The number 83018
83018 is a composite number with 16 divisors. Its prime factorisation is 2 × 13 × 31 × 103. Divisors (16): 1, 2, 13, 26, 31, 62, 103, 206, 403, 806, 1339, 2678, 3193, 6386, 41509, 83018.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
83018 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
83018 is composite. Its prime factorisation is
- 3
The divisors add up to 139776; without 83018 itself that is 56758, so 83018 is deficient (56758 is less than 83018). Euler's totient φ(83018) = 36720 numbers up to 83018 share no factor with it.
- 4
The digits of 83018 add up to 20, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 89 steps to reach 1.
LaTeX source of the formulas on this page
\[ 83018 = 2 \times 13 \times 31 \times 103 \]
83018 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 139776 |
| Euler totient φ(n) | 36720 |
| Square | 6891988324 |
| Cube | 572159086681832 |
| Square root | 288.128444 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 89 |
| Scientific notation | 8.3018 × |
83018 in other forms
| Form | Value |
|---|---|
| In words | eighty-three thousand and eighteen |
| Binary (base 2) | 10100010001001010 |
| Octal (base 8) | 242112 |
| Hexadecimal (base 16) | 1444A |
| Base 3 | 11012212202 |
| As time | 83018 seconds = 23 h 3 min 38 s |
Is 83018 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (83018 ÷ 2 = 41509) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 2) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 1) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 83018 a prime number?
No. 83018 = 2 × 13 × 31 × 103, so it is divisible by 2.
What are the factors of 83018?
1, 2, 13, 26, 31, 62, 103, 206, 403, 806, 1339, 2678, 3193, 6386, 41509, 83018.
What is 83018 in binary?
10100010001001010 (hexadecimal 1444A, octal 242112).
What is the square root of 83018?
About 288.1284.
Is 83018 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 83018?
It is a composite number with 16 divisors.