Sextillion is the name for 10^21, which is one million billion billion. At first the second system may see illogical, but when numbers become very very large, it becomes much easier to read, as the 'tilli' separators in conway and guy's system are hard to spot, whereas the 'millia' separators in the second system are easy to see Conway and guy's system's separators are also different depending on where the separators appear (nilli in some places, tilli in others. Most people know 1,000 is called a thousand, and 1,000,000 is called a million, but what is a quadrillion I have compiled this list for that purpose
There is not a standard naming scheme for numbers over a million, and different countries call numbers different things There are two common naming conventions, most countries use one or the other They are the short scale. Sextillion the integer 1000000000000000000000 (or 10 21, a 1 followed by 21 zeros) is called a sextillion The unit prefix zetta is commonly used to denote a multiplication by one sextillion For example, one zettabyte contains one sextillion bytes of data
Large numbers are numbers above one million that are usually represented either with the use of an exponent such as 109 or by terms such as billion or thousand millions that frequently differ from system to system The american system of numeration for denominations above one million was modeled on While terms like “trillion,” “quadrillion,” and “sextillion” are becoming more common in discussions about the national debt, data storage, quantum computing, and astronomical distances, understanding what these numbers represent and what comes after a trillion, a quadrillion, etc The number that comes before a sextillion is a quintillion Quintillion = 1,000,000,000,000,000,000 (that’s 18 zeros) it’s written as 10¹⁸ in scientific notation a sextillion is a thousand quintillions.
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