I will list them in order according to which president was the first, second, third, and so on. Also, I didn't count people twice who were re-elected because they still remain the same president of that time.
1.) George Washington
2.) John Adams
3.) Thomas Jefferson
4.) James Madison
5.) James Monroe
6.) John Adams (John Quincy Adams)
7.) Andrew Jackson
8.) Martin Buren (Martin Van Buren)
9.) William Harrison (William Henry Harrison)
10.) John Tyler
11.) James K. Polk
12.) Zachary Taylor
13.) Willard Fillmore
14.) Franklin Pierce
15.) James Buchanan
16.) Abraham Lincoln
17.) Andrew Johnson
18.) Ulysses S. Grant
19.) Rutherford B. Hayes
20.) James Garfield
21.) Chester A. Arthur
22.) Grover Cleaveland
23.) William Mckinley
24.) Theodore Roosevelt
25.) William H. Taft
26.) Woodrow Wilson
27.) Warren G. Harding
28.) Calvin Coolidge
29.) Herbert Hoover
30.) Franklin D. Roosevelt
31.) Harry S. Truman
32.) Dwight D. Eisenhower
33.) John F. Kennedy
34.) Lyndon B. Johnson
35.) Richard M. Nixon
36.) Gerald R. Ford
37.) James Carter
38.) Ronald Reagan
39.) George H. W. Bush
40.) William J. Clinton
41.) George W. Bush
42.) Barrack Obama
43.) Donald Trump
44.) Joe Biden (Jr.)
Hope this helps and have a nice day.
-R3TR0 Z3R0