Use the form below to do your conversion.
Solution
Step1
Log207489=Log(7489) ÷ Log(20)
Log(7489)= 3.8744238305865
Log(20)=1.301029995664
Log207489=3.8744238305865 ÷ 1.301029995664
Ans=2.9779665676418
Step2
Alternatively, the logarithm can be calculated like this.