Use the form below to do your conversion.
Solution
Step1
Log20439=Log(439) ÷ Log(20)
Log(439)= 2.6424645202421
Log(20)=1.301029995664
Log20439=2.6424645202421 ÷ 1.301029995664
Ans=2.0310558012104
Step2
Alternatively, the logarithm can be calculated like this.