
Sum of Digits of 78
ANSWER : 15
The sum of the digits in the number 78 is: 7 + 8 = 15
How to Calculate the Digit Sum of 78?
To find the sum of digits of a number, simply break it into individual digits and add them. For 78:
7 + 8 = 15
The digits of 78 are: 7, 8.
Their sum is: 15
Step-by-Step Digit Sum of 78
We split the number 78 into its individual digits: 7 + 8 = 15
Digit Positions in 78
Position | Digit |
---|---|
1 | 7 |
2 | 8 |
Length of 78
The number 78 has 2 digits.
Is 15 a Prime Number?
No, 15 is not a prime number.
Digit Sums in Other Bases
- Binary: 1001110 → 4
- Octal: 116 → 8
- Hexadecimal: 4E → 18