7 digits.
6
One million is 1 followed by 6 zeroes - a total of 7 digits.
9 digits
Ten digits.
250 million = 250,000,000. There are 9 digits in this number.
There are seven digits.
Eight Digits: 30,000,000
There are 8 digits in 65,600,000
100,000,000 = nine digits.
A number followed by six zeroes is in millions.one million = 1,000,000
We only use 10 digits (0 through 9), so I would say, there is one of them.