Input interpretation
Ca-40 Ta-173 | half-life
Results
Ca-40 | 3×10^21 years (9.12×10^8 to ∞ s) Ta-173 | 188 minutes (180.48 to 196.19 min)
Units
Relative values
| visual | ratios | | comparisons Ta-173 | | 1.2×10^-25 | 1 | 99.999999999999999999999988% smaller Ca-40 | | 1 | 8.4×10^24 | 8.4×10^26% larger
Decay properties
| Ca-40 | Ta-173 half-life | 3×10^21 yr (9.13×10^8 to ∞ s) | 188 min (180.48 to 196.19 min) mean lifetime | 4.3×10^21 yr (1.31×10^9 to ∞ s) | 4.53 h (4.3414 to 4.7197 h) decay constant | 7.3×10^-30 per second | 6.13×10^-5 per second specific activity | 1.1×10^-7 Bq/g | 214000 TBq/g width | 3.3×10^-45 eV | 4.04×10^-20 eV decay modes | 2β^+ (double beta decay) | β^+ (positron emission) final decay products | Ca-40 (100%) | Ar-40 (0%) | Yb-173 (100%)