How do you say 13000000000000000000000000?

Answer 1

For such large numbers, I suggest you convert them to scientific notation.

Answer 2

The number 13 followed by 24 zeros is pronounced as "thirteen septillion" in the short scale naming system used in the United States and modern British English. In the long scale naming system used in some European countries, it would be called "thirteen quadrillion."

Answer 3

It is thirteen septillion.

Answer 4

13 billion