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What is the Average of First 30 Odd 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 30 odd composite numbers. 66.9333 is an average of first 30 odd 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 30 odd composite numbers for user reference.

First 30 Odd Composite Numbers Chart (9 - 119)
9152125273335394549
51555763656975778185
8791939599105111115117119

how to find the average of First 30 Odd Composite Numbers?

The below workout with step by step calculation shows how to find what is the average of first 30 odd composite numbers manually.
step 1 Input values:
The first 30 odd composite numbers
9, 15, 21, . . . . , 117, 119

step 2 Find the sum of first 30 oddcomposite numbers
9 + 15 + 21 + . . . . + 117 + 119 = 2008

step 3 Divide the sum by 30
2008/30 = 66.9333

66.9333 is an average of first 30 natural numbers or positive integers.

Average of Natural, Odd, Even and Prime Numbers

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