what is the digital sum of 7487905666
Answers
Step-by-step explanation:
Values Edit
The digit sum - add the digits of the representation of a number in a given base. For example, considering 84001 in base 10 the digit sum would be 8 + 4 + 0 + 0 + 1 = 13.
The digital root - repeatedly apply the digit sum operation to the representation of a number in a given base until the outcome is a single digit. For example, considering 84001 in base 10 the digital root would be 4 (8 + 4 + 0 + 0 + 1 = 13, 1 + 3 = 4).
Operations Edit
The mathematical operation digital sum in base b can also be called the digital sum. This is where each place is summed independently, ignoring digit carry. For example, 84001 + 56734 = (8 + 5 = 13)(4 + 6 = 10)(0 + 7 = 7)(0 + 3 = 3)(1 + 4 = 5) = 30735.
This disambiguation page lists articles associated with the title Digital sum.
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Answer:
4
Step-by-step explanation:
digital sum = sum of all digits till the answer is in 1 digit.
digital sum of 7487905666 = 7+4+8+7+9+0+5+6+6+6
digital sum of 7487905666 = 58
digital sum of 58 = 5+8
digital sum of 58 = 13
digital sum of 13 = 1+3
digital sum of 13 = 4
digital sum of 7487905666 =4
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