18007157601

Names of 18007157601

• Cardinal: 18007157601 can be written as Eighteen billion, seven million, one hundred fifty-seven thousand, six hundred one.

Scientific notation

• Scientific notation: 1.8007157601 × 10¹⁰

Factors of 18007157601

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4921

Divisors of 18007157601

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 27 29 43 87 113 129 261 339 387 783 1017 1161 1247 3051 3277 3741 4733 4859 9831 11223 14199 14577 29493 33669 42597 43731 88479 127791 131193 137257 140911 203519 411771 422733 534829 610557 1235313 1268199 1604487 1831671 3705939 3804597 4813461 5495013 5902051 14440383 15510041 17706153 22997647 46530123 53118459 68992941 139590369 159355377 206978823 418771107 620936469 666931763 2000795289 6002385867 18007157601
• Sum of all divisors σ(n): 28494892800
• Sum of proper divisors (its aliquot sum) s(n): 10487735199
• 18007157601 is a deficient number, because the sum of its proper divisors (10487735199) is less than itself. Its deficiency is 7519422402

Bases of 18007157601

• Binary: 10000110001010011110110101101100001₂
• Hexadecimal: 0x4314F6B61
• Base-36: 89SZVQ9

Squares and roots of 18007157601

• 18007157601 squared (18007157601²) is 324257724867252075201
• 18007157601 cubed (18007157601³) is 5838959955026304921938710752801
• The square root of 18007157601 is 134190.7508027285
• The cube root of 18007157601 is 2621.0887226423

Scales and comparisons

• 18,007,157,601 seconds is equal to 572 years, 29 weeks, 5 days, 4 hours, 13 minutes, 21 seconds.
• To count from 1 to 18,007,157,601 would take you about one thousand, one hundred forty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18007157601 cubic inches would be around 218.4 feet tall.

Recreational maths with 18007157601

• 18007157601 backwards is 10675170081
• The number of decimal digits it has is: 11
• The sum of 18007157601's digits is 36
• More coming soon!