28391310 (number)
28391310 is an even 8-digits composite number following 28391309 and preceding 28391311. In scientific notation, it is written as 2.8391310 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 40 positive divisors. There are 7570800 positive integers (up to 28391310) that are relatively prime to 28391310.
Interesting facts
- 28391310 has 40 divisors, whose sum is 76343256
- The reverse of 28391310 is 01319382
- Previous prime number is 3
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 27
- Digital Root 9
Name
| Name | twenty-eight million three hundred ninety-one thousand three hundred ten |
|---|
Notation
| Scientific notation | 2.8391310 × 10^7 |
|---|---|
| Engineering notation | 2.8391310 × 10^6 |
Prime Factorization of 28391310
Prime Factorization 2 × 5 × 9 × 3 × 3 × 35051
Composite number| ω | Distinct Factors | 5 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 9463770 | Product of the distinct prime numbers |
The prime factorization of 28391310 is 2 × 5 × 9 × 3 × 3 × 35051. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28391310)
Multiplication
n×y| n×2 | 56782620 |
|---|---|
| n×3 | 85173930 |
| n×4 | 113565240 |
| n×5 | 141956550 |
Division
n÷y| n÷2 | 14195655 |
|---|---|
| n÷3 | 9463770 |
| n÷3 | 7097827.5 |
| n÷5 | 5678262 |
Exponentiation
ny| n2 | 806066483516100 |
|---|---|
| n3 | 2.2885283414115E+22 |
| n4 | 6.4974317584801E+29 |
| n5 | 1.8447059925885E+37 |
Nth Root
y√n| 2√n | 5328.3496506892 |
|---|---|
| 3√n | 305.0669386358 |
| 4√n | 72.995545416753 |
| 5√n | 30.948320542207 |
Divisors of 28391310
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 | -28391309 | 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 28391310 can be divided by 40 positive divisors. The sum of these divisors (counting 28391310) is 1, the average is 0.025.
Base conversion 28391310
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101100010011011110001110 |
| 3 | Ternary | 1222102102120000 |
| 4 | Quaternary | 1230103132032 |
| 5 | Quinary | 24232010220 |
| 6 | Senary | 2452305130 |
| 8 | Octal | 154233616 |
| 10 | Decimal | 28391310 |
| 12 | Duodecimal | 96121a6 |
| 16 | Hexadecimal | 1b1378e |
| 20 | Vigesimal | 8h8i5a |
| 36 | Base36 | gwivi |
Cryptographic Hash Functions
| md5 | fa2db7c937ecc431bcfa91ad3b203018 |
|---|---|
| sha1 | 61beb04df46f063562778f02e6b7715e54028e52 |
| sha256 | 718073bf7f3d0867997a8420656d1d13c828e9dc36ac0a92d2a18f84651ebe37 |
| sha512 | ddbbfc609f6b26247c093e6d48353e58a8ebf636302ec8b92ac3db725eef0be6d136eab8beafdb3fd02d3ad9218ff40e20840ce9b5e992643a66d865c244e1fe |
| ripemd-160 | 40d938804dd071a7db0446f7185f47bea1eff10c |
28391310 as geometric shapes
Circle
Radius = n| Diameter | 56782620 |
|---|---|
| Circumference | 178387861.84358 |
| Area | 2.5323325429191E+15 |
Sphere
Radius = n| Volume | 9.5861650998807E+22 |
|---|---|
| Surface area | 1.0129330171677E+16 |
| Circumference | 178387861.84358 |
Square
Length = n| Perimeter | 113565240 |
|---|---|
| Area | 806066483516100 |
| Diagonal | 40151375.655539 |
Cube
Length = n| Surface area | 4836398901096600 |
|---|---|
| Volume | 2.2885283414115E+22 |
| Space diagonal | 49175191.413438 |
Equilateral Triangle
Length = n| Perimeter | 85173930 |
|---|---|
| Area | 3.4903702593207E+14 |
| Altitude | 24587595.706719 |
Triangular Pyramid
Length = n| Surface area | 3.4903702593207E+14 |
|---|---|
| Volume | 2.6970565152495E+21 |
| Height | 13383791.88518 |