# Sum of Digits

The digit sum is that the outcome of repeatedly computing the sum of the digits until one digit answer is obtained. The digit sum of variety n is denoted as Digit Sum (n).

#### How to calculate the sum of digits in a number?

The only method is to count the sum total of all digits, as does taskvio.

1+2+3=6

#### How to calculate a digital root?

The digital root is computed through recursive reduction (repeated sum) that consists in repeating the addition operation until the result has only one digit.

#### Example : 789

7+8+9=24 And 2+4=6

## About the Arithmetic sum of digits

The digit sum is that the outcome of repeatedly computing the sum of the digits until one digit answer is obtained. The digit sum of variety n is denoted as Digit Sum (n).

Let’s see an example to understand the sum of digits

Suppose we have a digit sum of the decimal number 9045 would be 9+0+4+5=18 so the answer is 18 (sum of digit).

This material examines the arithmetic of digit sums. A number of the relationships are merely interesting, others are simply amazing. First, some definitions are required.

The digit sum of variety, say 152, is simply the sum of the digits, 1+5+2=8. If the sum of the digits is bigger than nine then the method is repeated. For instance, the sum of the digits for 786 is 7+8+6=21, and therefore the sum of the digits for 21 is 3 therefore the digit sum of 786 is 3. In some places, this idea of the digit sum of variety is named its reduced digit sum, but that terminology becomes too cumbersome. As within the preceding material the sum of the digit of variety could also be different from its digit sum.

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### Q. What Is The Difference Between A Number And A Digit?

A. A Number Is Made Of Digits, Like A Word Is Made Of Letters.