Agreed, but even if it takes 40,000 servers with losses and extra overhead to calculate their daily workload. It makes you wonder what their other estimated 410,000 servers are doing? (2006 estimate)

With a little bit of excel, if takes 4,000 servers 362 minutes to calculate a 1PB job It takes 1440 (24 hours) on 20,111.11 server to sort 20pb (if it was just plain sorting they were doing). And just on a side note, from their number one of their servers can compute 741.5 MB per minute!