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How do you say 10000000000000000000000000000000000000000000000000000000000000000000000?
Ten duovigintillion.
How many zeros does a duovigintillion have?
It is 1069 or a 1 followed by 69 zeros.
What is this number 1000000000000000000000000000000000000000000000000000000000000000000000 in word form?
sexlillon
What is the number 99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 written in word form?
Simple: ninety-nine octovigintillion, nine hundred ninety-nine septenvigintillion, nine hundred ninety-nine sexvigintillion, nine hundred ninety-nine quinvigintillion, nine hundred ninety-nine quattuorvigintillion, nine hundred ninety-nine trevigintillion, nine hundred ninety-nine duovigintillion, nine hundred ninety-nine unvigintillion, nine hundred ninety-nine vigintillion, nine hundred ninety-nine novemdecillion, nine hundred ninety-nine octodecillion, nine hundred ninety-nine septendecillion, nine hundred ninety-nine sexdecillion, nine hundred ninety-nine quindecillion, nine hundred ninety-nine quattuordecillion, nine hundred ninety-nine tredecillion, nine hundred ninety-nine duodecillion, nine hundred ninety-nine undecillion, nine hundred ninety-nine decillion, nine hundred ninety-nine nonillion, nine hundred ninety-nine octillion, nine hundred ninety-nine septillion, nine hundred ninety-nine sextillion, nine hundred ninety-nine quintillion, nine hundred ninety-nine quadrillion, nine hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine.
A number with 72 zeros is called?
We can figure this out by writing said number out, or dividing it's exponent in exponential/scientific notation to find how many pairs of zeros that is. So 72/3 = 24 pairs of 3 zeros. We then write out 24 zeros as placeholders and count up in reverse by each decimal place, giving a number above million a name based on how far it is from the hundreds place. So we will do this: 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 where a 0 is a placeholder for 3 zeros and count them backwards until we reach one, naming each number by a combination of latin names. So hundred, thousand, million, billion, trillion, quadrillion, quintillion, sextillion, septillion, octillion, nonillion, decillion, undecillion, duodecillion, tredecillion, quattuordecillion, quindecillion, sexdecillion, septendecillion, octodecillion, novemdecillion, vigintillion, unvigintillion, duovigintillion. There are 24 of those when you count, adding up to 24 pairs of 3 zeros. And if you pay attention to the fact that there are 24, and we counted up in the latin naming system to what would be 22 with viginti- meaning 20 and duo just meaning 2, we can make a guess as to whatever the number name is by subtracting 2 from the number of pairs of zero. Say we want to find what a number is with 96 zeros. We take 96/3, which is 32, and with the naming system we use triginti for 30 and duo for 2, so that would be duo- triginti - illion or duotrigintillion. Take note that since we are using latin based numbers, they will be flipped from what english users are used to. Thirty two will take the form two thirty if we use the same system as in latin. The 10s place will be said 2nd. Now what if we have an odd number of zeros? That usually means we have a number that has, say 10 in the first group when we group by 3 zeros. This will change it because instead of, say a number with 96 zeros, we can have a number with 97 zeros. In this case we just need to take that zero out of the number to make it easier to name. So we take that single 0 out of the number so it will have 96 zeros, an even number which we can divide by 3. Then we name it and put that zero back to the original first digits and we say that number then the latin name we figured out. So that would be, say, thirty duotrigintillion or we can take it up another step where we have 98 zeros, and since 98 isn't nicely divisible by 3, we just subtract until we get one that is divisible by 3 and add that remaining value to the first number again. That would be, for example, 300 duotrigintillion. There are resources online, such as the big numbers wiki, that can help you learn this system if I did not explain that very well
