What is the Average of First 12 Composite Numbers?
getcalc.com's average of first n composite numbers calculator, formulas, numbers chart, examples and workout to find what is the mean or average of first 12 composite numbers. 12.75 is an average of first 12 composite (non-prime) numbers mentioned in the below table, by substituting the total sum and count of numbers in the below formula.
Numbers Chart
The below chart is the complete list of first 12 composite numbers for user reference.
| First 12 Composite Numbers Chart (4 - 21) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 4 | 6 | 8 | 9 | 10 | 12 | 14 | 15 | 16 | 18 |
| 20 | 21 | ||||||||
how to find the average of First 12 Composite Numbers?
The below workout with step by step calculation shows how to find what is the average of first 12 composite numbers manually.
step 1 Address the formula and input values.
Input values:
The first 12 composite numbers
4, 6, 8, . . . . , 20, 21
step 2 Find the sum of first 12 composite numbers
4 + 6 + 8 + . . . . + 20 + 21 = 153
step 3 Divide the sum by 12
153/12 = 12.75
12.75 is an average of first 12 natural numbers or positive integers.
Average of Natural, Odd, Even and Prime Numbers
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