The first odd number is 1
The 1000th odd number is 1000 x 2 - 1 = 1999
Sum = number_of_numbers x (first_number + last_number) ÷ 2
= 1000 x (1 + 1999) ÷ 2
= 1000 x 2000 ÷ 2
= 1000000
Chat with our AI personalities
the sum of first 50 consecutive odd numbers is 9801
The sum of the first 60 consecutive odd numbers is 3,600.
The sum of the first 60 consecutive odd numbers is 3,600.
The sum of the first 600 consecutive odd numbers is 360,000.
The sum of the first 250 consecutive odd numbers is 250 squared or 62,500.