1 degree = 60 min
171.8873385 = 171 + 0.8873385
convert 0.8873385 to minutes by multiplying it by 60
0.8873385 * 60 = 53.24031
53.24031 round to the nearest minute, which would be 53
the notation for minutes is 53'
final answer: 171 degrees 53'
(I don't know how to do the degree symbol)