18949968 (number)
18949968 is an even 8-digits composite number following 18949967 and preceding 18949969. In scientific notation, it is written as 1.8949968 × 10^7. The sum of its digits is 54. It has a total of 7 prime factors and 40 positive divisors. There are 5944320 positive integers (up to 18949968) that are relatively prime to 18949968.
Interesting facts
- 18949968 has 40 divisors, whose sum is 43200360
- The reverse of 18949968 is 86994981
- Previous prime number is 17
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 54
- Digital Root 9
Name
| Name | eighteen million nine hundred forty-nine thousand nine hundred sixty-eight |
|---|
Notation
| Scientific notation | 1.8949968 × 10^7 |
|---|---|
| Engineering notation | 1.8949968 × 10^6 |
Prime Factorization of 18949968
Prime Factorization 2 × 2 × 2 × 2 × 9 × 17 × 7741
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2368746 | Product of the distinct prime numbers |
The prime factorization of 18949968 is 2 × 2 × 2 × 2 × 9 × 17 × 7741. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18949968)
Multiplication
n×y| n×2 | 37899936 |
|---|---|
| n×3 | 56849904 |
| n×4 | 75799872 |
| n×5 | 94749840 |
Division
n÷y| n÷2 | 9474984 |
|---|---|
| n÷3 | 6316656 |
| n÷3 | 4737492 |
| n÷5 | 3789993.6 |
Exponentiation
ny| n2 | 359101287201024 |
|---|---|
| n3 | 6.8049579012182E+21 |
| n4 | 1.2895373446943E+29 |
| n5 | 2.4436691416762E+36 |
Nth Root
y√n| 2√n | 4353.1560964431 |
|---|---|
| 3√n | 266.6057388581 |
| 4√n | 65.978451758458 |
| 5√n | 28.544451106369 |
Divisors of 18949968
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 | -18949967 | 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 18949968 can be divided by 40 positive divisors. The sum of these divisors (counting 18949968) is 1, the average is 0.025.
Base conversion 18949968
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001000010010011101010000 |
| 3 | Ternary | 1022122202110200 |
| 4 | Quaternary | 1020102131100 |
| 5 | Quinary | 14322344333 |
| 6 | Senary | 1514055200 |
| 8 | Octal | 110223520 |
| 10 | Decimal | 18949968 |
| 12 | Duodecimal | 641a500 |
| 16 | Hexadecimal | 1212750 |
| 20 | Vigesimal | 5i8ei8 |
| 36 | Base36 | ba5w0 |
Cryptographic Hash Functions
| md5 | de9e386efc22026548fe8940f5abb526 |
|---|---|
| sha1 | fc404fd0fbb81376e905454cba2f0dbbe77973b7 |
| sha256 | bd45e4eee548ad95362142f8959453b69dc5a151fc3eae94ff89b1edd3be8580 |
| sha512 | bff1c81c6d3d6741e0761437b6aadfa4625d312f55d3f7c693dbb3697d00f41e9a4c60cb0b381ec76b070d6a3cb1b96d2e5a8537dbb5c24829a6b0ad01cad07f |
| ripemd-160 | 1d0d4868a9b28957420ce6191f8b406f950e37cd |
18949968 as geometric shapes
Circle
Radius = n| Diameter | 37899936 |
|---|---|
| Circumference | 119066160.50912 |
| Area | 1.1281499657654E+15 |
Sphere
Radius = n| Volume | 2.8504541000607E+22 |
|---|---|
| Surface area | 4.5125998630615E+15 |
| Circumference | 119066160.50912 |
Square
Length = n| Perimeter | 75799872 |
|---|---|
| Area | 359101287201024 |
| Diagonal | 26799301.752136 |
Cube
Length = n| Surface area | 2154607723206144 |
|---|---|
| Volume | 6.8049579012182E+21 |
| Space diagonal | 32822307.377804 |
Equilateral Triangle
Length = n| Perimeter | 56849904 |
|---|---|
| Area | 1.5549541862389E+14 |
| Altitude | 16411153.688902 |
Triangular Pyramid
Length = n| Surface area | 1.5549541862389E+14 |
|---|---|
| Volume | 8.0197197960673E+20 |
| Height | 8933100.5840454 |