference | 126235526.27203 |
Square
Length = nPerimeter | 80364032 |
---|---|
Area | 403648602456064 |
Diagonal | 28412975.995346 |
Cube
Length = nSurface area | 2421891614736384 |
---|---|
Volume | 8.1097073011336E+21 |
Space diagonal | 34798646.631273 |
Equilateral Triangle
Length = nPerimeter | 60273024 |
---|---|
Area | 1.7478497196452E+14 |
Altitude | 17399323.315636 |
Triangular Pyramid
Length = nSurface area | 1.7478497196452E+14 |
---|---|
Volume | 9.557381710116E+20 |
Height | 9470991.9984488 |