Submitting your website to google will increase your website s visibility and it will help your data reach world wide.Google provides 3 ways through which you can increase your websites visibility

ADD URL — http://www.google.com/addurl/?continue=/addurl

You can submit your website here to get listed in google..Google wont guarantee that your site will be listed but if the content is genuine they will accept it for sure.

WebMasters Tool — http://www.google.com/webmasters/
Google Webmaster Tools provides you with detailed reports about your pages’ visibility on Google.
Features
• Get Google’s view of your site and diagnose problems
• Discover your link and query traffic
• Share information about your site

Gadgets
Google Gadgets are simple HTML and JavaScript applications that can be embedded in webpages and other apps.