The number 61013
61013 is a composite number with 8 divisors. Its prime factorisation is 17 × 37 × 97. Divisors (8): 1, 17, 37, 97, 629, 1649, 3589, 61013.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
61013 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
61013 is composite. Its prime factorisation is
- 3
The divisors add up to 67032; without 61013 itself that is 6019, so 61013 is deficient (6019 is less than 61013). Euler's totient φ(61013) = 55296 numbers up to 61013 share no factor with it.
- 4
The digits of 61013 add up to 11, and repeating that until one digit is left gives the digital root 2. The Collatz sequence (halve if even, else 3n+1) takes 34 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61013 = 17 \times 37 \times 97 \]
61013 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 67032 |
| Euler totient φ(n) | 55296 |
| Square | 3722586169 |
| Cube | 227126149929197 |
| Square root | 247.008097 |
| Digit sum / digital root | 11 / 2 |
| Collatz steps to 1 | 34 |
| Scientific notation | 6.1013 × |
61013 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand and thirteen |
| Binary (base 2) | 1110111001010101 |
| Octal (base 8) | 167125 |
| Hexadecimal (base 16) | EE55 |
| Base 3 | 10002200202 |
| As time | 61013 seconds = 16 h 56 min 53 s |
Is 61013 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 | No (remainder 3) | 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 | No (remainder 1) | 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 5) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 7) | 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 61013 a prime number?
No. 61013 = 17 × 37 × 97, so it is divisible by 17.
What are the factors of 61013?
1, 17, 37, 97, 629, 1649, 3589, 61013.
What is 61013 in binary?
1110111001010101 (hexadecimal EE55, octal 167125).
What is the square root of 61013?
About 247.0081.
Is 61013 divisible by 3?
No. Its digits add up to 11, which is not a multiple of 3.
What is special about the number 61013?
It is a composite number with 8 divisors.