19997744 (number)
19997744 is an even 8-digits composite number following 19997743 and preceding 19997745. In scientific notation, it is written as 1.9997744 × 10^7. The sum of its digits is 50. It has a total of 7 prime factors and 40 positive divisors. There are 9105408 positive integers (up to 19997744) that are relatively prime to 19997744.
Interesting facts
- 19997744 has 40 divisors, whose sum is 42288960
- The reverse of 19997744 is 44779991
- Previous prime number is 79
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 50
- Digital Root 5
Name
| Name | nineteen million nine hundred ninety-seven thousand seven hundred forty-four |
|---|
Notation
| Scientific notation | 1.9997744 × 10^7 |
|---|---|
| Engineering notation | 1.9997744 × 10^6 |
Prime Factorization of 19997744
Prime Factorization 2 × 2 × 2 × 2 × 13 × 79 × 1217
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2499718 | Product of the distinct prime numbers |
The prime factorization of 19997744 is 2 × 2 × 2 × 2 × 13 × 79 × 1217. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 19997744)
Multiplication
n×y| n×2 | 39995488 |
|---|---|
| n×3 | 59993232 |
| n×4 | 79990976 |
| n×5 | 99988720 |
Division
n÷y| n÷2 | 9998872 |
|---|---|
| n÷3 | 6665914.6666667 |
| n÷3 | 4999436 |
| n÷5 | 3999548.8 |
Exponentiation
ny| n2 | 399909765089536 |
|---|---|
| n3 | 7.9972931053607E+21 |
| n4 | 1.5992782021397E+29 |
| n5 | 3.198195607117E+36 |
Nth Root
y√n| 2√n | 4471.8837194185 |
|---|---|
| 3√n | 271.43155506547 |
| 4√n | 66.872144570206 |
| 5√n | 28.853347142574 |
Divisors of 19997744
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 | -19997743 | 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 19997744 can be divided by 40 positive divisors. The sum of these divisors (counting 19997744) is 1, the average is 0.025.
Base conversion 19997744
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100010010010000110000 |
| 3 | Ternary | 1101121222202012 |
| 4 | Quaternary | 1030102100300 |
| 5 | Quinary | 20104411434 |
| 6 | Senary | 1552342052 |
| 8 | Octal | 114222060 |
| 10 | Decimal | 19997744 |
| 12 | Duodecimal | 6844928 |
| 16 | Hexadecimal | 1312430 |
| 20 | Vigesimal | 64je74 |
| 36 | Base36 | bwmcw |
Cryptographic Hash Functions
| md5 | 8ec09b7fa0cdbd6aba73b748fcf7a523 |
|---|---|
| sha1 | 49566224df900b33ff175b37c4a317064a319ae0 |
| sha256 | aad3600cde61d8ad61a21acac229b3a0c0ea4d529a51ffff13d7e798fbe8c3db |
| sha512 | 2a6bfa58cc9ef5d2fbf5a421ac448261948d4fb5b947ab01c2839e3a8c0eb6c2f416cdb22f4bfdcf9f6903f287bf4d8ae33df3d98b6165d5953e6d065facd00e |
| ripemd-160 | 57b0d0f49e1f977c14ead867ed4e8b6fc92e9fe0 |
19997744 as geometric shapes
Circle
Radius = n| Diameter | 39995488 |
|---|---|
| Circumference | 125649531.27754 |
| Area | 1.2563535801041E+15 |
Sphere
Radius = n| Volume | 3.3498983024541E+22 |
|---|---|
| Surface area | 5.0254143204164E+15 |
| Circumference | 125649531.27754 |
Square
Length = n| Perimeter | 79990976 |
|---|---|
| Area | 399909765089536 |
| Diagonal | 28281080.781665 |
Cube
Length = n| Surface area | 2399458590537216 |
|---|---|
| Volume | 7.9972931053607E+21 |
| Space diagonal | 34637108.644756 |
Equilateral Triangle
Length = n| Perimeter | 59993232 |
|---|---|
| Area | 1.731660078945E+14 |
| Altitude | 17318554.322378 |
Triangular Pyramid
Length = n| Surface area | 1.731660078945E+14 |
|---|---|
| Volume | 9.4249003098949E+20 |
| Height | 9427026.9272217 |