Password Cracker Time Complexity

Password Length	Time to Crack
1	0.0000006
2	0.000042
3	0.003
4	0.8
5	67
6	5000
7	360000
8	28,800,000
9	1814400000
10	157,788,000,000
11	12,631,040,000,000
12	1,072,954,400,000,000
13	63,115,200,000,000,000
14	6,311,520,000,000,000,000
15	473,364,000,000,000,000,000
16	31,557,600,000,000,000,000,000