18984912 (number)
18984912 is an even 8-digits composite number following 18984911 and preceding 18984913. In scientific notation, it is written as 1.8984912 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 6279936 positive integers (up to 18984912) that are relatively prime to 18984912.
Interesting facts
- 18984912 has 40 divisors, whose sum is 49419456
- The reverse of 18984912 is 21948981
- Previous prime number is 137
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 42
- Digital Root 6
Name
| Name | eighteen million nine hundred eighty-four thousand nine hundred twelve |
|---|
Notation
| Scientific notation | 1.8984912 × 10^7 |
|---|---|
| Engineering notation | 1.8984912 × 10^6 |
Prime Factorization of 18984912
Prime Factorization 2 × 2 × 2 × 2 × 3 × 137 × 2887
Composite number| ω | Distinct Factors | 4 | Total number of distinct prime factors |
|---|---|---|---|
| Ω | Total Factors | 7 | Total number of prime factors |
| rad | Radical | 2373114 | Product of the distinct prime numbers |
The prime factorization of 18984912 is 2 × 2 × 2 × 2 × 3 × 137 × 2887. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 18984912)
Multiplication
n×y| n×2 | 37969824 |
|---|---|
| n×3 | 56954736 |
| n×4 | 75939648 |
| n×5 | 94924560 |
Division
n÷y| n÷2 | 9492456 |
|---|---|
| n÷3 | 6328304 |
| n÷3 | 4746228 |
| n÷5 | 3796982.4 |
Exponentiation
ny| n2 | 360426883647744 |
|---|---|
| n3 | 6.8426726684867E+21 |
| n4 | 1.2990753845602E+29 |
| n5 | 2.4662831857242E+36 |
Nth Root
y√n| 2√n | 4357.1678875159 |
|---|---|
| 3√n | 266.76951310746 |
| 4√n | 66.008847039741 |
| 5√n | 28.554970621574 |
Divisors of 18984912
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 | -18984911 | 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 18984912 can be divided by 40 positive divisors. The sum of these divisors (counting 18984912) is 1, the average is 0.025.
Base conversion 18984912
| Base | System | Value |
|---|---|---|
| 2 | Binary | 1001000011010111111010000 |
| 3 | Ternary | 1022201112101220 |
| 4 | Quaternary | 1020122333100 |
| 5 | Quinary | 14330004122 |
| 6 | Senary | 1514525040 |
| 8 | Octal | 110327720 |
| 10 | Decimal | 18984912 |
| 12 | Duodecimal | 6436780 |
| 16 | Hexadecimal | 121afd0 |
| 20 | Vigesimal | 5id25c |
| 36 | Base36 | bawuo |
Cryptographic Hash Functions
| md5 | c93f48db951c892cc24d3d759f964c43 |
|---|---|
| sha1 | 5d01438cc1509f27a1bd063559ac4d8d0e9cfa6d |
| sha256 | 891e2daa3e5ea6ab21fd4c7511960eca746a8cf663c77c53c474cf2fecdc7566 |
| sha512 | 054b70172fc22e229f18cda092768aff6ac05701ad157947956a38f8a7718696b0c05591c29e9c78922e07f1a09fbe6e0087b3352ebba2a0e890b6031c18b550 |
| ripemd-160 | 126074775eb71352e9bb102ce09a71deb8d9f4b2 |
18984912 as geometric shapes
Circle
Radius = n| Diameter | 37969824 |
|---|---|
| Circumference | 119285720.1365 |
| Area | 1.132314449824E+15 |
Sphere
Radius = n| Volume | 2.8662520248316E+22 |
|---|---|
| Surface area | 4.5292577992961E+15 |
| Circumference | 119285720.1365 |
Square
Length = n| Perimeter | 75939648 |
|---|---|
| Area | 360426883647744 |
| Diagonal | 26848720.03086 |
Cube
Length = n| Surface area | 2162561301886464 |
|---|---|
| Volume | 6.8426726684867E+21 |
| Space diagonal | 32882832.161224 |
Equilateral Triangle
Length = n| Perimeter | 56954736 |
|---|---|
| Area | 1.560694187229E+14 |
| Altitude | 16441416.080612 |
Triangular Pyramid
Length = n| Surface area | 1.560694187229E+14 |
|---|---|
| Volume | 8.0641670755446E+20 |
| Height | 8949573.3436199 |