The number of something

7189 is the days I've ever lived.
16.5 is the sum of my grade of Eiken. I have 5, 4, 3, pre-2 (2.5), 2 grade.
20 is the sum of my birthday. My birthday is 10th, October. (10. 10)
1 is the number of my brothers. He is a high school students.
4 is the number of the houses I've ever lived. My house which I live in now is built about four years ago.
2011 is the sum of my dates of birth. I was born in 1991. 10. 10.
3 is the number of musical instruments which I can play. I can play the piano, flute and piccolo because I was a member of school brass band when I was in junior high school and high school.
160 is the number of my height.
5 is the number of times I go to abroad.
192 is the number of people who I know their e-mail address or phone number.