Don't be silly Phi.
The the Answer to the Ultimate Question of Life, the Universe, and Everything is 42.
So 42 angels.
Do archangels (5th dan) take up more room?
your answer based on computational science, which we all know cannot compute internal stuffs. my answer based on headology, which is very much in line with intention which is the foundation of internal stuffs.
The archangels have greater wing span which meant requiring more airspace for hot air columns.