Please solve this to me I will give you brainest and hundred points

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

Does anyone know how to do geometryme with this problem