The number 39010
39010 is a composite number with 16 divisors. Its prime factorisation is 2 × 5 × 47 × 83. Divisors (16): 1, 2, 5, 10, 47, 83, 94, 166, 235, 415, 470, 830, 3901, 7802, 19505, 39010.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 39010: a happy number: repeatedly adding the squares of its digits reaches 1.
- 2
39010 is composite. Its prime factorisation is
- 3
The divisors add up to 72576; without 39010 itself that is 33566, so 39010 is deficient (33566 is less than 39010). Euler's totient φ(39010) = 15088 numbers up to 39010 share no factor with it.
- 4
The digits of 39010 add up to 13, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 124 steps to reach 1.
LaTeX source of the formulas on this page
\[ 39010 = 2 \times 5 \times 47 \times 83 \]
39010 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 72576 |
| Euler totient φ(n) | 15088 |
| Square | 1521780100 |
| Cube | 59364641701000 |
| Square root | 197.509493 |
| Digit sum / digital root | 13 / 4 |
| Collatz steps to 1 | 124 |
| Scientific notation | 3.901 × |
39010 in other forms
| Form | Value |
|---|---|
| In words | thirty-nine thousand and ten |
| Binary (base 2) | 1001100001100010 |
| Octal (base 8) | 114142 |
| Hexadecimal (base 16) | 9862 |
| Base 3 | 1222111211 |
| As time | 39010 seconds = 10 h 50 min 10 s |
Is 39010 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (39010 ÷ 2 = 19505) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (39010 ÷ 5 = 7802) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 2) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (39010 ÷ 10 = 3901) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 39010 a prime number?
No. 39010 = 2 × 5 × 47 × 83, so it is divisible by 2.
What are the factors of 39010?
1, 2, 5, 10, 47, 83, 94, 166, 235, 415, 470, 830, 3901, 7802, 19505, 39010.
What is 39010 in binary?
1001100001100010 (hexadecimal 9862, octal 114142).
What is the square root of 39010?
About 197.5095.
Is 39010 divisible by 3?
No. Its digits add up to 13, which is not a multiple of 3.
What is special about the number 39010?
39010 is a happy number: repeatedly adding the squares of its digits reaches 1.