5,000,000 micrometers is equal to 5 meters.

There are approximately 9.46 x 10^20 micrometers in one light-year, making 5,000,000 micrometers a minuscule fraction of it.

This is because micrometers measure microscopic distances, while light-years measure astronomical distances, which are vastly larger.

While the numerical result (0.0000 light-years) is not practical for direct measurement, it's useful for illustrating the extreme difference in scale between the microscopic and the cosmic.