638867072 (number)
638867072 is an even 9-digits composite number following 638867071 and preceding 638867073. In scientific notation, it is written as 6.38867072 × 10^8. The sum of its digits is 47. It has a total of 10 prime factors and 64 positive divisors. There are 299397120 positive integers (up to 638867072) that are relatively prime to 638867072.
Interesting facts
- 638867072 has 64 divisors, whose sum is 1353205440
- The reverse of 638867072 is 270768836
- Previous prime number is 887
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 eight hundred sixty-seven thousand seventy-two |
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Notation
Scientific notation | 6.38867072 × 10^8 |
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Engineering notation | 6.38867072 × 10^6 |
Prime Factorization of 638867072
Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 887 × 331
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 10 | Total number of prime factors |
rad | Radical | 9982298 | Product of the distinct prime numbers |
The prime factorization of 638867072 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 17 × 887 × 331. Since it has a total of 10 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638867072)
Multiplication
n×yn×2 | 1277734144 |
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n×3 | 1916601216 |
n×4 | 2555468288 |
n×5 | 3194335360 |
Division
n÷yn÷2 | 319433536 |
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n÷3 | 212955690.66667 |
n÷3 | 159716768 |
n÷5 | 127773414.4 |
Exponentiation
nyn2 | 408151135685853184 |
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n3 | 2.607543209891E+26 |
n4 | 1.6658734956165E+35 |
n5 | 1.0642717224669E+44 |
Nth Root
y√n2√n | 25275.819907572 |
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3√n | 861.2650716276 |
4√n | 158.98370956665 |
5√n | 57.687550815177 |
Divisors of 638867072
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 | -638867071 | 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 638867072 can be divided by 64 positive divisors. The sum of these divisors (counting 638867072) is 1, the average is 0.015625.
Base conversion 638867072
Base | System | Value |
---|---|---|
2 | Binary | 100110000101000101011010000000 |
3 | Ternary | 1122112010210212102 |
4 | Quaternary | 212011011122000 |
5 | Quinary | 2302022221242 |
6 | Senary | 143221045532 |
8 | Octal | 4605053200 |
10 | Decimal | 638867072 |
12 | Duodecimal | 159b568a8 |
16 | Hexadecimal | 26145680 |
20 | Vigesimal | 9jci7dc |
36 | Base36 | akd4zk |
Cryptographic Hash Functions
md5 | 23cfb3b59318d3f48185944879b420b5 |
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sha1 | fe3487e6446ab56cd962eac4367adbc1a628336f |
sha256 | 1d01d551ad8d3013b68c15a6a12b22eafa1e8c2e530bdf17111dd69bf3018fb4 |
sha512 | 4a6cd5013c5367176e710f42f98e2f8df578f7b38fc083429cc88667490ffd1d2d5c70f5a2ee9ea90e89ce3439daa382f66f4a510b1408497a05d796d0006548 |
ripemd-160 | 9f2a4ee5e51c00b40de6ea0b116fe26583d2c001 |
638867072 as geometric shapes
Circle
Radius = nDiameter | 1277734144 |
---|---|
Circumference | 4014120200.0312 |
Area | 1.282244609425E+18 |
Sphere
Radius = nVolume | 1.0922451456149E+27 |
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Surface area | 5.1289784377E+18 |
Circumference | 4014120200.0312 |
Square
Length = nPerimeter | 2555468288 |
---|---|
Area | 408151135685853184 |
Diagonal | 903494477.77599 |
Cube
Length = nSurface area | 2448906814115119104 |
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Volume | 2.607543209891E+26 |
Space diagonal | 1106550227.9868 |
Equilateral Triangle
Length = nPerimeter | 1916601216 |
---|---|
Area | 1.7673462604371E+17 |
Altitude | 553275113.99338 |
Triangular Pyramid
Length = nSurface area | 1.7673462604371E+17 |
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Volume | 3.0730191432514E+25 |
Height | 301164825.92533 |