205520021 (number)
205520021 is an odd 9-digits composite number following 205520020 and preceding 205520022. In scientific notation, it is written as 2.05520021 × 10^8. The sum of its digits is 17. It has a total of 5 prime factors and 32 positive divisors. There are 161289216 positive integers (up to 205520021) that are relatively prime to 205520021.
Interesting facts
- 205520021 has 32 divisors, whose sum is 255571200
- The reverse of 205520021 is 120025502
- Previous prime number is 173
Basic properties
- Is Prime? no
- Number parity odd
- Number length 9
- Sum of Digits 17
- Digital Root 8
Name
Name | two hundred five million five hundred twenty thousand twenty-one |
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Notation
Scientific notation | 2.05520021 × 10^8 |
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Engineering notation | 2.05520021 × 10^6 |
Prime Factorization of 205520021
Prime Factorization 7 × 17 × 67 × 173 × 149
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 5 | Total number of prime factors |
rad | Radical | 205520021 | Product of the distinct prime numbers |
The prime factorization of 205520021 is 7 × 17 × 67 × 173 × 149. Since it has a total of 5 prime factors.
Most popular turbo-numbers
Basic calculations (n = 205520021)
Multiplication
n×yn×2 | 411040042 |
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n×3 | 616560063 |
n×4 | 822080084 |
n×5 | 1027600105 |
Division
n÷yn÷2 | 102760010.5 |
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n÷3 | 68506673.666667 |
n÷3 | 51380005.25 |
n÷5 | 41104004.2 |
Exponentiation
nyn2 | 42238479031840441 |
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n3 | 8.6808530976319E+24 |
n4 | 1.7840891109232E+33 |
n5 | 3.6666603154281E+41 |
Nth Root
y√n2√n | 14335.969482389 |
---|---|
3√n | 590.13500788616 |
4√n | 119.73290893647 |
5√n | 45.980196944446 |
Divisors of 205520021
32 divisors
τ | Total Divisors | 32 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -205520020 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.03125 | 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 | 32 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 205520021 can be divided by 32 positive divisors. The sum of these divisors (counting 205520021) is 1, the average is 0.03125.
Base conversion 205520021
Base | System | Value |
---|---|---|
2 | Binary | 1100001111111111110010010101 |
3 | Ternary | 112022201111110122 |
4 | Quaternary | 30033333302111 |
5 | Quinary | 410103120041 |
6 | Senary | 32221001325 |
8 | Octal | 1417776225 |
10 | Decimal | 205520021 |
12 | Duodecimal | 589b3245 |
16 | Hexadecimal | c3ffc95 |
20 | Vigesimal | 344a011 |
36 | Base36 | 3ed09h |
Cryptographic Hash Functions
md5 | 1d8a336e4a47f703eafbf59a9563d186 |
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sha1 | a540864cda71f9e6e2361b7017f48ed6aa9bf1bd |
sha256 | 4eb2664748c150cd69955907b240cb5437480d2cb7b64664b447924032b5c3e1 |
sha512 | eddaeadc3b624e96344c86adce2b2c7e61291a0875b223ec004d9619c7297093762b5a0679cc0313386813e502b1ce784b744ac8998a0ab06e8afe019c55ff2f |
ripemd-160 | 2a671ac398adc6b09de8b8de5f36d9af57d7cc42 |
205520021 as geometric shapes
Circle
Radius = nDiameter | 411040042 |
---|---|
Circumference | 1291320376.2784 |
Area | 1.3269609542524E+17 |
Sphere
Radius = nVolume | 3.636227242455E+25 |
---|---|
Surface area | 5.3078438170095E+17 |
Circumference | 1291320376.2784 |
Square
Length = nPerimeter | 822080084 |
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Area | 42238479031840441 |
Diagonal | 290649201.0374 |
Cube
Length = nSurface area | 253430874191042646 |
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Volume | 8.6808530976319E+24 |
Space diagonal | 355971118.34462 |
Equilateral Triangle
Length = nPerimeter | 616560063 |
---|---|
Area | 1.8289797929395E+16 |
Altitude | 177985559.17231 |
Triangular Pyramid
Length = nSurface area | 1.8289797929395E+16 |
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Volume | 1.0230483486366E+24 |
Height | 96883067.012468 |