In the more common American-based system, 1.5 billion is written 1,500,000,000.
In the Commonwealth system, popular throughout continental Europe and in olden times, in the United Kingdom, 1.5 billion is written 1,500,000,000,000.
In number form, 15.9 billion is written as 15,900,000,000. This means 15 billion plus 900 million. The number consists of 15 followed by nine zeros, representing the large quantity.
3.2 billion is written as 3,200,000,000.
15 billion = 1.5 x 10^10 or 1.5e+10
As a number it is: 3,090,000,000 = 3.09 billion
It is: 1,400,000,000 = 1.4 billion
In number form, 15.9 billion is written as 15,900,000,000. This means 15 billion plus 900 million. The number consists of 15 followed by nine zeros, representing the large quantity.
3.2 billion is written as 3,200,000,000.
15 billion = 1.5 x 10^10 or 1.5e+10
It is: 1,400,000,000 = 1.4 billion
As a number it is: 3,090,000,000 = 3.09 billion
1,000,000,000 is the standard/number form of one billion.
The number 7 billion can be written in a number of ways, including:Seven billion.7B7,000,000,0007 x 109
3.4 billion can be written in number format as 3,400,000,000.
89.6 billion written in number form is 89,600,000,000
As a number it is: 2,820,000,000
As a number: 1,000,000,000 = one billion
As number it is: 50,330,000,000