Sum of Digits of 90
ANSWER : 9
The sum of the digits in the number 90 is: 9 + 0 = 9
How to Calculate the Digit Sum of 90?
To find the sum of digits of a number, simply break it into individual digits and add them. For 90:
9 + 0 = 9
The digits of 90 are: 9, 0.
Their sum is: 9
Step-by-Step Digit Sum of 90
We split the number 90 into its individual digits: 9 + 0 = 9
Digit Positions in 90
| Position | Digit |
|---|---|
| 1 | 9 |
| 2 | 0 |
Length of 90
The number 90 has 2 digits.
Is 9 a Prime Number?
No, 9 is not a prime number.
Digit Sums in Other Bases
- Binary: 1011010 → 4
- Octal: 132 → 6
- Hexadecimal: 5A → 15