638164928 (number)
638164928 is an even 9-digits composite number following 638164927 and preceding 638164929. In scientific notation, it is written as 6.38164928 × 10^8. The sum of its digits is 47. It has a total of 9 prime factors and 56 positive divisors. There are 313148160 positive integers (up to 638164928) that are relatively prime to 638164928.
Interesting facts
- 638164928 has 56 divisors, whose sum is 1290157440
- The reverse of 638164928 is 829461836
- Previous prime number is 131
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 47
- Digital Root 2
Name
Name | six hundred thirty-eight million one hundred sixty-four thousand nine hundred twenty-eight |
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Notation
Scientific notation | 6.38164928 × 10^8 |
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Engineering notation | 6.38164928 × 10^6 |
Prime Factorization of 638164928
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 103 × 131 × 739
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 9 | Total number of prime factors |
rad | Radical | 19942654 | Product of the distinct prime numbers |
The prime factorization of 638164928 is 2 × 2 × 2 × 2 × 2 × 2 × 103 × 131 × 739. Since it has a total of 9 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638164928)
Multiplication
n×yn×2 | 1276329856 |
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n×3 | 1914494784 |
n×4 | 2552659712 |
n×5 | 3190824640 |
Division
n÷yn÷2 | 319082464 |
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n÷3 | 212721642.66667 |
n÷3 | 159541232 |
n÷5 | 127632985.6 |
Exponentiation
nyn2 | 407254475329245184 |
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n3 | 2.5989552292617E+26 |
n4 | 1.658562076757E+35 |
n5 | 1.0584361482972E+44 |
Nth Root
y√n2√n | 25261.926450689 |
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3√n | 860.9494327897 |
4√n | 158.94000896781 |
5√n | 57.674864988054 |
Divisors of 638164928
56 divisors
τ | Total Divisors | 56 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -638164927 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.017857142857143 | 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 | 56 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 638164928 can be divided by 56 positive divisors. The sum of these divisors (counting 638164928) is 1, the average is 0.017857142857143.
Base conversion 638164928
Base | System | Value |
---|---|---|
2 | Binary | 100110000010011001111111000000 |
3 | Ternary | 1122110211010201002 |
4 | Quaternary | 212002121333000 |
5 | Quinary | 2301332234203 |
6 | Senary | 143154031132 |
8 | Octal | 4602317700 |
10 | Decimal | 638164928 |
12 | Duodecimal | 1598784a8 |
16 | Hexadecimal | 26099fc0 |
20 | Vigesimal | 9j8ac68 |
36 | Base36 | ajy37k |
Cryptographic Hash Functions
md5 | 32814880c7808656cfd886edfb580c35 |
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sha1 | dd1511272c5c8360273041e1c9f1685f124b5efa |
sha256 | 4185e1e3a9ef30638e90469ec8d1a88e5fcf8d963b122cd624f89ba659dbaa1e |
sha512 | 40b70e096b9e38a1f84a1198792b2882fcadd5b194090af4d825ee8d2c3116a2bb0ca10e6fc2adf495fbd9ae79a3d1148b6c748f63841bdd05e0a4806fb3e2f3 |
ripemd-160 | 07b6526f0f2c88b94120b249c06530404f17c832 |
638164928 as geometric shapes
Circle
Radius = nDiameter | 1276329856 |
---|---|
Circumference | 4009708499.1669 |
Area | 1.2794276678359E+18 |
Sphere
Radius = nVolume | 1.088647820701E+27 |
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Surface area | 5.1177106713437E+18 |
Circumference | 4009708499.1669 |
Square
Length = nPerimeter | 2552659712 |
---|---|
Area | 407254475329245184 |
Diagonal | 902501496.20845 |
Cube
Length = nSurface area | 2443526851975471104 |
---|---|
Volume | 2.5989552292617E+26 |
Space diagonal | 1105334078.9045 |
Equilateral Triangle
Length = nPerimeter | 1914494784 |
---|---|
Area | 1.7634636072001E+17 |
Altitude | 552667039.45227 |
Triangular Pyramid
Length = nSurface area | 1.7634636072001E+17 |
---|---|
Volume | 3.0628981110186E+25 |
Height | 300833832.06948 |