A force $\overrightarrow F = \left( {\widehat i + 2\widehat j + 3\widehat k} \right) N acts at a point \left( {4\widehat i + 3\widehat j - \widehat k} \right) m. Then the magnitude of torque
about the point \left( {\widehat i + 2\widehat j + \widehat k} \right) m will be \sqrt x $ N m.
The value of x is _______.