How Many Atoms?
A table of big-number names and what has that many atoms: a trillion is a bacterium, an octillion is a housecat, a decillion is a building, and a quinquavigintillion is the visible universe.
Transcript
[Table: Number / Name / How many atoms?] 1,000,000,000,000 · Trillion · Bacterium | Quadrillion · Mist droplet | Quintillion · Fine grain of sand | Sextillion · Snowflake | Septillion · Nice pen | Octillion · Housecat | Nonillion · Car | Decillion · Building | Quinquavigintillion (1 followed by 78 zeros) · Visible universe
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Free for classrooms, worksheets, slides and other non-commercial use under CC BY-NC 4.0, with credit to Ben Orlin.
Cartoon by Ben Orlin, Math with Bad Drawings. https://cartoons.mathwithbaddrawings.com/2018-09-18-how-many-atoms/ (CC BY-NC 4.0)