Writing 1.8 billion in numbers is very easy. Just multiply 1.8 by 1,000,000,000 because 1 billion equals 1,000,000,000 in numbers. In the Indian number system, it will be 1,80,00,00,000, while in the international system, it will be 1,800,000,000.
How to write 1.8 billion in numbers and words?
The number 1 billion in numbers is 1,000,000,000. Therefore, if we want to find 1.8
million in number form, we want to find 1.8 copies of 1,000,000,000 in number form. To do this, we simply
multiply 1.1 by 1,000,000. This gives that to find 1.8 million in numbers, we multiply 1.8 times 1,000,000,000.
1.8 × 1,000,000,000 = 1,800,000,000. In figures, 1.8 billion is written as 1,800,000,000.