The number 29018
29018 is a composite number with 8 divisors. Its prime factorisation is 2 × 11 × 1319. Divisors (8): 1, 2, 11, 22, 1319, 2638, 14509, 29018.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
29018 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
29018 is composite. Its prime factorisation is
- 3
The divisors add up to 47520; without 29018 itself that is 18502, so 29018 is deficient (18502 is less than 29018). Euler's totient φ(29018) = 13180 numbers up to 29018 share no factor with it.
- 4
The digits of 29018 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 59 steps to reach 1.
LaTeX source of the formulas on this page
\[ 29018 = 2 \times 11 \times 1319 \]
29018 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 47520 |
| Euler totient φ(n) | 13180 |
| Square | 842044324 |
| Cube | 24434442193832 |
| Square root | 170.346705 |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 59 |
| Scientific notation | 2.9018 × |
29018 in other forms
| Form | Value |
|---|---|
| In words | twenty-nine thousand and eighteen |
| Binary (base 2) | 111000101011010 |
| Octal (base 8) | 70532 |
| Hexadecimal (base 16) | 715A |
| Base 3 | 1110210202 |
| As time | 29018 seconds = 8 h 3 min 38 s |
Is 29018 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (29018 ÷ 2 = 14509) | 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 3) | 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 | Yes (29018 ÷ 11 = 2638) | 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 29018 a prime number?
No. 29018 = 2 × 11 × 1319, so it is divisible by 2.
What are the factors of 29018?
1, 2, 11, 22, 1319, 2638, 14509, 29018.
What is 29018 in binary?
111000101011010 (hexadecimal 715A, octal 70532).
What is the square root of 29018?
About 170.3467.
Is 29018 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 29018?
It is a composite number with 8 divisors.