638045982 (number)
638045982 is an even 9-digits composite number following 638045981 and preceding 638045983. In scientific notation, it is written as 6.38045982 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 177370560 positive integers (up to 638045982) that are relatively prime to 638045982.
Interesting facts
- 638045982 has 48 divisors, whose sum is 1622635872
- The reverse of 638045982 is 289540836
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 45
- Digital Root 9
Name
Name | six hundred thirty-eight million forty-five thousand nine hundred eighty-two |
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Notation
Scientific notation | 6.38045982 × 10^8 |
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Engineering notation | 6.38045982 × 10^6 |
Prime Factorization of 638045982
Prime Factorization 2 × 3 × 7 × 3 × 37 × 136861
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 6 | Total number of prime factors |
rad | Radical | 212681994 | Product of the distinct prime numbers |
The prime factorization of 638045982 is 2 × 3 × 7 × 3 × 37 × 136861. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 638045982)
Multiplication
n×yn×2 | 1276091964 |
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n×3 | 1914137946 |
n×4 | 2552183928 |
n×5 | 3190229910 |
Division
n÷yn÷2 | 319022991 |
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n÷3 | 212681994 |
n÷3 | 159511495.5 |
n÷5 | 127609196.4 |
Exponentiation
nyn2 | 407102675146344324 |
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n3 | 2.5975022613858E+26 |
n4 | 1.6573258811131E+35 |
n5 | 1.0574501193088E+44 |
Nth Root
y√n2√n | 25259.572086637 |
---|---|
3√n | 860.89593937976 |
4√n | 158.93260234023 |
5√n | 57.672714852341 |
Divisors of 638045982
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 | -638045981 | 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 638045982 can be divided by 48 positive divisors. The sum of these divisors (counting 638045982) is 1, the average is 0.020833333333333.
Base conversion 638045982
Base | System | Value |
---|---|---|
2 | Binary | 100110000001111100111100011110 |
3 | Ternary | 1122110121002112200 |
4 | Quaternary | 212001330330132 |
5 | Quinary | 2301314432412 |
6 | Senary | 143151312330 |
8 | Octal | 4601747436 |
10 | Decimal | 638045982 |
12 | Duodecimal | 15981b6a6 |
16 | Hexadecimal | 2607cf1e |
20 | Vigesimal | 9j7fej2 |
36 | Base36 | ajvjfi |
Cryptographic Hash Functions
md5 | 2e879f2ecce03eff83770aba7cfcf233 |
---|---|
sha1 | cf1e670114eedb507b6fbe77a820832c9b7fabec |
sha256 | 4cf0ebe05cfabe2e3641b03abbf19018656c62d672dd83c89507d5d50300c28b |
sha512 | 67365a87e0c516823bc22643a28450cd18a6ddb37ca5163476f07aa5dd4447b6c9d10c11b37b1ec27c565e9daa01d8ac41d44f84d53703a4e7b620a5c2f15bcc |
ripemd-160 | a524f9c51cebe827dc41f19bf314d4cd1e715cd1 |
638045982 as geometric shapes
Circle
Radius = nDiameter | 1276091964 |
---|---|
Circumference | 4008961139.4074 |
Area | 1.2789507734965E+18 |
Sphere
Radius = nVolume | 1.0880392029403E+27 |
---|---|
Surface area | 5.115803093986E+18 |
Circumference | 4008961139.4074 |
Square
Length = nPerimeter | 2552183928 |
---|---|
Area | 407102675146344324 |
Diagonal | 902333281.16206 |
Cube
Length = nSurface area | 2442616050878065944 |
---|---|
Volume | 2.5975022613858E+26 |
Space diagonal | 1105128058.3892 |
Equilateral Triangle
Length = nPerimeter | 1914137946 |
---|---|
Area | 1.7628062931267E+17 |
Altitude | 552564029.19459 |
Triangular Pyramid
Length = nSurface area | 1.7628062931267E+17 |
---|---|
Volume | 3.0611857719554E+25 |
Height | 300777760.38735 |