629 in Roman Numerals is DCXXIX :- D (500) + C(100) + XX(2 x 10) + IX(10-1) = 629
I write 620 billion as 620 billion.
Sixteen point two billion is how I would write it.
629 is already written in Hindu-Arabic numerals, which is the system of numbers which is most widely used in the world today.
It is already in Hindu-Arabic numerals
DCXXIX
629 in Roman Numerals is DCXXIX :- D (500) + C(100) + XX(2 x 10) + IX(10-1) = 629
I write 620 billion as 620 billion.
629 is already written in Hindu-Arabic numerals, which is the system of numbers which is most widely used in the world today.
Sixteen point two billion is how I would write it.
It is already in Hindu-Arabic numerals
You write 3.56 billion as 3,560,000,000.
In 1750, the population of the world was 629 million people. By the year 1950, the population had increased to 2.52 billion.
You can write 40.3 billion as 40,300,000,000.
You can write out 1.8 billion as "1,800,000,000" or "one billion eight hundred million."
Since you asked how I would write the number, the answer is 1031.
1,000 billion billion is: 1,000,000,000,000,000,000,000