28772720 (number)
28772720 is an even 8-digits composite number following 28772719 and preceding 28772721. In scientific notation, it is written as 2.8772720 × 10^7. The sum of its digits is 35. It has a total of 7 prime factors and 40 positive divisors. There are 11469312 positive integers (up to 28772720) that are relatively prime to 28772720.
Interesting facts
- 28772720 has 40 divisors, whose sum is 67128144
- The reverse of 28772720 is 02727782
- Previous prime number is 787
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 35
- Digital Root 8
Name
| Name | twenty-eight million seven hundred seventy-two thousand seven hundred twenty |
|---|
Notation
| Scientific notation | 2.8772720 × 10^7 |
|---|---|
| Engineering notation | 2.8772720 × 10^6 |
Prime Factorization of 28772720
Prime Factorization 2 × 2 × 2 × 2 × 5 × 787 × 457
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3596590 | Product of the distinct prime numbers |
The prime factorization of 28772720 is 2 × 2 × 2 × 2 × 5 × 787 × 457. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28772720)
Multiplication
n×y| n×2 | 57545440 |
|---|---|
| n×3 | 86318160 |
| n×4 | 115090880 |
| n×5 | 143863600 |
Division
n÷y| n÷2 | 14386360 |
|---|---|
| n÷3 | 9590906.6666667 |
| n÷3 | 7193180 |
| n÷5 | 5754544 |
Exponentiation
ny| n2 | 827869416198400 |
|---|---|
| n3 | 2.382005490884E+22 |
| n4 | 6.8536777027668E+29 |
| n5 | 1.9719894951195E+37 |
Nth Root
y√n| 2√n | 5364.0208798997 |
|---|---|
| 3√n | 306.42696034017 |
| 4√n | 73.239476239933 |
| 5√n | 31.031029478808 |
Divisors of 28772720
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 | -28772719 | 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 28772720 can be divided by 40 positive divisors. The sum of these divisors (counting 28772720) is 1, the average is 0.025.
Base conversion 28772720
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101101110000100101110000 |
| 3 | Ternary | 2000010210202022 |
| 4 | Quaternary | 1231300211300 |
| 5 | Quinary | 24331211340 |
| 6 | Senary | 2504411012 |
| 8 | Octal | 155604560 |
| 10 | Decimal | 28772720 |
| 12 | Duodecimal | 9776a68 |
| 16 | Hexadecimal | 1b70970 |
| 20 | Vigesimal | 8jgbg0 |
| 36 | Base36 | h4p68 |
Cryptographic Hash Functions
| md5 | ee37ab2da421031a2cf7bbbfd8d1e5aa |
|---|---|
| sha1 | 6834aaef3acd6e28b465b9ed6a3f2811239a4ea2 |
| sha256 | 61b4e6a87c398b1004a88fa7a9be4a1346358e652b56b10a15f158ad4c743e3a |
| sha512 | ae08f755815636261ab053538b81e623bc689d76d027daec325712f779615df965f335e0a9baa2217f43294d07f22a91f11ab3ac44cc1d1030550825c03ab7ac |
| ripemd-160 | bffaf70e098ce0fc5d80c949b2319ce107d2ff7d |
28772720 as geometric shapes
Circle
Radius = n| Diameter | 57545440 |
|---|---|
| Circumference | 180784331.55159 |
| Area | 2.6008284760606E+15 |
Sphere
Radius = n| Volume | 9.9777212679623E+22 |
|---|---|
| Surface area | 1.0403313904242E+16 |
| Circumference | 180784331.55159 |
Square
Length = n| Perimeter | 115090880 |
|---|---|
| Area | 827869416198400 |
| Diagonal | 40690770.850364 |
Cube
Length = n| Surface area | 4967216497190400 |
|---|---|
| Volume | 2.382005490884E+22 |
| Space diagonal | 49835812.911953 |
Equilateral Triangle
Length = n| Perimeter | 86318160 |
|---|---|
| Area | 3.58477972722E+14 |
| Altitude | 24917906.455977 |
Triangular Pyramid
Length = n| Surface area | 3.58477972722E+14 |
|---|---|
| Volume | 2.8072203923794E+21 |
| Height | 13563590.283455 |