6*6 to a really round number

One more number I can't leave unnoticed. It is not a true round number, but I can see a few interesting facts here.

First of all, it's the voltage of household outlets. I can't help but mention the joke "By using this outlet you have a 160V bonus"

I'm really waiting for 100000000₂, and there are only 6*6 subscribers left to this rooooound number.

Due to vector algebra, three-phase symmetry, and the properties of complex numbers, √3​⋅220≈1.73⋅220≈380