28393488 (number)
28393488 is an even 8-digits composite number following 28393487 and preceding 28393489. In scientific notation, it is written as 2.8393488 × 10^7. The sum of its digits is 45. It has a total of 7 prime factors and 40 positive divisors. There are 9416448 positive integers (up to 28393488) that are relatively prime to 28393488.
Interesting facts
- 28393488 has 40 divisors, whose sum is 61435800
- The reverse of 28393488 is 88439382
- Previous prime number is 269
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 45
- Digital Root 9
Name
| Name | twenty-eight million three hundred ninety-three thousand four hundred eighty-eight |
|---|
Notation
| Scientific notation | 2.8393488 × 10^7 |
|---|---|
| Engineering notation | 2.8393488 × 10^6 |
Prime Factorization of 28393488
Prime Factorization 2 × 2 × 2 × 2 × 9 × 269 × 733
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3549186 | Product of the distinct prime numbers |
The prime factorization of 28393488 is 2 × 2 × 2 × 2 × 9 × 269 × 733. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28393488)
Multiplication
n×y| n×2 | 56786976 |
|---|---|
| n×3 | 85180464 |
| n×4 | 113573952 |
| n×5 | 141967440 |
Division
n÷y| n÷2 | 14196744 |
|---|---|
| n÷3 | 9464496 |
| n÷3 | 7098372 |
| n÷5 | 5678697.6 |
Exponentiation
ny| n2 | 806190160806144 |
|---|---|
| n3 | 2.2890550656567E+22 |
| n4 | 6.4994257538064E+29 |
| n5 | 1.8454136714759E+37 |
Nth Root
y√n| 2√n | 5328.5540252493 |
|---|---|
| 3√n | 305.07473936547 |
| 4√n | 72.996945314508 |
| 5√n | 30.948795359141 |
Divisors of 28393488
40 divisors
| τ | Total Divisors | 40 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -28393487 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.025 | 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 | 40 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 28393488 can be divided by 40 positive divisors. The sum of these divisors (counting 28393488) is 1, the average is 0.025.
Base conversion 28393488
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101100010100000000010000 |
| 3 | Ternary | 1222102112112200 |
| 4 | Quaternary | 1230110000100 |
| 5 | Quinary | 24232042423 |
| 6 | Senary | 2452323200 |
| 8 | Octal | 154240020 |
| 10 | Decimal | 28393488 |
| 12 | Duodecimal | 9613500 |
| 16 | Hexadecimal | 1b14010 |
| 20 | Vigesimal | 8h93e8 |
| 36 | Base36 | gwkk0 |
Cryptographic Hash Functions
| md5 | f78b3d0e05e6e2af924c2cc2860aab2d |
|---|---|
| sha1 | 57ba20f42e0be347b330da0becb99f883341c4c5 |
| sha256 | 90efabb350b5abfcb55a4438aa5062d5bedbef9e341eb41adf47a6e786d06ad2 |
| sha512 | 0f7d14b4048263fc998a5a2a1e068567d733d2e0006eae0b21be29bce32b9313a734aa9c0fcf4dc1f248d93fc601b37b6164e0137a71d1c21225359b73320175 |
| ripemd-160 | f1d3e014d59e25e2874d0bb68e283445ef2804e1 |
28393488 as geometric shapes
Circle
Radius = n| Diameter | 56786976 |
|---|---|
| Circumference | 178401546.62118 |
| Area | 2.532721086585E+15 |
Sphere
Radius = n| Volume | 9.5883714372396E+22 |
|---|---|
| Surface area | 1.013088434634E+16 |
| Circumference | 178401546.62118 |
Square
Length = n| Perimeter | 113573952 |
|---|---|
| Area | 806190160806144 |
| Diagonal | 40154455.812678 |
Cube
Length = n| Surface area | 4837140964836864 |
|---|---|
| Volume | 2.2890550656567E+22 |
| Space diagonal | 49178963.820097 |
Equilateral Triangle
Length = n| Perimeter | 85180464 |
|---|---|
| Area | 3.4909057976959E+14 |
| Altitude | 24589481.910049 |
Triangular Pyramid
Length = n| Surface area | 3.4909057976959E+14 |
|---|---|
| Volume | 2.6976772657255E+21 |
| Height | 13384818.604226 |