A billion in numerical figures is 1000000000 in the UK. In the US it is 1000000
As a number: 21,000,000,000 = 21 billion
80 bilion
90 bilion
2,000,000,000
$2 bilion
10.
5.7224 bilion
1.3 bilion
Yes, it is.
Translating words into numbers is important, one billion in numbers is 1,000,000,000 . This means that it has nine zeroes behind the number one.
One thousand.
the swirass family fortune is 6.2 bilion $