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The number in the figure has $2016$ digits of $4$, followed by $2015$ digits of $8$ and one digit of $9$. Find the sum of the digits of square root of this number.Dhaka Secondary 2016 P5
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Please don't post problems (by starting a topic) in the "X: Solved" forums. Those forums are only for showcasing the problems for the convenience of the users. You can always post the problems in the main Divisional Math Olympiad forum. Later we shall move that topic with proper formatting, and post in the resource section.
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The number in the figure has $2016$ digits of $4$, followed by $2015$ digits of $8$ and one digit of $9$. Find the sum of the digits of square root of this number.