### Brain Teasers

# 1 to 1,000,000

How many perfect squares (numbers that are results of squaring an integer) are there from 1 to 1,000,000?

Examples:

16=4*4

121=11*11

Examples:

16=4*4

121=11*11

### Hint

There are more than 100 and less than 10,000### Answer

1,0001^2=1,2^2=4...999^2=998,001, 1000^2=1,000,000

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## Comments

that takes a while but its pretty easy. nice one

It's very easy, just get the square root of 1,000,000 and you have the answer

got it! good try!

o ya that makes sense after i read the answer

Just solve a simpler problem. How many square numbers are there from 1 to 16 say? 4 = root(16) so obviously....

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