Multiple choice general knowledge math & puzzles square root of 4096 is 128 54 32 64 Reveal answer Fill a bubble to check yourself D Correct answer Explanation 64 squared is 4096 (60^2 = 3600, 70^2 = 4900, so it must be between 60 and 70). 32 squared is 1024, and 128 squared is 16384. 54 squared is 2916.