In order to answer that question, we need to know
the average weight of a digit.
6
9 digits
Ten digits.
250 million = 250,000,000. There are 9 digits in this number.
The answer depends on a million WHAT!
Eight Digits: 30,000,000
7 digits.
100,000,000 = nine digits.
There are 8 digits in 65,600,000
19.47 million metric tonnes
45 million tons = 4.08233133 × 1013 grams
1750 tons