Adding zeros at the end of a number string

Hi there, I have a string of numbers and I would like to add zeros to the end of it.

For example my numbers are formatted like this: 1234 and I would like to add zeros to the end so it looks like this: 123400 (no decimal).

I would do it manually but I have a column of over 2000 different numbers.

Thanks for your help, you guys are great!