What is the average of the first 2158 natural numbers?

The average of the first 2158 natural numbers

Here we will define and show you the formula and the math to calculate the average of the first 2158 natural numbers.

The first 2158 natural numbers are the whole numbers (integers) that start with 1 and end with 2158. To make a list of the first 2158 natural numbers, you simply count up to 2158.

To get the average of those 2158 numbers, you add them up and then divide the sum by 2158. We created a formula that can calculate the average of any sequence of natural numbers starting with 1. Here is the formula to calculate the average (avg) of the first n natural numbers:

avg = ((n × (n + 1)) ÷ 2) ÷ n

When we enter n = 2158 in our formula, we get the average of the first 2158 natural numbers. Here is the math and the answer:

avg = ((n × (n + 1)) ÷ 2) ÷ n
avg = ((2158 × (2158 + 1)) ÷ 2) ÷ 2158
avg = ((2158 × 2159) ÷ 2) ÷ 2158
avg = (4659122 ÷ 2) ÷ 2158
avg = 2329561 ÷ 2158
average = 1079.5

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