20807748 (number)
20807748 is an even 8-digits composite number following 20807747 and preceding 20807749. In scientific notation, it is written as 2.0807748 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 6340608 positive integers (up to 20807748) that are relatively prime to 20807748.
Interesting facts
- 20807748 has 72 divisors, whose sum is 57192408
- The reverse of 20807748 is 84770802
- Previous prime number is 257
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 36
- Digital Root 9
Name
Name | twenty million eight hundred seven thousand seven hundred forty-eight |
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Notation
Scientific notation | 2.0807748 × 10^7 |
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Engineering notation | 2.0807748 × 10^6 |
Prime Factorization of 20807748
Prime Factorization 2 × 2 × 3 × 3 × 13 × 257 × 173
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 3467958 | Product of the distinct prime numbers |
The prime factorization of 20807748 is 2 × 2 × 3 × 3 × 13 × 257 × 173. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20807748)
Multiplication
n×yn×2 | 41615496 |
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n×3 | 62423244 |
n×4 | 83230992 |
n×5 | 104038740 |
Division
n÷yn÷2 | 10403874 |
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n÷3 | 6935916 |
n÷3 | 5201937 |
n÷5 | 4161549.6 |
Exponentiation
nyn2 | 432962376831504 |
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n3 | 9.008972030591E+21 |
n4 | 1.8745641975159E+29 |
n5 | 3.9005459431732E+36 |
Nth Root
y√n2√n | 4561.5510519997 |
---|---|
3√n | 275.04791671925 |
4√n | 67.539255636998 |
5√n | 29.083389250391 |
Divisors of 20807748
72 divisors
τ | Total Divisors | 72 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20807747 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.013888888888889 | 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 | 72 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20807748 can be divided by 72 positive divisors. The sum of these divisors (counting 20807748) is 1, the average is 0.013888888888889.
Base conversion 20807748
Base | System | Value |
---|---|---|
2 | Binary | 1001111011000000001000100 |
3 | Ternary | 1110011010212100 |
4 | Quaternary | 1033120001010 |
5 | Quinary | 20311321443 |
6 | Senary | 2021552100 |
8 | Octal | 117300104 |
10 | Decimal | 20807748 |
12 | Duodecimal | 6b75630 |
16 | Hexadecimal | 13d8044 |
20 | Vigesimal | 6a0j78 |
36 | Base36 | cdzd0 |
Cryptographic Hash Functions
md5 | 9cc63963d86cce3f5dd620223b0cc90d |
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sha1 | 4539bd71eb01d99d41702d1bc78c99d7fae733c5 |
sha256 | 788edab992410ec0896e715ecd80fb613497a779099f3a7ca380fac973b7f4b2 |
sha512 | ffdd57f6b4748fa5f54476690da89773269eea83fcca055caeac913a2c73a70d359901f8c40a4c8860cdbd8d7fa4d79b79172c16d42d9074ade468b1b0b959ca |
ripemd-160 | 20344f50391553f88b76a2d3e5ce4e5dd5122d1e |
20807748 as geometric shapes
Circle
Radius = nDiameter | 41615496 |
---|---|
Circumference | 130738936.5091 |
Area | 1.3601914223346E+15 |
Sphere
Radius = nVolume | 3.7736693796934E+22 |
---|---|
Surface area | 5.4407656893385E+15 |
Circumference | 130738936.5091 |
Square
Length = nPerimeter | 83230992 |
---|---|
Area | 432962376831504 |
Diagonal | 29426599.424042 |
Cube
Length = nSurface area | 2597774260989024 |
---|---|
Volume | 9.008972030591E+21 |
Space diagonal | 36040076.72709 |
Equilateral Triangle
Length = nPerimeter | 62423244 |
---|---|
Area | 1.8747820860949E+14 |
Altitude | 18020038.363545 |
Triangular Pyramid
Length = nSurface area | 1.8747820860949E+14 |
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Volume | 1.0617175357251E+21 |
Height | 9808866.4746805 |