Use the form below to do your conversion.
Solution
Step1
Log20869=Log(869) ÷ Log(20)
Log(869)= 2.9390197764487
Log(20)=1.301029995664
Log20869=2.9390197764487 ÷ 1.301029995664
Ans=2.2589946321328
Step2
Alternatively, the logarithm can be calculated like this.