20187888 (number)
20187888 is an even 8-digits composite number following 20187887 and preceding 20187889. In scientific notation, it is written as 2.0187888 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 5767872 positive integers (up to 20187888) that are relatively prime to 20187888.
Interesting facts
- 20187888 has 40 divisors, whose sum is 59603328
- The reverse of 20187888 is 88878102
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
| Name | twenty million one hundred eighty-seven thousand eight hundred eighty-eight |
|---|
Notation
| Scientific notation | 2.0187888 × 10^7 |
|---|---|
| Engineering notation | 2.0187888 × 10^6 |
Prime Factorization of 20187888
Prime Factorization 2 × 2 × 2 × 2 × 3 × 7 × 60083
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2523486 | Product of the distinct prime numbers |
The prime factorization of 20187888 is 2 × 2 × 2 × 2 × 3 × 7 × 60083. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20187888)
Multiplication
n×y| n×2 | 40375776 |
|---|---|
| n×3 | 60563664 |
| n×4 | 80751552 |
| n×5 | 100939440 |
Division
n÷y| n÷2 | 10093944 |
|---|---|
| n÷3 | 6729296 |
| n÷3 | 5046972 |
| n÷5 | 4037577.6 |
Exponentiation
ny| n2 | 407550821900544 |
|---|---|
| n3 | 8.2275903468361E+21 |
| n4 | 1.6609767243181E+29 |
| n5 | 3.353161208114E+36 |
Nth Root
y√n| 2√n | 4493.0933664904 |
|---|---|
| 3√n | 272.28912451321 |
| 4√n | 67.030540550486 |
| 5√n | 28.908008738734 |
Divisors of 20187888
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 | -20187887 | 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 20187888 can be divided by 40 positive divisors. The sum of these divisors (counting 20187888) is 1, the average is 0.025.
Base conversion 20187888
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001101000000101011110000 |
| 3 | Ternary | 1101222122120120 |
| 4 | Quaternary | 1031000223300 |
| 5 | Quinary | 20132003023 |
| 6 | Senary | 2000410240 |
| 8 | Octal | 115005360 |
| 10 | Decimal | 20187888 |
| 12 | Duodecimal | 6916980 |
| 16 | Hexadecimal | 1340af0 |
| 20 | Vigesimal | 6639e8 |
| 36 | Base36 | c0p2o |
Cryptographic Hash Functions
| md5 | 7be9f172916311b45c97d56af7bb669e |
|---|---|
| sha1 | 233af4a11eb5ae77ff0ce7fbe3d91d484b82ac04 |
| sha256 | cb5ffe114d7749c60f739ae76adeac5daa7708d8d72a17bea9ac6299e660dc3b |
| sha512 | e00955a95ec56682f9c0c0029f480554858d5fa9cfe8d700ca385425c8d263e1b163701720bcb856e8e58c347972b64a00e51c6bbc19797d88c6cda26e86f93e |
| ripemd-160 | 385198bc6f3c780ee201e4a0e9751bb9c0437b69 |
20187888 as geometric shapes
Circle
Radius = n| Diameter | 40375776 |
|---|---|
| Circumference | 126844241.26459 |
| Area | 1.2803586680472E+15 |
Sphere
Radius = n| Volume | 3.4463649853822E+22 |
|---|---|
| Surface area | 5.1214346721889E+15 |
| Circumference | 126844241.26459 |
Square
Length = n| Perimeter | 80751552 |
|---|---|
| Area | 407550821900544 |
| Diagonal | 28549985.005269 |
Cube
Length = n| Surface area | 2445304931403264 |
|---|---|
| Volume | 8.2275903468361E+21 |
| Space diagonal | 34966447.71351 |
Equilateral Triangle
Length = n| Perimeter | 60563664 |
|---|---|
| Area | 1.7647468254955E+14 |
| Altitude | 17483223.856755 |
Triangular Pyramid
Length = n| Surface area | 1.7647468254955E+14 |
|---|---|
| Volume | 9.696308211788E+20 |
| Height | 9516661.668423 |