Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
e^((sqrt(2)-1)/2)*2*sqrt(10^(15))/(sqrt(sqrt(2)-1)*(3*10^8)^2)*10^12
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random