642788520 (number)
642788520 is an even 9-digits composite number following 642788519 and preceding 642788521. In scientific notation, it is written as 6.42788520 × 10^8. The sum of its digits is 42. It has a total of 7 prime factors and 64 positive divisors. There are 153923840 positive integers (up to 642788520) that are relatively prime to 642788520.
Interesting facts
- 642788520 has 64 divisors, whose sum is 1656184320
- The reverse of 642788520 is 025887246
- Previous prime number is 83
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 42
- Digital Root 6
Name
Name | six hundred forty-two million seven hundred eighty-eight thousand five hundred twenty |
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Notation
Scientific notation | 6.42788520 × 10^8 |
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Engineering notation | 6.42788520 × 10^6 |
Prime Factorization of 642788520
Prime Factorization 2 × 2 × 2 × 3 × 55 × 83 × 5867
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 160697130 | Product of the distinct prime numbers |
The prime factorization of 642788520 is 2 × 2 × 2 × 3 × 55 × 83 × 5867. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 642788520)
Multiplication
n×yn×2 | 1285577040 |
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n×3 | 1928365560 |
n×4 | 2571154080 |
n×5 | 3213942600 |
Division
n÷yn÷2 | 321394260 |
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n÷3 | 214262840 |
n÷3 | 160697130 |
n÷5 | 128557704 |
Exponentiation
nyn2 | 413177081443790400 |
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n3 | 2.6558548467917E+26 |
n4 | 1.7071530063041E+35 |
n5 | 1.0973383543358E+44 |
Nth Root
y√n2√n | 25353.274344747 |
---|---|
3√n | 863.02366351188 |
4√n | 159.2271156077 |
5√n | 57.758196291721 |
Divisors of 642788520
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -642788519 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | 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 | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 642788520 can be divided by 64 positive divisors. The sum of these divisors (counting 642788520) is 1, the average is 0.015625.
Base conversion 642788520
Base | System | Value |
---|---|---|
2 | Binary | 100110010100000010110010101000 |
3 | Ternary | 1122210112001002020 |
4 | Quaternary | 212110002302220 |
5 | Quinary | 2304023213040 |
6 | Senary | 143441104440 |
8 | Octal | 4624026250 |
10 | Decimal | 642788520 |
12 | Duodecimal | 15b328120 |
16 | Hexadecimal | 26502ca8 |
20 | Vigesimal | a0h8b60 |
36 | Base36 | amp6so |
Cryptographic Hash Functions
md5 | 101a1c6362b1f71fc672792146aac465 |
---|---|
sha1 | 4756a55afad6c70604132028a3c82792fe4a5d1f |
sha256 | 3535f7bcaea5a29d317fe7cb4143670083ce5b931788a7b4df743250bbd06511 |
sha512 | 5bb3c5ef268237e0b4c40662c18bdc1a4466626683baed75ecb83be9f896737ada9f628bbcbdc124c27d4fe7071fa8ee3c107aa1438fdec22e5a66e564271c28 |
ripemd-160 | 71148dccd1a8af1a737bae929a47b9abb03de8bd |
642788520 as geometric shapes
Circle
Radius = nDiameter | 1285577040 |
---|---|
Circumference | 4038759384.4877 |
Area | 1.2980340836955E+18 |
Sphere
Radius = nVolume | 1.1124818767576E+27 |
---|---|
Surface area | 5.1921363347819E+18 |
Circumference | 4038759384.4877 |
Square
Length = nPerimeter | 2571154080 |
---|---|
Area | 413177081443790400 |
Diagonal | 909040242.72173 |
Cube
Length = nSurface area | 2479062488662742400 |
---|---|
Volume | 2.6558548467917E+26 |
Space diagonal | 1113342375.162 |
Equilateral Triangle
Length = nPerimeter | 1928365560 |
---|---|
Area | 1.7891092439592E+17 |
Altitude | 556671187.581 |
Triangular Pyramid
Length = nSurface area | 1.7891092439592E+17 |
---|---|
Volume | 3.129954953356E+25 |
Height | 303013414.24058 |