638943072 (number)
638943072 is an even 9-digits composite number following 638943071 and preceding 638943073. In scientific notation, it is written as 6.38943072 × 10^8. The sum of its digits is 42. It has a total of 8 prime factors and 48 positive divisors. There are 212447232 positive integers (up to 638943072) that are relatively prime to 638943072.
Interesting facts
- 638943072 has 48 divisors, whose sum is 1681429680
- The reverse of 638943072 is 270349836
- Previous prime number is 409
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 42
- Digital Root 6
Name
Name | six hundred thirty-eight million nine hundred forty-three thousand seventy-two |
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Notation
Scientific notation | 6.38943072 × 10^8 |
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Engineering notation | 6.38943072 × 10^6 |
Prime Factorization of 638943072
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 409 × 16273
Composite numberω | Distinct Factors | 4 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 8 | Total number of prime factors |
rad | Radical | 39933942 | Product of the distinct prime numbers |
The prime factorization of 638943072 is 2 × 2 × 2 × 2 × 2 × 3 × 409 × 16273. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638943072)
Multiplication
n×yn×2 | 1277886144 |
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n×3 | 1916829216 |
n×4 | 2555772288 |
n×5 | 3194715360 |
Division
n÷yn÷2 | 319471536 |
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n÷3 | 212981024 |
n÷3 | 159735768 |
n÷5 | 127788614.4 |
Exponentiation
nyn2 | 408248249256797184 |
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n3 | 2.6084739051876E+26 |
n4 | 1.6666663302124E+35 |
n5 | 1.0649049050249E+44 |
Nth Root
y√n2√n | 25277.323276012 |
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3√n | 861.29922247207 |
4√n | 158.98843755447 |
5√n | 57.688923258819 |
Divisors of 638943072
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 | -638943071 | 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 638943072 can be divided by 48 positive divisors. The sum of these divisors (counting 638943072) is 1, the average is 0.020833333333333.
Base conversion 638943072
Base | System | Value |
---|---|---|
2 | Binary | 100110000101010111111101100000 |
3 | Ternary | 1122112021200010020 |
4 | Quaternary | 212011113331200 |
5 | Quinary | 2302032134242 |
6 | Senary | 143222433440 |
8 | Octal | 4605277540 |
10 | Decimal | 638943072 |
12 | Duodecimal | 159b92880 |
16 | Hexadecimal | 26157f60 |
20 | Vigesimal | 9jd7hdc |
36 | Base36 | akermo |
Cryptographic Hash Functions
md5 | 850fe8f9c081c9d4d7aa88b0dea4c3a8 |
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sha1 | d1f37b7745b0807933b39dde0d1590f203a3ead7 |
sha256 | 89c4cec62e7c9abd97675830245f84a599ebf791923e08aa2efcd2cabfb1c06e |
sha512 | e735ff5f2d1220d0e0843967bce9e411c127c74d0ccdcc1d2c438009c9bf41117e09d991795d2690ae11692df6c1d12154dc97fe98db344f34b7723c000ba75c |
ripemd-160 | d70bc254d0557ef27fbc05550358a9db6f58acd2 |
638943072 as geometric shapes
Circle
Radius = nDiameter | 1277886144 |
---|---|
Circumference | 4014597722.1146 |
Area | 1.282549700706E+18 |
Sphere
Radius = nVolume | 1.0926349943491E+27 |
---|---|
Surface area | 5.1301988028242E+18 |
Circumference | 4014597722.1146 |
Square
Length = nPerimeter | 2555772288 |
---|---|
Area | 408248249256797184 |
Diagonal | 903601958.00673 |
Cube
Length = nSurface area | 2449489495540783104 |
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Volume | 2.6084739051876E+26 |
Space diagonal | 1106681863.8481 |
Equilateral Triangle
Length = nPerimeter | 1916829216 |
---|---|
Area | 1.7677667745345E+17 |
Altitude | 553340931.92407 |
Triangular Pyramid
Length = nSurface area | 1.7677667745345E+17 |
---|---|
Volume | 3.0741159781772E+25 |
Height | 301200652.66891 |