I rarely can orgasm from intercourse alone but it has happened. Pretty amazing when it does but I haven't figured out how to get it to be consistent yet. I think it depends on how many orgasms I've already had.
That said, I can get off from clitoral stimulation pretty easily, depending on what we're using. The last time I was with one of the guys I'm seeing we had a marathon and I had about 5 orgasms, all during intercourse but with a vibrator. It was fun.
And apparently I'm also in the O from anal group. That's a pretty good one.