Considering the fact that the common density of the black hole inside its Schwarzschild radius is inversely proportional to your sq. of its mass, supermassive black holes are a lot less dense than stellar black holes. The standard density of the 108 M☉ black hole is corresponding to that of https://econopass.com/news/science-technology/7-mind-blowing-ways-the-technological-singularity-will-transform-humanity/