Yes, I can handle numbers in terms of orders of magnitude. But I challenge you to picture yourself the size of a molecule, sitting "on the floor", looking towards your real body, and visualize what you would see without doing any calculations.
I'm not sure what the thought experiment is. For me to be shrunk to the size of a molecule, all of the molecules I am made of would have to be shrunk, as would the light waves I see by, leaving my perception of my body unchanged. I don't think this is the scenario you mean, but I don't know in what way to change this to make it the one you mean.
Another month has passed and here is a new rationality quotes thread. The usual rules are: