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Step-by-step explanation:

Square root of 19 definition

The square root of 19 in mathematical form is written with the radical sign like this √19. We call this the square root of 19 in radical form. The square root of 19 is a quantity (q) that when multiplied by itself will equal 19.

√19 = q × q = q2

Is 19 a perfect square?

19 is a perfect square if the square root of 19 equals a whole number. As we have calculated further down on this PAGE, the square root of 19 is not a whole number.

19 is not a perfect square.

Is the square root of 19 rational or irrational?

The square root of 19 is a rational number if 19 is a perfect square. It is an irrational number if it is not a perfect square. SINCE 19 is not a perfect square, it is an irrational number. This means that the answer to "the square root of 19?" will have an infinite number of decimals. The decimals will not terminate and you cannot make it into an exact fraction.

√19 is an irrational number

Can the square root of 19 be simplified?

You can simplify 19 if you can make 19 inside the radical smaller. We call this process "to simplify a surd". The square root of 19 cannot be simplified.

√19 is already in its SIMPLEST radical form.

How to calculate the square root of 19 with a calculator

The easiest and most boring way to calculate the square root of 19 is to use your calculator! Simply type in 19 followed by √x to get the answer. We did that with our calculator and got the following answer with 9 DECIMAL numbers:

√19 ≈ 4.35889894