Math Problem Solver

Original numbers in ascending order: $138840$, $216211$, $388649$, $454070$, $908140$, $2395540$, $5556068$
Sum: $10057518$
Mean: $\frac{10057518}{7} \approx 1436788.2857$
Sample standard deviation: $\frac{\sqrt{191148584139331}}{7} \approx 1975092.7859$
Median: $454070$
Mode: No mode