seems to about 20 trillion 297.5 billion
/siːmz tuː əˈbaʊt ˈtwɛnti ˈtrɪljən tuː ˈhʌndrəd ənd ˌnaɪnəti ˈsɛvən pɔɪnt faɪv ˈbɪljən/
EN
A phrase indicating an approximate numerical value equal to 20,297,500,000,000
The estimated total mass of the asteroid belt seems to about 20 trillion 297.5 billion kilograms.
The estimated total mass of the asteroid belt is approximately 20 trillion 297.5 billion kilograms.
Etymology
This phrase combines modern English quantifiers for large numbers, which derive from Old French and Latin terms for counting large quantities. 'Trillion' and 'billion' entered English in the 15th and 17th centuries respectively to describe progressively larger numerical units.
Memory Aid
Break the number down: 20 trillion plus 297.5 billion, so you can remember it as 20 followed by 297.5 billion added on to get the full value.
Collocations
Synonyms
approximately 20.2975 trillionroughly 20 trillion 297.5 billion
Related Words
trillionbillionapproximationnumeral
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