The number 61016
61016 is a palindrome: it reads 61016 backwards too. Its prime factorisation is × 29 × 263. Divisors (16): 1, 2, 4, 8, 29, 58, 116, 232, 263, 526, 1052, 2104, 7627, 15254, 30508, 61016.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 61016: a palindrome: it reads 61016 backwards too.
- 2
61016 is composite. Its prime factorisation is
- 3
The divisors add up to 118800; without 61016 itself that is 57784, so 61016 is deficient (57784 is less than 61016). Euler's totient φ(61016) = 29344 numbers up to 61016 share no factor with it.
- 4
The digits of 61016 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 86 steps to reach 1.
LaTeX source of the formulas on this page
\[ 61016 = 2^{3} \times 29 \times 263 \]61016 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 118800 |
| Euler totient φ(n) | 29344 |
| Square | 3722952256 |
| Cube | 227159654852096 |
| Square root | 247.014170 (= 2√15254) |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 86 |
| Scientific notation | 6.1016 × |
61016 in other forms
| Form | Value |
|---|---|
| In words | sixty-one thousand and sixteen |
| Binary (base 2) | 1110111001011000 |
| Octal (base 8) | 167130 |
| Hexadecimal (base 16) | EE58 |
| Base 3 | 10002200212 |
| As time | 61016 seconds = 16 h 56 min 56 s |
Is 61016 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (61016 ÷ 2 = 30508) | 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 (61016 ÷ 4 = 15254) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | 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 4) | 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 (61016 ÷ 8 = 7627) | 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 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 61016 a prime number?
No. 61016 = × 29 × 263, so it is divisible by 2.
What are the factors of 61016?
1, 2, 4, 8, 29, 58, 116, 232, 263, 526, 1052, 2104, 7627, 15254, 30508, 61016.
What is 61016 in binary?
1110111001011000 (hexadecimal EE58, octal 167130).
What is the square root of 61016?
About 247.0142, exactly 2√15254.
Is 61016 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 61016?
61016 is a palindrome: it reads 61016 backwards too.