Math Problem Solver

Original numbers in ascending order: $1421424$, $3160624$, $3454678$, $7640922$, $8408629$, $16391228$, $18571548$
Sum: $59049053$
Mean: $8435579$
Sample standard deviation: $\sqrt{44749220003027} \approx 6689485.7802$
Median: $7640922$
Mode: No mode