Requesting is helpful but I've come to the conclusion that if a radio doesn't want to play the song anymore, they won't. Look at how hard The Monsters requested Marry The Night, but it didn't take off on radio.
I think next week, if the sales are high enough it'll make the top 20 but there's not much we can do about it now. If it doesnt though, 2,000,000 has to be on LOCK! now.