18219984 (number)
18219984 is an even 8-digits composite number following 18219983 and preceding 18219985. In scientific notation, it is written as 1.8219984 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 5908608 positive integers (up to 18219984) that are relatively prime to 18219984.
Interesting facts
- 18219984 has 40 divisors, whose sum is 48345120
- The reverse of 18219984 is 48991281
- Previous prime number is 37
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
| Name | eighteen million two hundred nineteen thousand nine hundred eighty-four |
|---|
Notation
| Scientific notation | 1.8219984 × 10^7 |
|---|---|
| Engineering notation | 1.8219984 × 10^6 |
Prime Factorization of 18219984
Prime Factorization 2 × 2 × 2 × 2 × 3 × 37 × 10259
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2277498 | Product of the distinct prime numbers |
The prime factorization of 18219984 is 2 × 2 × 2 × 2 × 3 × 37 × 10259. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18219984)
Multiplication
n×y| n×2 | 36439968 |
|---|---|
| n×3 | 54659952 |
| n×4 | 72879936 |
| n×5 | 91099920 |
Division
n÷y| n÷2 | 9109992 |
|---|---|
| n÷3 | 6073328 |
| n÷3 | 4554996 |
| n÷5 | 3643996.8 |
Exponentiation
ny| n2 | 331967816960256 |
|---|---|
| n3 | 6.0484483135308E+21 |
| n4 | 1.1020263149736E+29 |
| n5 | 2.0078901826398E+36 |
Nth Root
y√n| 2√n | 4268.4873198828 |
|---|---|
| 3√n | 263.13745122311 |
| 4√n | 65.333661460864 |
| 5√n | 28.321066140697 |
Divisors of 18219984
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 | -18219983 | 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 18219984 can be divided by 40 positive divisors. The sum of these divisors (counting 18219984) is 1, the average is 0.025.
Base conversion 18219984
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1000101100000001111010000 |
| 3 | Ternary | 1021021200010020 |
| 4 | Quaternary | 1011200033100 |
| 5 | Quinary | 14131014414 |
| 6 | Senary | 1450303440 |
| 8 | Octal | 105401720 |
| 10 | Decimal | 18219984 |
| 12 | Duodecimal | 6127b80 |
| 16 | Hexadecimal | 11603d0 |
| 20 | Vigesimal | 5dh9j4 |
| 36 | Base36 | auimo |
Cryptographic Hash Functions
| md5 | 15bdfad31399514b14f77bbd33110dbc |
|---|---|
| sha1 | b147b0ce090c6b0cd0d2a57cf1f48936fad02ae8 |
| sha256 | ac080d814b0efe6c1c318570ffe23c400cf892062f4541ae5103274918446232 |
| sha512 | e1612e4f653b6b3587151dd5c2ac945e9c6eb7eba2271e403aa19f1580d75a513f929ec9cb4289a188a647199ec257a5e79a10f95127f0aa58eb174c832c3fdf |
| ripemd-160 | ee3f1ac96415c15dc9185705d1552a2b4aaac471 |
18219984 as geometric shapes
Circle
Radius = n| Diameter | 36439968 |
|---|---|
| Circumference | 114479535.76585 |
| Area | 1.0429076549906E+15 |
Sphere
Radius = n| Volume | 2.5335681049875E+22 |
|---|---|
| Surface area | 4.1716306199623E+15 |
| Circumference | 114479535.76585 |
Square
Length = n| Perimeter | 72879936 |
|---|---|
| Area | 331967816960256 |
| Diagonal | 25766948.479021 |
Cube
Length = n| Surface area | 1991806901761536 |
|---|---|
| Volume | 6.0484483135308E+21 |
| Space diagonal | 31557938.001092 |
Equilateral Triangle
Length = n| Perimeter | 54659952 |
|---|---|
| Area | 1.4374628136322E+14 |
| Altitude | 15778969.000546 |
Triangular Pyramid
Length = n| Surface area | 1.4374628136322E+14 |
|---|---|
| Volume | 7.1281646969233E+20 |
| Height | 8588982.8263403 |