This is 343,200 feet per hour
256 -> 4 ->
2 &
2 -> 64 -> 8 & 8
8 -> 4 &
24 ->
2 &
28 -> 4 &
24 ->
2 &
2(I hope this format makes sense) So you are left with 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 or

. I hope this helps!
It is between the numbers of 22 and 30