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What is the Average of First 8 Composite Numbers?

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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 8 composite numbers. 9.75 is an average of first 8 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 8 composite numbers for user reference.

First 8 Composite Numbers Chart (4 - 15)
468910121415

how to find the average of First 8 Composite Numbers?

The below workout with step by step calculation shows how to find what is the average of first 8 composite numbers manually.
step 1 Input values:
The first 8 composite numbers
4, 6, 8, . . . . , 14, 15

step 2 Find the sum of first 8 composite numbers
4 + 6 + 8 + . . . . + 14 + 15 = 78

step 3 Divide the sum by 8
78/8 = 9.75

9.75 is an average of first 8 natural numbers or positive integers.

Average of Natural, Odd, Even and Prime Numbers

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