Input interpretation
cupric sulfide | reduced mass
Result
21.31 u (unified atomic mass units)
Unit conversions
21.31 Da (daltons)
0.02131 kDa (kilodaltons)
3.538×10^-23 grams
3.538×10^-26 kg (kilograms)
19.85 GeV/c^2
21.31 chemical atomic mass units (unit officially deprecated)
21.32 physical atomic mass units (unit officially deprecated)
Comparison as mass
≈ 21 × proton mass ( ≈ 1.7×10^-27 kg )
Corresponding quantities
Relativistic energy E from E = mc^2: | 20 GeV (gigaelectronvolts)
Characteristic length L from L = h/(mc): | 62 am (attometers) | 6.2×10^-17 meters
Thermal de Broglie wavelength at 100 K from λ = h/(2πmkT)^(1/2): | 38 pm (picometers)
Characteristic time T from T = h/(mc^2): | 2.1×10^-25 seconds
Thermodynamic temperature T from kT = mc^2: | 2.303×10^14 K (kelvins)
Compton frequency ν from ν = mc^2/h: | 4.8×10^24 Hz (hertz)