28292720 (number)
28292720 is an even 8-digits composite number following 28292719 and preceding 28292721. In scientific notation, it is written as 2.8292720 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 40 positive divisors. There are 11264000 positive integers (up to 28292720) that are relatively prime to 28292720.
Interesting facts
- 28292720 has 40 divisors, whose sum is 66089520
- The reverse of 28292720 is 02729282
- Previous prime number is 251
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 32
- Digital Root 5
Name
| Name | twenty-eight million two hundred ninety-two thousand seven hundred twenty |
|---|
Notation
| Scientific notation | 2.8292720 × 10^7 |
|---|---|
| Engineering notation | 2.8292720 × 10^6 |
Prime Factorization of 28292720
Prime Factorization 2 × 2 × 2 × 2 × 5 × 251 × 1409
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3536590 | Product of the distinct prime numbers |
The prime factorization of 28292720 is 2 × 2 × 2 × 2 × 5 × 251 × 1409. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28292720)
Multiplication
n×y| n×2 | 56585440 |
|---|---|
| n×3 | 84878160 |
| n×4 | 113170880 |
| n×5 | 141463600 |
Division
n÷y| n÷2 | 14146360 |
|---|---|
| n÷3 | 9430906.6666667 |
| n÷3 | 7073180 |
| n÷5 | 5658544 |
Exponentiation
ny| n2 | 800478004998400 |
|---|---|
| n3 | 2.2647700061578E+22 |
| n4 | 6.4076503648622E+29 |
| n5 | 1.8128985763094E+37 |
Nth Root
y√n| 2√n | 5319.0901477602 |
|---|---|
| 3√n | 304.71340991146 |
| 4√n | 72.9320927148 |
| 5√n | 30.926796759512 |
Divisors of 28292720
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 | -28292719 | 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 28292720 can be divided by 40 positive divisors. The sum of these divisors (counting 28292720) is 1, the average is 0.025.
Base conversion 28292720
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101011111011011001110000 |
| 3 | Ternary | 1222020102022112 |
| 4 | Quaternary | 1223323121300 |
| 5 | Quinary | 24220331340 |
| 6 | Senary | 2450224452 |
| 8 | Octal | 153733160 |
| 10 | Decimal | 28292720 |
| 12 | Duodecimal | 9585128 |
| 16 | Hexadecimal | 1afb670 |
| 20 | Vigesimal | 8ggbg0 |
| 36 | Base36 | guesw |
Cryptographic Hash Functions
| md5 | bc49564b131055805362f0aa612c3a7f |
|---|---|
| sha1 | 3a544b4aff133024bb9fbf7b93c4f4e9a70a4d3c |
| sha256 | 25dfdc1c3de9adbf7e9c45688b5d2af5b12fa046bad266416741818c7ad4023d |
| sha512 | 8733e16ce61443bacdfa9e7788707f25b75e673177ae28646d8068b076682e98aca82f180589dd2c9ae1e77810c0d2bb5944e3f03657972e2b28eeb9977909d3 |
| ripemd-160 | b2e7e949cddc05e2eca7afa08b2b82101d1d55d4 |
28292720 as geometric shapes
Circle
Radius = n| Diameter | 56585440 |
|---|---|
| Circumference | 177768402.60415 |
| Area | 2.5147758198632E+15 |
Sphere
Radius = n| Volume | 9.4866464178879E+22 |
|---|---|
| Surface area | 1.0059103279453E+16 |
| Circumference | 177768402.60415 |
Square
Length = n| Perimeter | 113170880 |
|---|---|
| Area | 800478004998400 |
| Diagonal | 40011948.340425 |
Cube
Length = n| Surface area | 4802868029990400 |
|---|---|
| Volume | 2.2647700061578E+22 |
| Space diagonal | 49004428.52432 |
Equilateral Triangle
Length = n| Perimeter | 84878160 |
|---|---|
| Area | 3.4661714374965E+14 |
| Altitude | 24502214.26216 |
Triangular Pyramid
Length = n| Surface area | 3.4661714374965E+14 |
|---|---|
| Volume | 2.6690570486368E+21 |
| Height | 13337316.113475 |