28249968 (number)
28249968 is an even 8-digits composite number following 28249967 and preceding 28249969. In scientific notation, it is written as 2.8249968 × 10^7. The sum of its digits is 48. It has a total of 7 prime factors and 40 positive divisors. There are 9196992 positive integers (up to 28249968) that are relatively prime to 28249968.
Interesting facts
- 28249968 has 40 divisors, whose sum is 74681728
- The reverse of 28249968 is 86994282
- Previous prime number is 43
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 48
- Digital Root 3
Name
| Name | twenty-eight million two hundred forty-nine thousand nine hundred sixty-eight |
|---|
Notation
| Scientific notation | 2.8249968 × 10^7 |
|---|---|
| Engineering notation | 2.8249968 × 10^6 |
Prime Factorization of 28249968
Prime Factorization 2 × 2 × 2 × 2 × 3 × 43 × 13687
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3531246 | Product of the distinct prime numbers |
The prime factorization of 28249968 is 2 × 2 × 2 × 2 × 3 × 43 × 13687. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28249968)
Multiplication
n×y| n×2 | 56499936 |
|---|---|
| n×3 | 84749904 |
| n×4 | 112999872 |
| n×5 | 141249840 |
Division
n÷y| n÷2 | 14124984 |
|---|---|
| n÷3 | 9416656 |
| n÷3 | 7062492 |
| n÷5 | 5649993.6 |
Exponentiation
ny| n2 | 798060692001024 |
|---|---|
| n3 | 2.2545189011087E+22 |
| n4 | 6.3690086811715E+29 |
| n5 | 1.7992429143482E+37 |
Nth Root
y√n| 2√n | 5315.0698960597 |
|---|---|
| 3√n | 304.55985244985 |
| 4√n | 72.904525895583 |
| 5√n | 30.917444655513 |
Divisors of 28249968
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 | -28249967 | 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 28249968 can be divided by 40 positive divisors. The sum of these divisors (counting 28249968) is 1, the average is 0.025.
Base conversion 28249968
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101011110000111101110000 |
| 3 | Ternary | 1222011020200010 |
| 4 | Quaternary | 1223300331300 |
| 5 | Quinary | 24212444333 |
| 6 | Senary | 2445254520 |
| 8 | Octal | 153607560 |
| 10 | Decimal | 28249968 |
| 12 | Duodecimal | 9564440 |
| 16 | Hexadecimal | 1af0f70 |
| 20 | Vigesimal | 8gb4i8 |
| 36 | Base36 | gthtc |
Cryptographic Hash Functions
| md5 | fbc8b124be98a0aa2ba3727a36bc6b18 |
|---|---|
| sha1 | ab60b144861d33455cf0c0fff938f28691154c09 |
| sha256 | 2ceb3c168c0e51b84c26b087a113f98b7774b41138044e0886b3461d2689e174 |
| sha512 | a6929f850d39ecabcfdb4a6c77b23ccbd487ef7de5e1c4b32708d86ceeaa54b769a9a2d5903e92a5a42b9b7f1bdebb74bb25160b30df0bc1229d8a11d6cc718f |
| ripemd-160 | 9db8c46e76014cde6caf2ed482edf13ab0fbfde5 |
28249968 as geometric shapes
Circle
Radius = n| Diameter | 56499936 |
|---|---|
| Circumference | 177499783.86589 |
| Area | 2.5071816071092E+15 |
Sphere
Radius = n| Volume | 9.4437066894698E+22 |
|---|---|
| Surface area | 1.0028726428437E+16 |
| Circumference | 177499783.86589 |
Square
Length = n| Perimeter | 112999872 |
|---|---|
| Area | 798060692001024 |
| Diagonal | 39951487.882206 |
Cube
Length = n| Surface area | 4788364152006144 |
|---|---|
| Volume | 2.2545189011087E+22 |
| Space diagonal | 48930379.888195 |
Equilateral Triangle
Length = n| Perimeter | 84749904 |
|---|---|
| Area | 3.4557041651734E+14 |
| Altitude | 24465189.944097 |
Triangular Pyramid
Length = n| Surface area | 3.4557041651734E+14 |
|---|---|
| Volume | 2.6569760054787E+21 |
| Height | 13317162.627402 |