A cube with 7.71km side length is so totally foreign to us it is unimaginable. Mt Everest by volume is 59.5 km^3, or about 13% of the volume you've quoted. We a

A cube with 7.71km side length is so totally foreign to us it is unimaginable. Mt Everest by volume is 59.5 km^3, or about 13% of the volume you've quoted. We are probably more accustomed to think about sizes of conical structures, again due to mountains being the only thing we have for scale. It would be interesting to think how much we'd have to scale up Mt Everest in order to get to a volume of 458 km^3.