6.9 billion as a number would be 6,900,000,000. To write it out without digits it would be six billion and nine hundred million.
17.9 billion written out in numbers is 17,900,000,000
1,000 billion billion is: 1,000,000,000,000,000,000,000
153.4 billion = 153,400,000,000
53.50 billion = 53,500,000,000
9.88 billion = 9,880,000,000
69,000,000,000
1.52 billion written in numbers is 1,520,000,000
17.9 billion written out in numbers is 17,900,000,000
1,000 billion billion is: 1,000,000,000,000,000,000,000
15.8 billion = 15,800,000,000
Six billion = 6,000,000,000
153.4 billion = 153,400,000,000
3,900,000,000 is 3.9 billion.
1476 billion is 1,476,000,000,000
53.50 billion = 53,500,000,000
9.88 billion = 9,880,000,000
1.0773 billion = 1,077,300,000