DJ Marlon is making a playlist for a website; he is trying to decide what 6 songs to play and in what order they should be played. If he has his choices narrowed down to 18 pop, 11 reggae, and 19 hip-hop songs, and he wants to play an equal number of pop, reggae, and hip-hop songs, how many different playlists are possible? Express your answer in scientific notation rounding to the hundredths place.