172441998729

Names of 172441998729

• Cardinal: 172441998729 can be written as One hundred seventy-two billion, four hundred forty-one million, nine hundred ninety-eight thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.72441998729 × 10¹¹

Factors of 172441998729

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14424

Divisors of 172441998729

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 11 13 21 33 39 63 77 91 99 117 143 231 273 429 693 819 1001 1287 1483 3003 4449 9009 10381 12907 13347 16313 19279 31143 38721 48939 57837 90349 93429 114191 116163 134953 141977 146817 167791 173511 212069 271047 342573 404859 425931 503373 636207 813141 993839 1027719 1174537 1214577 1277793 1484483 1510119 1845701 1908621 2981517 3523611 4453449 5537103 8944551 10570833 12919907 13360347 16611309 19141081 38759721 57423243 116279163 133987567 172269729 210551891 248834053 401962701 631655673 746502159 1205888103 1473863237 1741838371 1894967019 2239506477 2737174583 4421589711 5225515113 8211523749 13264769133 15676545339 19160222081 24634571247 57480666243 172441998729
• Sum of all divisors σ(n): 334684406784
• Sum of proper divisors (its aliquot sum) s(n): 162242408055
• 172441998729 is a deficient number, because the sum of its proper divisors (162242408055) is less than itself. Its deficiency is 10199590674

Bases of 172441998729

• Binary: 10100000100110010110000001010110001001₂
• Hexadecimal: 0x2826581589
• Base-36: 277VIHS9

Squares and roots of 172441998729

• 172441998729 squared (172441998729²) is 29736242925652437615441
• 172441998729 cubed (172441998729³) is 5127777164790592888777628712774489
• The square root of 172441998729 is 415261.3619505191
• The cube root of 172441998729 is 5566.0574253993

Scales and comparisons

• 172,441,998,729 seconds is equal to 5,483 years, 6 weeks, 2 days, 11 hours, 12 minutes, 9 seconds.
• To count from 1 to 172,441,998,729 would take you about ten thousand, nine hundred sixty-six 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 172441998729 cubic inches would be around 463.8 feet tall.

Recreational maths with 172441998729

• 172441998729 backwards is 927899144271
• 172441998729 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 172441998729's digits is 63
• More coming soon!