28289328 (number)
28289328 is an even 8-digits composite number following 28289327 and preceding 28289329. In scientific notation, it is written as 2.8289328 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 8933184 positive integers (up to 28289328) that are relatively prime to 28289328.
Interesting facts
- 28289328 has 40 divisors, whose sum is 76929600
- The reverse of 28289328 is 82398282
- Previous prime number is 19
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
| Name | twenty-eight million two hundred eighty-nine thousand three hundred twenty-eight |
|---|
Notation
| Scientific notation | 2.8289328 × 10^7 |
|---|---|
| Engineering notation | 2.8289328 × 10^6 |
Prime Factorization of 28289328
Prime Factorization 2 × 2 × 2 × 2 × 3 × 19 × 31019
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3536166 | Product of the distinct prime numbers |
The prime factorization of 28289328 is 2 × 2 × 2 × 2 × 3 × 19 × 31019. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28289328)
Multiplication
n×y| n×2 | 56578656 |
|---|---|
| n×3 | 84867984 |
| n×4 | 113157312 |
| n×5 | 141446640 |
Division
n÷y| n÷2 | 14144664 |
|---|---|
| n÷3 | 9429776 |
| n÷3 | 7072332 |
| n÷5 | 5657865.6 |
Exponentiation
ny| n2 | 800286078691584 |
|---|---|
| n3 | 2.263955537394E+22 |
| n4 | 6.4045780774755E+29 |
| n5 | 1.8118120993531E+37 |
Nth Root
y√n| 2√n | 5318.7712866789 |
|---|---|
| 3√n | 304.70123211219 |
| 4√n | 72.929906668519 |
| 5√n | 30.926055164319 |
Divisors of 28289328
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 | -28289327 | 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 28289328 can be divided by 40 positive divisors. The sum of these divisors (counting 28289328) is 1, the average is 0.025.
Base conversion 28289328
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101011111010100100110000 |
| 3 | Ternary | 1222020020122220 |
| 4 | Quaternary | 1223322210300 |
| 5 | Quinary | 24220224303 |
| 6 | Senary | 2450201040 |
| 8 | Octal | 153724460 |
| 10 | Decimal | 28289328 |
| 12 | Duodecimal | 9583180 |
| 16 | Hexadecimal | 1afa930 |
| 20 | Vigesimal | 8gg368 |
| 36 | Base36 | guc6o |
Cryptographic Hash Functions
| md5 | bc8f8dd558be51ac6a12af624ff65bfe |
|---|---|
| sha1 | cee4f1811793ea9deb2fee03c5784d8a82a36bac |
| sha256 | 340ae544b239f8db114efd1ae9c8af3e4a69329c29106b910cfdff346c8f8070 |
| sha512 | bec9664b3d5b50e405e4a6c5a54d917062edf9c8b72a22d13c2090552969970d8cb37d0c5b9f5ea1d085f7aac86f547f6cc8f93a1be3d1023a646130ae327437 |
| ripemd-160 | 2d71cf65492f9d5ebb1afa4bc07d4fd88ca7ad08 |
28289328 as geometric shapes
Circle
Radius = n| Diameter | 56578656 |
|---|---|
| Circumference | 177747090.03958 |
| Area | 2.5141728655877E+15 |
Sphere
Radius = n| Volume | 9.4832347791079E+22 |
|---|---|
| Surface area | 1.0056691462351E+16 |
| Circumference | 177747090.03958 |
Square
Length = n| Perimeter | 113157312 |
|---|---|
| Area | 800286078691584 |
| Diagonal | 40007151.328021 |
Cube
Length = n| Surface area | 4801716472149504 |
|---|---|
| Volume | 2.263955537394E+22 |
| Space diagonal | 48998553.407981 |
Equilateral Triangle
Length = n| Perimeter | 84867984 |
|---|---|
| Area | 3.4653403722097E+14 |
| Altitude | 24499276.70399 |
Triangular Pyramid
Length = n| Surface area | 3.4653403722097E+14 |
|---|---|
| Volume | 2.6680971879936E+21 |
| Height | 13335717.10934 |