lcm(round(5640 2426 242.6 54.34 180 15.6 18.99 21.3 23 24.26 24.93 42.05)) seconds

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.