Sum of First n Natural Numbers
Sum of first n natural numbers is given by
S = n(n+1)/2
where n is the number of terms taken into consideration.
Mean of First n Natural Numbers
As mean is defined as the ratio of the sum of observations to the number of total observations.
Mean Formula for the first n terms of natural number :
Mean = S/n = (n+1)/2
where,
- S is Sum of all Observations
- n is Number of Terms Taken into Consideration
Sum of Square of First n Natural Numbers
Sum of square of first n natural numbers is given as follows:
S = n(n + 1)(2n + 1)/6
where,
- n is Number Taken into Consideration
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Natural Numbers | Definition, Examples & Properties
Natural Numbers are all positive integers from 1 to infinity and are a component of the number system. Natural numbers are also called counting numbers because they are used to count things. Natural numbers do not include 0 or negative numbers.
In this article, we will learn more about natural numbers, their properties, natural numbers from 1 to 100, their types, and examples in detail.
Table of Content
- What are Natural Numbers?
- Natural Numbers Definition
- Types of Natural Numbers
- Natural Numbers from 1 to 100
- Natural Numbers and Whole Numbers
- Difference Between Natural Numbers and Whole Numbers
- Natural Numbers on Number Line
- Properties of Natural Numbers
- Operations With Natural Numbers
- Sum of First n Natural Numbers
- Examples of Natural Numbers
- Practice Questions on Natural Numbers