642912 (number)
642912 is an even 6-digits composite number following 642911 and preceding 642913. In scientific notation, it is written as 6.42912 × 10^5. The sum of its digits is 24. It has a total of 8 prime factors and 48 positive divisors. There are 207360 positive integers (up to 642912) that are relatively prime to 642912.
Interesting facts
- 642912 has 48 divisors, whose sum is 1742832
- The reverse of 642912 is 219246
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity even
- Number length 6
- Sum of Digits 24
- Digital Root 6
Name
| Name | six hundred forty-two thousand nine hundred twelve |
|---|
Notation
| Scientific notation | 6.42912 × 10^5 |
|---|---|
| Engineering notation | 6.42912 × 10^3 |
Prime Factorization of 642912
Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 37 × 181
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 8 | Total number of prime factors |
| rad | Radical | 40182 | Product of the distinct prime numbers |
The prime factorization of 642912 is 2 × 2 × 2 × 2 × 2 × 3 × 37 × 181. Since it has a total of 8 prime factors.
Most popular turbo-numbers
Basic calculations (n = 642912)
Multiplication
n×y| n×2 | 1285824 |
|---|---|
| n×3 | 1928736 |
| n×4 | 2571648 |
| n×5 | 3214560 |
Division
n÷y| n÷2 | 321456 |
|---|---|
| n÷3 | 214304 |
| n÷3 | 160728 |
| n÷5 | 128582.4 |
Exponentiation
ny| n2 | 413335839744 |
|---|---|
| n3 | 265738571401494528 |
| n4 | 1.7084651641688E+23 |
| n5 | 1.0983927556261E+29 |
Nth Root
y√n| 2√n | 801.81793444647 |
|---|---|
| 3√n | 86.307892240112 |
| 4√n | 28.316389855461 |
| 5√n | 14.508760321164 |
Divisors of 642912
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 | -642911 | 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 642912 can be divided by 48 positive divisors. The sum of these divisors (counting 642912) is 1, the average is 0.020833333333333.
Base conversion 642912
| Base | System | Value |
|---|---|---|
| 2 | Binary | 10011100111101100000 |
| 3 | Ternary | 1012122220120 |
| 4 | Quaternary | 2130331200 |
| 5 | Quinary | 131033122 |
| 6 | Senary | 21440240 |
| 8 | Octal | 2347540 |
| 10 | Decimal | 642912 |
| 12 | Duodecimal | 270080 |
| 16 | Hexadecimal | 9cf60 |
| 20 | Vigesimal | 4075c |
| 36 | Base36 | ds2o |
Cryptographic Hash Functions
| md5 | f20c7acac80df260fc4071d6532e3dca |
|---|---|
| sha1 | 7009703777cc1431d61bae25811029ab48afcf13 |
| sha256 | b2591eaf929c80cfc1b141cc85f42ed40a6221e4ac6afe17cd05253f7f80f1b2 |
| sha512 | ad184b2c543838e48b56395def7869f0e4068384bbe7d4a941e4bd3fa72b5dbe2d6342e7e4e4595c71d4f54ef3aa55ed0857245267f98d67c72649d3d165625b |
| ripemd-160 | 42699984bcdf16a827f012623bbaad5689f83501 |
642912 as geometric shapes
Circle
Radius = n| Diameter | 1285824 |
|---|---|
| Circumference | 4039535.2322094 |
| Area | 1298532837605.1 |
Sphere
Radius = n| Volume | 1.1131231249205E+18 |
|---|---|
| Surface area | 5194131350420.5 |
| Circumference | 4039535.2322094 |
Square
Length = n| Perimeter | 2571648 |
|---|---|
| Area | 413335839744 |
| Diagonal | 909214.86981241 |
Cube
Length = n| Surface area | 2480015038464 |
|---|---|
| Volume | 265738571401494528 |
| Space diagonal | 1113556.2487957 |
Equilateral Triangle
Length = n| Perimeter | 1928736 |
|---|---|
| Area | 178979668756.44 |
| Altitude | 556778.12439786 |
Triangular Pyramid
Length = n| Surface area | 178979668756.44 |
|---|---|
| Volume | 3.1317590976804E+16 |
| Height | 303071.6232708 |