Problem 16

Problem: 

215 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26.

What is the sum of the digits of the number 21000?


My Solution:

maxchain=0

n = str(2**1000)
s=0
for i in n:
    s += int(i)
print(s)