How many vowels are there in the word supercalifragilisticexpialidocious?

There are 16 vowels in the Word "supercalifragilisticexpialidocious." Vowels are the letters A, E, I, O, U, and sometimes Y. In this Word, there are 3 A's, 3 I's, 7 E's, 1 O, and 2 U's, totaling 16 vowels.