The number 29225
29225 is a composite number with 12 divisors. Its prime factorisation is × 7 × 167. Divisors (12): 1, 5, 7, 25, 35, 167, 175, 835, 1169, 4175, 5845, 29225.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
29225 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
29225 is composite. Its prime factorisation is
- 3
The divisors add up to 41664; without 29225 itself that is 12439, so 29225 is deficient (12439 is less than 29225). Euler's totient φ(29225) = 19920 numbers up to 29225 share no factor with it.
- 4
The digits of 29225 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 196 steps to reach 1.
LaTeX source of the formulas on this page
\[ 29225 = 5^{2} \times 7 \times 167 \]29225 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 41664 |
| Euler totient φ(n) | 19920 |
| Square | 854100625 |
| Cube | 24961090765625 |
| Square root | 170.953210 (= 5√1169) |
| Digit sum / digital root | 20 / 2 |
| Collatz steps to 1 | 196 |
| Scientific notation | 2.9225 × |
29225 in other forms
| Form | Value |
|---|---|
| In words | twenty-nine thousand two hundred and twenty-five |
| Binary (base 2) | 111001000101001 |
| Octal (base 8) | 71051 |
| Hexadecimal (base 16) | 7229 |
| Base 3 | 1111002102 |
| As time | 29225 seconds = 8 h 7 min 5 s |
Is 29225 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (29225 ÷ 5 = 5845) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (29225 ÷ 7 = 4175) | 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 1) | 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 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 29225 a prime number?
No. 29225 = × 7 × 167, so it is divisible by 5.
What are the factors of 29225?
1, 5, 7, 25, 35, 167, 175, 835, 1169, 4175, 5845, 29225.
What is 29225 in binary?
111001000101001 (hexadecimal 7229, octal 71051).
What is the square root of 29225?
About 170.9532, exactly 5√1169.
Is 29225 divisible by 3?
No. Its digits add up to 20, which is not a multiple of 3.
What is special about the number 29225?
It is a composite number with 12 divisors.