20405525 (number)
20405525 is an odd 8-digits composite number following 20405524 and preceding 20405526. In scientific notation, it is written as 2.0405525 × 10^7. The sum of its digits is 23. It has a total of 7 prime factors and 48 positive divisors. There are 12476160 positive integers (up to 20405525) that are relatively prime to 20405525.
Interesting facts
- 20405525 has 48 divisors, whose sum is 32319360
- The reverse of 20405525 is 52550402
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity odd
- Number length 8
- Sum of Digits 23
- Digital Root 5
Name
Name | twenty million four hundred five thousand five hundred twenty-five |
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Notation
Scientific notation | 2.0405525 × 10^7 |
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Engineering notation | 2.0405525 × 10^6 |
Prime Factorization of 20405525
Prime Factorization 5 × 5 × 7 × 17 × 19 × 19 × 19
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 11305 | Product of the distinct prime numbers |
The prime factorization of 20405525 is 5 × 5 × 7 × 17 × 19 × 19 × 19. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20405525)
Multiplication
n×yn×2 | 40811050 |
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n×3 | 61216575 |
n×4 | 81622100 |
n×5 | 102027625 |
Division
n÷yn÷2 | 10202762.5 |
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n÷3 | 6801841.6666667 |
n÷3 | 5101381.25 |
n÷5 | 4081105 |
Exponentiation
nyn2 | 416385450525625 |
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n3 | 8.4965637203369E+21 |
n4 | 1.7337684340943E+29 |
n5 | 3.5378455126122E+36 |
Nth Root
y√n2√n | 4517.2475026281 |
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3√n | 273.26410683245 |
4√n | 67.2104716739 |
5√n | 28.970070667029 |
Divisors of 20405525
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 | -20405524 | 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 20405525 can be divided by 48 positive divisors. The sum of these divisors (counting 20405525) is 1, the average is 0.020833333333333.
Base conversion 20405525
Base | System | Value |
---|---|---|
2 | Binary | 1001101110101110100010101 |
3 | Ternary | 1102101201010012 |
4 | Quaternary | 1031311310111 |
5 | Quinary | 20210434100 |
6 | Senary | 2005210005 |
8 | Octal | 115656425 |
10 | Decimal | 20405525 |
12 | Duodecimal | 6a00905 |
16 | Hexadecimal | 1375d15 |
20 | Vigesimal | 67adg5 |
36 | Base36 | c5d05 |
Cryptographic Hash Functions
md5 | 36a09aafdf1f8cef9f9fe6135c9d1f86 |
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sha1 | 730bfdbde763d5fe55e56a66662bdcc005f0cfa8 |
sha256 | d09f503f7521d67b1360c501338ba44098761a67868196199917a84fced496a0 |
sha512 | e8213e9a501a32b08e13186ffbeab151b4c9ee81fda26b908bbb0ba900a816b14d4ce00d138dfd02648fd48be4a7863ebc03fa719046081708b876e3bb59270f |
ripemd-160 | 95109eddf9ca66a7d237317752ea51458a993934 |
20405525 as geometric shapes
Circle
Radius = nDiameter | 40811050 |
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Circumference | 128211694.86529 |
Area | 1.308113472433E+15 |
Sphere
Radius = nVolume | 3.5590322886091E+22 |
---|---|
Surface area | 5.2324538897319E+15 |
Circumference | 128211694.86529 |
Square
Length = nPerimeter | 81622100 |
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Area | 416385450525625 |
Diagonal | 28857770.202343 |
Cube
Length = nSurface area | 2498312703153750 |
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Volume | 8.4965637203369E+21 |
Space diagonal | 35343406.055117 |
Equilateral Triangle
Length = nPerimeter | 61216575 |
---|---|
Area | 1.8030018896071E+14 |
Altitude | 17671703.027558 |
Triangular Pyramid
Length = nSurface area | 1.8030018896071E+14 |
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Volume | 1.001329637239E+21 |
Height | 9619256.7341144 |