387872 (number)
387872 is an even 6-digits composite number following 387871 and preceding 387873. In scientific notation, it is written as 3.87872 × 10^5. The sum of its digits is 35. It has a total of 8 prime factors and 48 positive divisors. There are 168960 positive integers (up to 387872) that are relatively prime to 387872.
Interesting facts
- 387872 has 48 divisors, whose sum is 870912
- The reverse of 387872 is 278783
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 6
- Sum of Digits 35
- Digital Root 8
Name
| Name | three hundred eighty-seven thousand eight hundred seventy-two |
|---|
Notation
| Scientific notation | 3.87872 × 10^5 |
|---|---|
| Engineering notation | 3.87872 × 10^3 |
Prime Factorization of 387872
Prime Factorization 2 × 2 × 2 × 2 × 2 × 31 × 23 × 17
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 24242 | Product of the distinct prime numbers |
The prime factorization of 387872 is 2 × 2 × 2 × 2 × 2 × 31 × 23 × 17. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 387872)
Multiplication
n×y| n×2 | 775744 |
|---|---|
| n×3 | 1163616 |
| n×4 | 1551488 |
| n×5 | 1939360 |
Division
n÷y| n÷2 | 193936 |
|---|---|
| n÷3 | 129290.66666667 |
| n÷3 | 96968 |
| n÷5 | 77574.4 |
Exponentiation
ny| n2 | 150444688384 |
|---|---|
| n3 | 58353282172878848 |
| n4 | 2.2633604262959E+22 |
| n5 | 8.7789413526824E+27 |
Nth Root
y√n| 2√n | 622.79370581277 |
|---|---|
| 3√n | 72.928308925617 |
| 4√n | 24.955835105497 |
| 5√n | 13.114075689146 |
Divisors of 387872
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 | -387871 | 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 387872 can be divided by 48 positive divisors. The sum of these divisors (counting 387872) is 1, the average is 0.020833333333333.
Base conversion 387872
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1011110101100100000 |
| 3 | Ternary | 201201001122 |
| 4 | Quaternary | 1132230200 |
| 5 | Quinary | 44402442 |
| 6 | Senary | 12151412 |
| 8 | Octal | 1365440 |
| 10 | Decimal | 387872 |
| 12 | Duodecimal | 168568 |
| 16 | Hexadecimal | 5eb20 |
| 20 | Vigesimal | 289dc |
| 36 | Base36 | 8ba8 |
Cryptographic Hash Functions
| md5 | 3cceb4e4d10361c34f29615a1f72baf8 |
|---|---|
| sha1 | 3d3193a9a4d6e957d17e5662cd294f4d614d0ca2 |
| sha256 | bd0a23fbfd162057940f8d6471d291ed11ae8a0920cbde2af6c6459458230255 |
| sha512 | d5ffc910093c328c0f8a219756601f6343d95081d8fb7bc3a831c665b62f23138db3a3f61f3623f5b0a08a7501295babf3c7d8e39522611bb1aaf5a1036cfb0d |
| ripemd-160 | 44bc8aaab39a9f0c6bd82bd5fba25b67047f739a |
387872 as geometric shapes
Circle
Radius = n| Diameter | 775744 |
|---|---|
| Circumference | 2437071.6514664 |
| Area | 472635927798.78 |
Sphere
Radius = n| Volume | 2.4442965678289E+17 |
|---|---|
| Surface area | 1890543711195.1 |
| Circumference | 2437071.6514664 |
Square
Length = n| Perimeter | 1551488 |
|---|---|
| Area | 150444688384 |
| Diagonal | 548533.84286478 |
Cube
Length = n| Surface area | 902668130304 |
|---|---|
| Volume | 58353282172878848 |
| Space diagonal | 671814.01083336 |
Equilateral Triangle
Length = n| Perimeter | 1163616 |
|---|---|
| Area | 65144461002.489 |
| Altitude | 335907.00541668 |
Triangular Pyramid
Length = n| Surface area | 65144461002.489 |
|---|---|
| Volume | 6.8770002548225E+15 |
| Height | 182844.61428826 |