Square Root 12345678987654321

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?




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In 2011, people playing Foldit, an online puzzle game about protein folding, resolved the structure of an enzyme that causes an Aids-like disease in monkeys. Researchers had been working on the problem for 13 years. The gamers solved it in three weeks.