The number 60669
60669 is a composite number with 20 divisors. Its prime factorisation is × 7 × 107. Divisors (20): 1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 321, 567, 749, 963, 2247, 2889 … 60669.
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How to work it out
- 1
What is special about 60669: a Harshad number: divisible by its digit sum 27.
- 2
60669 is composite. Its prime factorisation is
- 3
The divisors add up to 104544; without 60669 itself that is 43875, so 60669 is deficient (43875 is less than 60669). Euler's totient φ(60669) = 34344 numbers up to 60669 share no factor with it.
- 4
The digits of 60669 add up to 27, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 86 steps to reach 1.
LaTeX source of the formulas on this page
\[ 60669 = 3^{4} \times 7 \times 107 \]60669 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 20 |
| Sum of divisors | 104544 |
| Euler totient φ(n) | 34344 |
| Square | 3680727561 |
| Cube | 223306060398309 |
| Square root | 246.310779 (= 9√749) |
| Digit sum / digital root | 27 / 9 |
| Collatz steps to 1 | 86 |
| Scientific notation | 6.0669 × |
60669 in other forms
| Form | Value |
|---|---|
| In words | sixty thousand six hundred and sixty-nine |
| Binary (base 2) | 1110110011111101 |
| Octal (base 8) | 166375 |
| Hexadecimal (base 16) | ECFD |
| Base 3 | 10002020000 |
| As time | 60669 seconds = 16 h 51 min 9 s |
Is 60669 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 | Yes (60669 ÷ 3 = 20223) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (60669 ÷ 7 = 8667) | 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 | Yes (60669 ÷ 9 = 6741) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 60669 a prime number?
No. 60669 = × 7 × 107, so it is divisible by 3.
What are the factors of 60669?
1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 321, 567, 749, 963, 2247, 2889, 6741, 8667, 20223, 60669.
What is 60669 in binary?
1110110011111101 (hexadecimal ECFD, octal 166375).
What is the square root of 60669?
About 246.3108, exactly 9√749.
Is 60669 divisible by 3?
Yes. Its digits add up to 27, a multiple of 3.
What is special about the number 60669?
60669 is a Harshad number: divisible by its digit sum 27.