20018900 (number)
20018900 is an even 8-digits composite number following 20018899 and preceding 20018901. In scientific notation, it is written as 2.0018900 × 10^7. The sum of its digits is 20. It has a total of 6 prime factors and 36 positive divisors. There are 7279200 positive integers (up to 20018900) that are relatively prime to 20018900.
Interesting facts
- 20018900 has 36 divisors, whose sum is 47392800
- The reverse of 20018900 is 00981002
- Previous prime number is 11
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 20
- Digital Root 2
Name
| Name | twenty million eighteen thousand nine hundred |
|---|
Notation
| Scientific notation | 2.0018900 × 10^7 |
|---|---|
| Engineering notation | 2.0018900 × 10^6 |
Prime Factorization of 20018900
Prime Factorization 2 × 2 × 5 × 5 × 11 × 18199
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 6 | Total number of prime factors |
| rad | Radical | 2001890 | Product of the distinct prime numbers |
The prime factorization of 20018900 is 2 × 2 × 5 × 5 × 11 × 18199. Since it has a total of 6 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20018900)
Multiplication
n×y| n×2 | 40037800 |
|---|---|
| n×3 | 60056700 |
| n×4 | 80075600 |
| n×5 | 100094500 |
Division
n÷y| n÷2 | 10009450 |
|---|---|
| n÷3 | 6672966.6666667 |
| n÷3 | 5004725 |
| n÷5 | 4003780 |
Exponentiation
ny| n2 | 400756357210000 |
|---|---|
| n3 | 8.0227014393513E+21 |
| n4 | 1.6060565784423E+29 |
| n5 | 3.2151486038178E+36 |
Nth Root
y√n| 2√n | 4474.2485402579 |
|---|---|
| 3√n | 271.52723889474 |
| 4√n | 66.889823891665 |
| 5√n | 28.859449463569 |
Divisors of 20018900
36 divisors
| τ | Total Divisors | 36 | Total number of the positive divisors of n |
|---|---|---|---|
| σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
| s | Aliquot Sum | -20018899 | Sum of the proper positive divisors of n |
| A | Arithmetic Mean | 0.027777777777778 | 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 | 36 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20018900 can be divided by 36 positive divisors. The sum of these divisors (counting 20018900) is 1, the average is 0.027777777777778.
Base conversion 20018900
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100010111011011010100 |
| 3 | Ternary | 1101200001202202 |
| 4 | Quaternary | 1030113123110 |
| 5 | Quinary | 20111101100 |
| 6 | Senary | 1553024032 |
| 8 | Octal | 114273324 |
| 10 | Decimal | 20018900 |
| 12 | Duodecimal | 6855018 |
| 16 | Hexadecimal | 13176d4 |
| 20 | Vigesimal | 652750 |
| 36 | Base36 | bx2ok |
Cryptographic Hash Functions
| md5 | f245a0df333ceee355300dc856d023e0 |
|---|---|
| sha1 | 7d255713281a3c05cc418850b2faf806fff6fcfc |
| sha256 | 8ad4b99210a62650d222284a1900d64cb6f19391182fde574162b5dc0d2f10aa |
| sha512 | 66066b7b7ecb116fc40bb968d80be0b4291df2eeb6f5d5f1013c473cac72ae19f6d5a658652e3d5c90effadf9f0f934add771780769e2d4069f150603c01579c |
| ripemd-160 | 9a866656eb760f638b45634c13dc6ab4561276c2 |
20018900 as geometric shapes
Circle
Radius = n| Diameter | 40037800 |
|---|---|
| Circumference | 125782458.3459 |
| Area | 1.2590132276903E+15 |
Sphere
Radius = n| Volume | 3.360541320508E+22 |
|---|---|
| Surface area | 5.0360529107614E+15 |
| Circumference | 125782458.3459 |
Square
Length = n| Perimeter | 80075600 |
|---|---|
| Area | 400756357210000 |
| Diagonal | 28310999.883791 |
Cube
Length = n| Surface area | 2404538143260000 |
|---|---|
| Volume | 8.0227014393513E+21 |
| Space diagonal | 34673751.911641 |
Equilateral Triangle
Length = n| Perimeter | 60056700 |
|---|---|
| Area | 1.7353259303599E+14 |
| Altitude | 17336875.95582 |
Triangular Pyramid
Length = n| Surface area | 1.7353259303599E+14 |
|---|---|
| Volume | 9.4548443186673E+20 |
| Height | 9436999.9612636 |