P = \frac{1}{f_{p}} = \frac{1}{f_{k} + f_{t}} = 86164 s \Rightarrow P = 23 h 56 m i n 4 s

${P=\frac{1}{f_p}=\frac{1}{f_k+f_t}={86164}\,\mathrm{s} \Rightarrow P={23}\,\mathrm{h}\,{56}\,\mathrm{min}\,{4}\,\mathrm{s}}$

Error