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  1. import time
  2. import math
  3. start_time = time.time()
  4.  
  5. def num_digits(n):
  6. 	return math.floor((math.log1p(2 * math.pi * n) / 2 + n * (math.log1p(n) -1)) / math.log1p(10)) + 1
  7.  
  8. print "approximately 10^%d gp" % num_digits(1000000)
  9. print "%f seconds" % (time.time() - start_time)
Success #stdin #stdout 0.01s 8968KB
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approximately 10^5344487 gp
0.000053 seconds
https://ideone.com/2hFFOr
language:
Python (cpython 2.7.16)
created:
8 years ago
visibility:
public

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