20081520 (number)
20081520 is an even 8-digits composite number following 20081519 and preceding 20081521. In scientific notation, it is written as 2.0081520 × 10^7. The sum of its digits is 18. It has a total of 9 prime factors and 80 positive divisors. There are 5349888 positive integers (up to 20081520) that are relatively prime to 20081520.
Interesting facts
- 20081520 has 80 divisors, whose sum is 58979360
- The reverse of 20081520 is 02518002
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 18
- Digital Root 9
Name
Name | twenty million eighty-one thousand five hundred twenty |
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Notation
Scientific notation | 2.0081520 × 10^7 |
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Engineering notation | 2.0081520 × 10^6 |
Prime Factorization of 20081520
Prime Factorization 2 × 2 × 2 × 2 × 45 × 3 × 3 × 3 × 1033
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 278910 | Product of the distinct prime numbers |
The prime factorization of 20081520 is 2 × 2 × 2 × 2 × 45 × 3 × 3 × 3 × 1033. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20081520)
Multiplication
n×yn×2 | 40163040 |
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n×3 | 60244560 |
n×4 | 80326080 |
n×5 | 100407600 |
Division
n÷yn÷2 | 10040760 |
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n÷3 | 6693840 |
n÷3 | 5020380 |
n÷5 | 4016304 |
Exponentiation
nyn2 | 403267445510400 |
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n3 | 8.098223272366E+21 |
n4 | 1.6262463260848E+29 |
n5 | 3.2657498122199E+36 |
Nth Root
y√n2√n | 4481.2408995723 |
---|---|
3√n | 271.81006058984 |
4√n | 66.942071222605 |
5√n | 28.877481641023 |
Divisors of 20081520
80 divisors
τ | Total Divisors | 80 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20081519 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.0125 | 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 | 80 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20081520 can be divided by 80 positive divisors. The sum of these divisors (counting 20081520) is 1, the average is 0.0125.
Base conversion 20081520
Base | System | Value |
---|---|---|
2 | Binary | 1001100100110101101110000 |
3 | Ternary | 1101210020200000 |
4 | Quaternary | 1030212231300 |
5 | Quinary | 20120102040 |
6 | Senary | 1554230000 |
8 | Octal | 114465560 |
10 | Decimal | 20081520 |
12 | Duodecimal | 6885300 |
16 | Hexadecimal | 1326b70 |
20 | Vigesimal | 65a3g0 |
36 | Base36 | byf00 |
Cryptographic Hash Functions
md5 | 97cde2bb3b9f1656cc6593b777507079 |
---|---|
sha1 | e0687044162437d787c2cb08d532be61e7212452 |
sha256 | 1b10b728d44de4257d739516ba651f8774837bb8c8af3097f9402297f49621c0 |
sha512 | ec35af9fac271297166c0c9d8f4ae9c63a0a776c90bdcf944526ac509bfb2cc16e76751de6a55bcf4bded6e128431a347f9131d8396d1fb238a0f245545452b5 |
ripemd-160 | 68b9cfe768e9308044042ae031f5ec35da0729c1 |
20081520 as geometric shapes
Circle
Radius = nDiameter | 40163040 |
---|---|
Circumference | 126175911.40983 |
Area | 1.2669020442474E+15 |
Sphere
Radius = nVolume | 3.392175831946E+22 |
---|---|
Surface area | 5.0676081769896E+15 |
Circumference | 126175911.40983 |
Square
Length = nPerimeter | 80326080 |
---|---|
Area | 403267445510400 |
Diagonal | 28399557.937067 |
Cube
Length = nSurface area | 2419604673062400 |
---|---|
Volume | 8.098223272366E+21 |
Space diagonal | 34782212.933211 |
Equilateral Triangle
Length = nPerimeter | 60244560 |
---|---|
Area | 1.7461992616563E+14 |
Altitude | 17391106.466605 |
Triangular Pyramid
Length = nSurface area | 1.7461992616563E+14 |
---|---|
Volume | 9.5438476524212E+20 |
Height | 9466519.3123555 |