billionths
Nine zeros below
Billionths is the plural of billionth—the ordinal form of billion.
A billionth is one part when something is divided into a billion equal pieces: measured in billionths of a second.
In scientific notation, billionths appear in measurements of nanoseconds, nanometers, and other nano-scale quantities.
Number being divided
- denominatorFraction's bottom number
- decimalTenths-based notation
- divisionSplitting into parts
- exponentSuperscript showing power
notation · digits · zeroes · ratio · proportion · thousandths · trillionths · fractional
Metric unit, billion-fold smaller
- picometerTrillionth of a meter
- angstromSubatomic length unit
- nanosecondOne-billionth second unit
- picosecondTrillionth of a second
femtosecond · nanogram · microgram · calibration · tolerance · resolution · precision · accuracy
Billionth-meter dimension
- microscopicToo small for eyes
- subatomicSmaller than atoms
- atomicOf elemental particles
- molecularOf tiny particles
quantum · nanotechnology · nanoparticles · nanofibers · electrons · photons · quarks · DNA
numerator
Number being divided
- denominatorFraction's bottom number
- decimalTenths-based notation
- divisionSplitting into parts
exponent · notation · digits · zeroes · ratio · proportion · thousandths · trillionths · fractional · infinitesimal
nanometer
Metric unit, billion-fold smaller
- picometerTrillionth of a meter
- angstromSubatomic length unit
- nanosecondOne-billionth second unit
picosecond · femtosecond · nanogram · microgram · calibration · tolerance · resolution · precision · accuracy · metrology
nanoscale
Billionth-meter dimension
- microscopicToo small for eyes
- subatomicSmaller than atoms
- atomicOf elemental particles
molecular · quantum · nanotechnology · nanoparticles · nanofibers · electrons · photons · quarks · DNA · viruses
minuscule
Extremely small in size
trace · particle · smidgen · iota · whit · tittle · sliver · fragment · negligible · imperceptible
- place valueplace value, ones, tens, hundreds, thousands
billionthswholes
Complete unified amounts
halves · tenths · thirds · quarters · hundredths
billionthswholes
Complete unified amounts
units · billions · integers · whole numbers · entireties