Input interpretation
Ac-224 | half-life
Result
170 minutes (156.3 to 177.02 min)
Decay properties
half-life | 170 minutes (156.4 to 177.02 min) mean lifetime | 4 hours (3.7636 to 4.2586 h) decay constant | 6.94×10^-5 per second specific activity | 187000 TBq/g (terabecquerels per gram) width | 4.56×10^-20 eV (electronvolts) decay modes | β^+ (positron emission) | α (alpha emission) | β^- (electron emission) final decay products | Pb-208 (100%) | Pb-206 (3.6×10^-9%)
Unit conversions
2 hours 50 minutes
10000 seconds
2.8 hours
0.12 days
Comparison as half-life
≈ 33 × half-life of uranium-241 ( ≈ 300 s )