Alright, let's work through 5380869 times 16058239 step by step
5380869 × 16058239 = 16058239 × (5380869)
+ 16058239 × 9 that results in 144524151
+ 16058239 × 60 that results in 963494340
+ 16058239 × 800 giving us 12846591200
+ 16058239 × 0000 which equals 0
+ 16058239 × 80000 producing 1284659120000
+ 16058239 × 300000 what gives us 4817471700000
+ 16058239 × 5000000 that is equal 80291195000000

= 86407280429691
