The number 34990
34990 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 3499. Divisors (8): 1, 2, 5, 10, 3499, 6998, 17495, 34990.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
34990 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
34990 is composite. Its prime factorisation is
- 3
The divisors add up to 63000; without 34990 itself that is 28010, so 34990 is deficient (28010 is less than 34990). Euler's totient φ(34990) = 13992 numbers up to 34990 share no factor with it.
- 4
The digits of 34990 add up to 25, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 49 steps to reach 1.
LaTeX source of the formulas on this page
\[ 34990 = 2 \times 5 \times 3499 \]
34990 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 63000 |
| Euler totient φ(n) | 13992 |
| Square | 1224300100 |
| Cube | 42838260499000 |
| Square root | 187.056141 |
| Digit sum / digital root | 25 / 7 |
| Collatz steps to 1 | 49 |
| Scientific notation | 3.499 × |
34990 in other forms
| Form | Value |
|---|---|
| In words | thirty-four thousand nine hundred and ninety |
| Binary (base 2) | 1000100010101110 |
| Octal (base 8) | 104256 |
| Hexadecimal (base 16) | 88AE |
| Base 3 | 1202222221 |
| As time | 34990 seconds = 9 h 43 min 10 s |
Is 34990 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (34990 ÷ 2 = 17495) | 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 (34990 ÷ 5 = 6998) | 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 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 | No (remainder 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (34990 ÷ 10 = 3499) | 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 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 34990 a prime number?
No. 34990 = 2 × 5 × 3499, so it is divisible by 2.
What are the factors of 34990?
1, 2, 5, 10, 3499, 6998, 17495, 34990.
What is 34990 in binary?
1000100010101110 (hexadecimal 88AE, octal 104256).
What is the square root of 34990?
About 187.0561.
Is 34990 divisible by 3?
No. Its digits add up to 25, which is not a multiple of 3.
What is special about the number 34990?
It is a composite number with 8 divisors.