638992068 (number)
638992068 is an even 9-digits composite number following 638992067 and preceding 638992069. In scientific notation, it is written as 6.38992068 × 10^8. The sum of its digits is 51. It has a total of 6 prime factors and 48 positive divisors. There are 176256000 positive integers (up to 638992068) that are relatively prime to 638992068.
Interesting facts
- 638992068 has 48 divisors, whose sum is 1257989936
- The reverse of 638992068 is 860299836
- Previous prime number is 73
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 51
- Digital Root 6
Name
Name | six hundred thirty-eight million nine hundred ninety-two thousand sixty-eight |
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Notation
Scientific notation | 6.38992068 × 10^8 |
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Engineering notation | 6.38992068 × 10^6 |
Prime Factorization of 638992068
Prime Factorization 2 × 2 × 13 × 33 × 73 × 5101
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 319496034 | Product of the distinct prime numbers |
The prime factorization of 638992068 is 2 × 2 × 13 × 33 × 73 × 5101. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638992068)
Multiplication
n×yn×2 | 1277984136 |
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n×3 | 1916976204 |
n×4 | 2555968272 |
n×5 | 3194960340 |
Division
n÷yn÷2 | 319496034 |
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n÷3 | 212997356 |
n÷3 | 159748017 |
n÷5 | 127798413.6 |
Exponentiation
nyn2 | 408310862966916624 |
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n3 | 2.6090740271409E+26 |
n4 | 1.6671776081679E+35 |
n5 | 1.0653132675665E+44 |
Nth Root
y√n2√n | 25278.292426507 |
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3√n | 861.32123754661 |
4√n | 158.99148538996 |
5√n | 57.68980798233 |
Divisors of 638992068
48 divisors
τ | Total Divisors | 48 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -638992067 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.020833333333333 | 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 | 48 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 638992068 can be divided by 48 positive divisors. The sum of these divisors (counting 638992068) is 1, the average is 0.020833333333333.
Base conversion 638992068
Base | System | Value |
---|---|---|
2 | Binary | 100110000101100011111011000100 |
3 | Ternary | 1122112101011022220 |
4 | Quaternary | 212011203323010 |
5 | Quinary | 2302040221233 |
6 | Senary | 143223452340 |
8 | Octal | 4605437304 |
10 | Decimal | 638992068 |
12 | Duodecimal | 159bb70b0 |
16 | Hexadecimal | 26163ec4 |
20 | Vigesimal | 9jde038 |
36 | Base36 | akftfo |
Cryptographic Hash Functions
md5 | 864b1ea7ba9f0ff1ff5adc0013b9a084 |
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sha1 | 4f44b29291493792a92b6a1989b3c2b32a70c639 |
sha256 | 598d20b442d6e2aaa19b6c576a11c85905b3c56dce8fdfdf3ea4968b57c09f39 |
sha512 | fb24cb1e8914f94f53376b4fc57ca34ea1b17a0f7b4f3d91fec9a87b38c317812d84caafd875ea32def783329ce26ae838f8e0964635e43c33e8d17e382ad82f |
ripemd-160 | 41a2a4296679ff478607bf985f39bacd34bedeb5 |
638992068 as geometric shapes
Circle
Radius = nDiameter | 1277984136 |
---|---|
Circumference | 4014905573.0619 |
Area | 1.2827464074778E+18 |
Sphere
Radius = nVolume | 1.0928863728451E+27 |
---|---|
Surface area | 5.1309856299111E+18 |
Circumference | 4014905573.0619 |
Square
Length = nPerimeter | 2555968272 |
---|---|
Area | 408310862966916624 |
Diagonal | 903671248.81443 |
Cube
Length = nSurface area | 2449865177801499744 |
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Volume | 2.6090740271409E+26 |
Space diagonal | 1106766727.4095 |
Equilateral Triangle
Length = nPerimeter | 1916976204 |
---|---|
Area | 1.7680378998525E+17 |
Altitude | 553383363.70475 |
Triangular Pyramid
Length = nSurface area | 1.7680378998525E+17 |
---|---|
Volume | 3.0748232286818E+25 |
Height | 301223749.60481 |