what is the square root of 196

The square root of 19 is approximately ±4.3589\pm 4.3589±4.3589. The positive root, known as the principal square root, is about 4.3589, and the negative root is -4.3589. This value is an irrational number since 19 is not a perfect square, meaning it cannot be exactly expressed as a simple fraction or integer. The square root of 19 is written in radical form as 19\sqrt{19}19​ and in exponential form as 191/219^{1/2}191/2 or 190.519^{0.5}190.5.