19997488 (number)
19997488 is an even 8-digits composite number following 19997487 and preceding 19997489. In scientific notation, it is written as 1.9997488 × 10^7. The sum of its digits is 55. It has a total of 7 prime factors and 40 positive divisors. There are 8190336 positive integers (up to 19997488) that are relatively prime to 19997488.
Interesting facts
- 19997488 has 40 divisors, whose sum is 41292000
- The reverse of 19997488 is 88479991
- Previous prime number is 23
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 55
- Digital Root 1
Name
| Name | nineteen million nine hundred ninety-seven thousand four hundred eighty-eight |
|---|
Notation
| Scientific notation | 1.9997488 × 10^7 |
|---|---|
| Engineering notation | 1.9997488 × 10^6 |
Prime Factorization of 19997488
Prime Factorization 2 × 2 × 2 × 2 × 49 × 23 × 1109
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2499686 | Product of the distinct prime numbers |
The prime factorization of 19997488 is 2 × 2 × 2 × 2 × 49 × 23 × 1109. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 19997488)
Multiplication
n×y| n×2 | 39994976 |
|---|---|
| n×3 | 59992464 |
| n×4 | 79989952 |
| n×5 | 99987440 |
Division
n÷y| n÷2 | 9998744 |
|---|---|
| n÷3 | 6665829.3333333 |
| n÷3 | 4999372 |
| n÷5 | 3999497.6 |
Exponentiation
ny| n2 | 399899526310144 |
|---|---|
| n3 | 7.9969859785928E+21 |
| n4 | 1.5991963114308E+29 |
| n5 | 3.1979909047481E+36 |
Nth Root
y√n| 2√n | 4471.8550960424 |
|---|---|
| 3√n | 271.43039682191 |
| 4√n | 66.871930554175 |
| 5√n | 28.853273269294 |
Divisors of 19997488
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 | -19997487 | 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 19997488 can be divided by 40 positive divisors. The sum of these divisors (counting 19997488) is 1, the average is 0.025.
Base conversion 19997488
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001100010010001100110000 |
| 3 | Ternary | 1101121222101201 |
| 4 | Quaternary | 1030102030300 |
| 5 | Quinary | 20104404423 |
| 6 | Senary | 1552340544 |
| 8 | Octal | 114221460 |
| 10 | Decimal | 19997488 |
| 12 | Duodecimal | 6844754 |
| 16 | Hexadecimal | 1312330 |
| 20 | Vigesimal | 64jde8 |
| 36 | Base36 | bwm5s |
Cryptographic Hash Functions
| md5 | 765113119ba2f85a6bac786419539684 |
|---|---|
| sha1 | ffa5f5f2d164cb642da084f295560cc8010a1866 |
| sha256 | 1cf168c5ca39080308698e61815ba23a3fd7c10e9e3b77053e2ac96b755d971a |
| sha512 | ae1bddeb21d54d3d4a37f2d39672fccbd344e54db8ed437ec1250a9ad2ba34e0e2a322807958e729f461467bf51e3c9a6143f7ff674d9ad6709712970b496a3c |
| ripemd-160 | 623698373661d8d750672fc669a1abc7a0f0d776 |
19997488 as geometric shapes
Circle
Radius = n| Diameter | 39994976 |
|---|---|
| Circumference | 125647922.7821 |
| Area | 1.25632141403E+15 |
Sphere
Radius = n| Volume | 3.3497696534944E+22 |
|---|---|
| Surface area | 5.0252856561199E+15 |
| Circumference | 125647922.7821 |
Square
Length = n| Perimeter | 79989952 |
|---|---|
| Area | 399899526310144 |
| Diagonal | 28280718.742993 |
Cube
Length = n| Surface area | 2399397157860864 |
|---|---|
| Volume | 7.9969859785928E+21 |
| Space diagonal | 34636665.239749 |
Equilateral Triangle
Length = n| Perimeter | 59992464 |
|---|---|
| Area | 1.7316157437297E+14 |
| Altitude | 17318332.619874 |
Triangular Pyramid
Length = n| Surface area | 1.7316157437297E+14 |
|---|---|
| Volume | 9.4245383575278E+20 |
| Height | 9426906.2476644 |