28221520 (number)
28221520 is an even 8-digits composite number following 28221519 and preceding 28221521. In scientific notation, it is written as 2.8221520 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 40 positive divisors. There are 11220480 positive integers (up to 28221520) that are relatively prime to 28221520.
Interesting facts
- 28221520 has 40 divisors, whose sum is 66011400
- The reverse of 28221520 is 02512282
- Previous prime number is 1949
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 22
- Digital Root 4
Name
| Name | twenty-eight million two hundred twenty-one thousand five hundred twenty |
|---|
Notation
| Scientific notation | 2.8221520 × 10^7 |
|---|---|
| Engineering notation | 2.8221520 × 10^6 |
Prime Factorization of 28221520
Prime Factorization 2 × 2 × 2 × 2 × 5 × 1949 × 181
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 3527690 | Product of the distinct prime numbers |
The prime factorization of 28221520 is 2 × 2 × 2 × 2 × 5 × 1949 × 181. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 28221520)
Multiplication
n×y| n×2 | 56443040 |
|---|---|
| n×3 | 84664560 |
| n×4 | 112886080 |
| n×5 | 141107600 |
Division
n÷y| n÷2 | 14110760 |
|---|---|
| n÷3 | 9407173.3333333 |
| n÷3 | 7055380 |
| n÷5 | 5644304 |
Exponentiation
ny| n2 | 796454191110400 |
|---|---|
| n3 | 2.2477147883506E+22 |
| n4 | 6.3433927853732E+29 |
| n5 | 1.7902018636027E+37 |
Nth Root
y√n| 2√n | 5312.3930577471 |
|---|---|
| 3√n | 304.45758650988 |
| 4√n | 72.886165064072 |
| 5√n | 30.911215310674 |
Divisors of 28221520
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 | -28221519 | 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 28221520 can be divided by 40 positive divisors. The sum of these divisors (counting 28221520) is 1, the average is 0.025.
Base conversion 28221520
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1101011101010000001010000 |
| 3 | Ternary | 1222002210122111 |
| 4 | Quaternary | 1223222001100 |
| 5 | Quinary | 24211042040 |
| 6 | Senary | 2444515104 |
| 8 | Octal | 153520120 |
| 10 | Decimal | 28221520 |
| 12 | Duodecimal | 954ba94 |
| 16 | Hexadecimal | 1aea050 |
| 20 | Vigesimal | 8g7dg0 |
| 36 | Base36 | gsvv4 |
Cryptographic Hash Functions
| md5 | 3de50c5f8691f3815f5a2ad60163f601 |
|---|---|
| sha1 | e003d7e91df8649621971b3462b531d50a42184f |
| sha256 | 315a7daf73895b4457f1a183787564b25af480f645251ea0dad94bf39608c2ec |
| sha512 | 39d37caab647ed474ed225dcb958b27d34d751e947c35ddb3e8afd839a4b6e913069b894e6a8da8d5b82f562015ba66d58b210ab1ad62c1845eb58d574a25931 |
| ripemd-160 | 5edf6e7d7ecc8d77d3bd07407151ccd9c9ddaf57 |
28221520 as geometric shapes
Circle
Radius = n| Diameter | 56443040 |
|---|---|
| Circumference | 177321039.81027 |
| Area | 2.5021346357132E+15 |
Sphere
Radius = n| Volume | 9.4152056885965E+22 |
|---|---|
| Surface area | 1.0008538542853E+16 |
| Circumference | 177321039.81027 |
Square
Length = n| Perimeter | 112886080 |
|---|---|
| Area | 796454191110400 |
| Diagonal | 39911256.334784 |
Cube
Length = n| Surface area | 4778725146662400 |
|---|---|
| Volume | 2.2477147883506E+22 |
| Space diagonal | 48881106.506821 |
Equilateral Triangle
Length = n| Perimeter | 84664560 |
|---|---|
| Area | 3.448747812261E+14 |
| Altitude | 24440553.253411 |
Triangular Pyramid
Length = n| Surface area | 3.448747812261E+14 |
|---|---|
| Volume | 2.6489572816933E+21 |
| Height | 13303752.111595 |