638564872 (number)
638564872 is an even 9-digits composite number following 638564871 and preceding 638564873. In scientific notation, it is written as 6.38564872 × 10^8. The sum of its digits is 49. It has a total of 7 prime factors and 64 positive divisors. There are 283299840 positive integers (up to 638564872) that are relatively prime to 638564872.
Interesting facts
- 638564872 has 64 divisors, whose sum is 1337860800
- The reverse of 638564872 is 278465836
- Previous prime number is 107
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 49
- Digital Root 4
Name
Name | six hundred thirty-eight million five hundred sixty-four thousand eight hundred seventy-two |
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Notation
Scientific notation | 6.38564872 × 10^8 |
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Engineering notation | 6.38564872 × 10^6 |
Prime Factorization of 638564872
Prime Factorization 2 × 2 × 2 × 11 × 73 × 107 × 929
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 159641218 | Product of the distinct prime numbers |
The prime factorization of 638564872 is 2 × 2 × 2 × 11 × 73 × 107 × 929. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638564872)
Multiplication
n×yn×2 | 1277129744 |
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n×3 | 1915694616 |
n×4 | 2554259488 |
n×5 | 3192824360 |
Division
n÷yn÷2 | 319282436 |
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n÷3 | 212854957.33333 |
n÷3 | 159641218 |
n÷5 | 127712974.4 |
Exponentiation
nyn2 | 407765095752376384 |
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n3 | 2.6038446617518E+26 |
n4 | 1.6627237331394E+35 |
n5 | 1.0617569678236E+44 |
Nth Root
y√n2√n | 25269.841155021 |
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3√n | 861.12925028302 |
4√n | 158.96490541947 |
5√n | 57.682092253267 |
Divisors of 638564872
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 | -638564871 | 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 638564872 can be divided by 64 positive divisors. The sum of these divisors (counting 638564872) is 1, the average is 0.015625.
Base conversion 638564872
Base | System | Value |
---|---|---|
2 | Binary | 100110000011111011101000001000 |
3 | Ternary | 1122111120110022211 |
4 | Quaternary | 212003323220020 |
5 | Quinary | 2301433033442 |
6 | Senary | 143210354504 |
8 | Octal | 4603735010 |
10 | Decimal | 638564872 |
12 | Duodecimal | 159a2ba34 |
16 | Hexadecimal | 260fba08 |
20 | Vigesimal | 9jb0c3c |
36 | Base36 | ak6nt4 |
Cryptographic Hash Functions
md5 | bac4d649cee0426a83df9c48e204a23e |
---|---|
sha1 | 489e01a4e246cf764ac2fe4f3c97a18958421b11 |
sha256 | 3006ef6850749dcced2eec6b2a865e12649e1a6e52aaf24e39a77ea6e9cabd5a |
sha512 | 9bbc8f1ac927e2883ea54de7a51cf0779b24ca6da7e494989f34cf3ee7351a9d75aaba8c898fffd353e809647db131de2339ad169d9b85b9ab5a509415035ce2 |
ripemd-160 | c12be6002c72dbb9d54f312caec94dee79c0aff2 |
638564872 as geometric shapes
Circle
Radius = nDiameter | 1277129744 |
---|---|
Circumference | 4012221421.4314 |
Area | 1.281031829206E+18 |
Sphere
Radius = nVolume | 1.0906959013931E+27 |
---|---|
Surface area | 5.124127316824E+18 |
Circumference | 4012221421.4314 |
Square
Length = nPerimeter | 2554259488 |
---|---|
Area | 407765095752376384 |
Diagonal | 903067102.43744 |
Cube
Length = nSurface area | 2446590574514258304 |
---|---|
Volume | 2.6038446617518E+26 |
Space diagonal | 1106026802.2327 |
Equilateral Triangle
Length = nPerimeter | 1915694616 |
---|---|
Area | 1.7656746584908E+17 |
Altitude | 553013401.11636 |
Triangular Pyramid
Length = nSurface area | 1.7656746584908E+17 |
---|---|
Volume | 3.0686603624685E+25 |
Height | 301022367.47915 |