20145424 (number)
20145424 is an even 8-digits composite number following 20145423 and preceding 20145425. In scientific notation, it is written as 2.0145424 × 10^7. The sum of its digits is 22. It has a total of 7 prime factors and 40 positive divisors. There are 8891520 positive integers (up to 20145424) that are relatively prime to 20145424.
Interesting facts
- 20145424 has 40 divisors, whose sum is 43872192
- The reverse of 20145424 is 42454102
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 22
- Digital Root 4
Name
| Name | twenty million one hundred forty-five thousand four hundred twenty-four |
|---|
Notation
| Scientific notation | 2.0145424 × 10^7 |
|---|---|
| Engineering notation | 2.0145424 × 10^6 |
Prime Factorization of 20145424
Prime Factorization 2 × 2 × 2 × 2 × 13 × 23 × 4211
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2518178 | Product of the distinct prime numbers |
The prime factorization of 20145424 is 2 × 2 × 2 × 2 × 13 × 23 × 4211. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20145424)
Multiplication
n×y| n×2 | 40290848 |
|---|---|
| n×3 | 60436272 |
| n×4 | 80581696 |
| n×5 | 100727120 |
Division
n÷y| n÷2 | 10072712 |
|---|---|
| n÷3 | 6715141.3333333 |
| n÷3 | 5036356 |
| n÷5 | 4029084.8 |
Exponentiation
ny| n2 | 405838108139776 |
|---|---|
| n3 | 8.1757807638336E+21 |
| n4 | 1.6470457001847E+29 |
| n5 | 3.3180433977598E+36 |
Nth Root
y√n| 2√n | 4488.3654040196 |
|---|---|
| 3√n | 272.09807593553 |
| 4√n | 66.995264041719 |
| 5√n | 28.895837244429 |
Divisors of 20145424
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 | -20145423 | 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 20145424 can be divided by 40 positive divisors. The sum of these divisors (counting 20145424) is 1, the average is 0.025.
Base conversion 20145424
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100110110010100010000 |
| 3 | Ternary | 1101220111022211 |
| 4 | Quaternary | 1030312110100 |
| 5 | Quinary | 20124123144 |
| 6 | Senary | 1555441504 |
| 8 | Octal | 114662420 |
| 10 | Decimal | 20145424 |
| 12 | Duodecimal | 68b6294 |
| 16 | Hexadecimal | 1336510 |
| 20 | Vigesimal | 65i3b4 |
| 36 | Base36 | bzsb4 |
Cryptographic Hash Functions
| md5 | d521d43dab35dfbc91e254a4e9e229d6 |
|---|---|
| sha1 | a96f7b4ccd5a11d8b50d4443e6c8c2264d996bab |
| sha256 | a6b042ebc2fe76912f821317db5ce64c66e32bf4c8c2fa245390802228ff9178 |
| sha512 | f60cbee823eac14bdcd4e06c6d551b7c5691b382ee7240e5c6ec2bf54cbf48e8d956d83e090714e08f5c475003ba52741a40783235af383567a960877581f81f |
| ripemd-160 | 69dfe8022455db17a4b464bb83d76767f834f8b5 |
20145424 as geometric shapes
Circle
Radius = n| Diameter | 40290848 |
|---|---|
| Circumference | 126577432.0837 |
| Area | 1.2749780190787E+15 |
Sphere
Radius = n| Volume | 3.4246630380027E+22 |
|---|---|
| Surface area | 5.0999120763148E+15 |
| Circumference | 126577432.0837 |
Square
Length = n| Perimeter | 80581696 |
|---|---|
| Area | 405838108139776 |
| Diagonal | 28489931.840556 |
Cube
Length = n| Surface area | 2435028648838656 |
|---|---|
| Volume | 8.1757807638336E+21 |
| Space diagonal | 34892897.908017 |
Equilateral Triangle
Length = n| Perimeter | 60436272 |
|---|---|
| Area | 1.7573305573643E+14 |
| Altitude | 17446448.954009 |
Triangular Pyramid
Length = n| Surface area | 1.7573305573643E+14 |
|---|---|
| Volume | 9.6352500326688E+20 |
| Height | 9496643.9468521 |