The number 29290
29290 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 29 × 101. Divisors (16): 1, 2, 5, 10, 29, 58, 101, 145, 202, 290, 505, 1010, 2929, 5858, 14645, 29290.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
29290 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
29290 is composite. Its prime factorisation is
- 3
The divisors add up to 55080; without 29290 itself that is 25790, so 29290 is deficient (25790 is less than 29290). Euler's totient φ(29290) = 11200 numbers up to 29290 share no factor with it.
- 4
The digits of 29290 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 134 steps to reach 1.
LaTeX source of the formulas on this page
\[ 29290 = 2 \times 5 \times 29 \times 101 \]
29290 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 55080 |
| Euler totient φ(n) | 11200 |
| Square | 857904100 |
| Cube | 25128011089000 |
| Square root | 171.143215 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 134 |
| Scientific notation | 2.929 × |
29290 in other forms
| Form | Value |
|---|---|
| In words | twenty-nine thousand two hundred and ninety |
| Binary (base 2) | 111001001101010 |
| Octal (base 8) | 71152 |
| Hexadecimal (base 16) | 726A |
| Base 3 | 1111011211 |
| As time | 29290 seconds = 8 h 8 min 10 s |
Is 29290 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (29290 ÷ 2 = 14645) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | 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 | Yes (29290 ÷ 5 = 5858) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 2) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (29290 ÷ 10 = 2929) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 29290 a prime number?
No. 29290 = 2 × 5 × 29 × 101, so it is divisible by 2.
What are the factors of 29290?
1, 2, 5, 10, 29, 58, 101, 145, 202, 290, 505, 1010, 2929, 5858, 14645, 29290.
What is 29290 in binary?
111001001101010 (hexadecimal 726A, octal 71152).
What is the square root of 29290?
About 171.1432.
Is 29290 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 29290?
It is a composite number with 16 divisors.