Whgat is the sum of the digits of 29999999^2?
1) If you mean the sum of = 29999999^2 =89,999,995,200,000,064?
The sum of 89,999,995,200,000,064=79
2) If you mean the sum of all digits from 1 to 89,999,995,200,000,064?
=60,299,994,000,000,133
29999999^2 = 899999940000001
Sum of digits = 9*6+8+4+1 = 67