title: Powershell number format
body: <p>I am creating a script converting a csv file in an another format.
  To do so, i need my numbers to have a fixed format to respect column size : 00000000000000000,00 (20 characters, 2 digits after comma)</p>
  <p>I have tried to format the number with <code>-f</code> and the method <code>$value.toString(&quot;#################.##&quot;)</code> without success</p>
  <p>Here is an example Input :</p>
  <pre><code>4000000
  45817,43
  400000
  570425,02
  15864155,69
  1068635,69
  128586256,9
  8901900,04
  29393,88
  126858346,88
  1190011,46
  2358411,95
  139594,82
  13929,74
  11516,85
  55742,78
  96722,57
  21408,86
  717,01
  54930,49
  391,13
  2118,64
  </code></pre>
  <p>Any hints are welcome :)</p>
  <p>Thank you !</p>