20997508 (number)
20997508 is an even 8-digits composite number following 20997507 and preceding 20997509. In scientific notation, it is written as 2.0997508 × 10^7. The sum of its digits is 40. It has a total of 6 prime factors and 48 positive divisors. There are 8225280 positive integers (up to 20997508) that are relatively prime to 20997508.
Interesting facts
- 20997508 has 48 divisors, whose sum is 45763200
- The reverse of 20997508 is 80579902
- Previous prime number is 29
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 40
- Digital Root 4
Name
Name | twenty million nine hundred ninety-seven thousand five hundred eight |
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Notation
Scientific notation | 2.0997508 × 10^7 |
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Engineering notation | 2.0997508 × 10^6 |
Prime Factorization of 20997508
Prime Factorization 2 × 2 × 7 × 19 × 29 × 1361
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 10498754 | Product of the distinct prime numbers |
The prime factorization of 20997508 is 2 × 2 × 7 × 19 × 29 × 1361. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20997508)
Multiplication
n×yn×2 | 41995016 |
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n×3 | 62992524 |
n×4 | 83990032 |
n×5 | 104987540 |
Division
n÷yn÷2 | 10498754 |
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n÷3 | 6999169.3333333 |
n÷3 | 5249377 |
n÷5 | 4199501.6 |
Exponentiation
nyn2 | 440895342210064 |
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n3 | 9.2577034752186E+21 |
n4 | 1.9438870278253E+29 |
n5 | 4.0816783417858E+36 |
Nth Root
y√n2√n | 4582.3037873978 |
---|---|
3√n | 275.88150412856 |
4√n | 67.692715910929 |
5√n | 29.136243036355 |
Divisors of 20997508
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 | -20997507 | 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 20997508 can be divided by 48 positive divisors. The sum of these divisors (counting 20997508) is 1, the average is 0.020833333333333.
Base conversion 20997508
Base | System | Value |
---|---|---|
2 | Binary | 1010000000110010110000100 |
3 | Ternary | 1110111210011111 |
4 | Quaternary | 1100012112010 |
5 | Quinary | 20333410013 |
6 | Senary | 2030014404 |
8 | Octal | 120062604 |
10 | Decimal | 20997508 |
12 | Duodecimal | 7047404 |
16 | Hexadecimal | 1406584 |
20 | Vigesimal | 6b4df8 |
36 | Base36 | ci1s4 |
Cryptographic Hash Functions
md5 | 9d9487722e8a5f3fa1929c694cd1140f |
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sha1 | 97a728b8ca812561dc984601c3dc458cd4142aea |
sha256 | a2d5e3625c9a7fed09535baec5a2a57cad0f99800dd1bbe199768bf91138f417 |
sha512 | 4aab124d92b1fd11bd1ff75a0ef9324dc9651fee65cfc0a8c734a970745827c018c8ec2c5b76afb1ae29949f098d11e2a58da13a21d986e8dab3bc28e1e238f7 |
ripemd-160 | cbd9059bd6450e6b188bf1ee3e74ebe228945520 |
20997508 as geometric shapes
Circle
Radius = nDiameter | 41995016 |
---|---|
Circumference | 131931233.75299 |
Area | 1.3851135680891E+15 |
Sphere
Radius = nVolume | 3.8778577635812E+22 |
---|---|
Surface area | 5.5404542723564E+15 |
Circumference | 131931233.75299 |
Square
Length = nPerimeter | 83990032 |
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Area | 440895342210064 |
Diagonal | 29694960.589638 |
Cube
Length = nSurface area | 2645372053260384 |
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Volume | 9.2577034752186E+21 |
Space diagonal | 36368750.688334 |
Equilateral Triangle
Length = nPerimeter | 62992524 |
---|---|
Area | 1.9091328338207E+14 |
Altitude | 18184375.344167 |
Triangular Pyramid
Length = nSurface area | 1.9091328338207E+14 |
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Volume | 1.0910308175902E+21 |
Height | 9898320.1965459 |