# What is the Average of First 20 Natural Numbers? getcalc.com's average of first n numbers calculator to find what is the mean or average value of first 20
natural or whole numbers. 10.5 is an average of first 20 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 natural numbers or positive integers for user reference.

First 20 Natural Numbers Chart (1 - 20)
12345678910
11121314151617181920

## how to find the average of First 20 Whole Numbers?

The below workout with step by step calculation shows how to find what is the average of first 20 whole numbers manually.
step 1 Address the formula and input values.
Input values:
The first 20 numbers
1, 2, 3, . . . . , 19, 20

step 2 Find the sum of first 20 natural numbers
1 + 2 + 3 + . . . . + 19 + 20 = 210

step 3 Divide the sum by 20
210/20 = 10.5

10.5 is an average of first 20 natural numbers or positive integers.

### Average of Odd, Even, Composite and Prime Numbers

The below are the other calculators to find the average of odd, even, composite and prime numbers.

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