title: Python Convert any number to power of 10 (E-notation)
body: <p>In my program big numbers is shown off and for this reason I want any number to be converted to power of 10 (E-notation). I tried an idea that came to my mind but I get an error that says: </p>
  
  <pre><code>OverflowError: cannot convert float infinity to integer
  </code></pre>
  
  <p>How I succeed that I want?</p>