What is the Average of First 20 Prime Numbers?
getcalc.com's average of first n prime numbers calculator to find what is the mean or average value of first 20
prime numbers. 31.95 is an average of first 20 prime numbers mentioned in the below table, by substituting the total sum and count of numbers in the formula. The corresponding formulas, chart, examples and workout may help students, teachers or professionals to learn, teach or practice the average of first n natural numbers calculation.
Numbers Chart
The below chart is the complete list of first 20 prime numbers for user reference.
| First 20 Prime Numbers Chart (2 - 71) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2 | 3 | 5 | 7 | 11 | 13 | 17 | 19 | 23 | 29 |
| 31 | 37 | 41 | 43 | 47 | 53 | 59 | 61 | 67 | 71 |
how to find the average of First 20 Prime Numbers?
The below workout with step by step calculation shows how to find what is the average of first 20 prime numbers manually.
step 1 Input values:
The first 20 prime numbers
2, 3, 5, . . . . , 67, 71
step 2 Find the sum of first 20 prime numbers
2 + 3 + 5 + . . . . + 67 + 71 = 639
step 3 Divide the sum by 20
639/20 = 31.95
31.95 is an average of first 20 natural numbers or positive integers.
Average of Odd, Even, Composite and Prime Numbers
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