Input interpretation
U-236 | half-life
Result
23.42 Myr (megayears) (-300 to 400 Myr)
Decay properties
half-life | 23.42 Myr (megayears) (-280 to 310 Myr) mean lifetime | 33.79 Myr (megayears) (-500 to 600 Myr) decay constant | 9.385×10^-16 per second specific activity | 2.394 MBq/g (megabecquerels per gram) width | 4.281×10^-31 eV (electronvolts) decay modes | α (alpha emission) | SF (spontaneous fission) final decay products | Pb-208 (100%) | Pb-206 (4×10^-9%) | Pb-204 (0%) | Hg-200 (0%) | Hg-204 (0%)
Unit conversions
23.42 million years
7.386×10^14 seconds
Comparisons as half-life
≈ ( 0.033 ≈ 1/30 ) × half-life of uranium-235 ( ≈ 2.22×10^16 s )
≈ 1.5 × half-life of iodine-129 ( ≈ 4.95×10^14 s )