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It has 21 zeros, because 'Giga' means 'a Billion'. Thus, one GigaTrillion is 1 Billion-Trillion. A billion has 9 zeros, and a trillion has 12 zeros.
However, if you are referring to the United Kingdom, a billion has 12 zeros and a trillion has 18 zeros, so it would be 30 zeros.
What else can I help you with?
How do you say 1000000000000000000000000000000000000 verbally?
1,000,000,000,000,000,000,000,000,000,000,000,000 12 sets of three zeros, making 36 zeros According to Britannica, undecillion in American units and sextillion in British units.
What is a number with 15 zeros called?
What is a number with 6 zeros called?
it is in the millions
What is a number called with 21 zeros?
sextillion
What is the number with twelve zeros called?
Trillion
What is the number called with 27 zeros?
octillion
What is a number with 1000000 zeros called?
nonevsextillionocteillion
How do you write the number 200000000000000000000 in words?
2*1020 this is called 200quintillion a quintillion is a number with 18 zeros a sextillion is a number with 21 zeros your number has 20 zeros therefore it is not quite a sextillion yet.
What is a number called when it has 10 zeros?
ten's of billions
What the number that has 9 zeros called?
One billion
How many zeros in a zadrillion have?
Since that is an invented number, it has just as many zeroes as you decide it to have.
What number would have 15 zeros?
The number that has 15 zeroes is called quadrillion.
