The number 61304
61304 is a composite number with 16 divisors. Its prime factorisation is × 79 × 97. Divisors (16): 1, 2, 4, 8, 79, 97, 158, 194, 316, 388, 632, 776, 7663, 15326, 30652, 61304.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
61304 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
61304 is composite. Its prime factorisation is
- 3
The divisors add up to 117600; without 61304 itself that is 56296, so 61304 is deficient (56296 is less than 61304). Euler's totient φ(61304) = 29952 numbers up to 61304 share no factor with it.
- 4
The digits of 61304 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 91 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61304 = 2^{3} \times 79 \times 97 \]61304 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 117600 |
| Euler totient φ(n) | 29952 |
| Square | 3758180416 |
| Cube | 230391492222464 |
| Square root | 247.596446 (= 2√15326) |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 91 |
| Scientific notation | 6.1304 × |
61304 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand three hundred and four |
| Binary (base 2) | 1110111101111000 |
| Octal (base 8) | 167570 |
| Hexadecimal (base 16) | EF78 |
| Base 3 | 10010002112 |
| As time | 61304 seconds = 17 h 1 min 44 s |
Is 61304 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (61304 ÷ 2 = 30652) | 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 | Yes (61304 ÷ 4 = 15326) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | 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 | Yes (61304 ÷ 8 = 7663) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | 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 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 61304 a prime number?
No. 61304 = × 79 × 97, so it is divisible by 2.
What are the factors of 61304?
1, 2, 4, 8, 79, 97, 158, 194, 316, 388, 632, 776, 7663, 15326, 30652, 61304.
What is 61304 in binary?
1110111101111000 (hexadecimal EF78, octal 167570).
What is the square root of 61304?
About 247.5964, exactly 2√15326.
Is 61304 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 61304?
It is a composite number with 16 divisors.