Calculators

Calculate the sum of first N or specified range prime numbers, such as: Find the sum of first 25 prime numbers.

Calculate the sum of all factors of a number, such as: What is the sum of all factors of 120?

Calculate the sum of cubes of consecutive numbers within a specified range, such as: Find the sum of cubes of consecutive odd numbers from 10 to 50?

Calculate the sum of cubes of numbers, multiple numbers can be entered at once, such as: Find the sum of cubes of 5, -8, 9 and -12.

Calculate the sum of cubes of first N natural, odd or even numbers, For example: find the sum of cubes of first 12 natural numbers.

Calculate the sum and difference of two cubes with steps, such as: find the sum and difference of the cubes 10 and 15.

Calculate the sum of first N multiples M, For example: find the sum of first 15 multiples of 8.

Calculate the sum of all N multiples between A and B, such as: sum of the multiples of 7 from 1 to 100.

Find consecutive integers based on the sum of squares, such as: find two consecutive positive integers sum of whose square is 365.

Calculate the sum of squares of consecutive integers, such as: 3^2 + 4^2 + 5^2 + 6^2 = 86.

Calculate the sum of three consecutive integers, such as: 20 + 21 + 22 = 63.

Calculate the sum of two consecutive integers, such as: 10 + 11 = 21.

Find consecutive integers based on the product, such as: the product of two consecutive integers is 306, What are these two consecutive integers?

Calculate the product of consecutive integers, such as: 2 * 3 * 4 * 5 * 6 * 7 * 8 = 40320.

Find consecutive integers based on the sum, such as: What three consecutive integers have a sum of 51?