10^9 x 10^18 = 10^27 = an octillion
A sextillion = 10^21
Five quintillion, twenty billion, thirty thousand.
This depends upon whether you mean the English quintillion or the American quintillion. In the English form of numbers, the number order goes as follows: million, billion, trillion, quadrillion then quintillion. Therefore the amount of zeros will be 18. In the American form, the number order duplicates itself, so-to-speak, making each major sector have more numbers. The number order goes as follows: million, thousand million, billion, thousand billion, trillion... etc. Therefore the amount of zeros will be 30.
Eight billion.
11 billion.
1 billion (short form) is 100 crore.
Seventy quintillion, six hundred billion, eight million, one hundred two.
The short form of writing 4,352,697,109 is " 4.35 billion."
Three billion.
ten trillion, seven billion.
Short: 2,670,000,000Long: 2,670,000,000,000
5 billion, 750 million.
13,000,000,000,000,000,000