221481449442

Names of 221481449442

• Cardinal: 221481449442 can be written as Two hundred twenty-one billion, four hundred eighty-one million, four hundred forty-nine thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 2.21481449442 × 10¹¹

Factors of 221481449442

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3766323

Divisors of 221481449442

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 11 18 22 27 33 54 66 81 99 121 162 198 242 243 297 363 486 594 726 891 1089 1782 2178 2673 3267 5346 6534 9801 19602 29403 58806 3766307 7532614 11298921 22597842 33896763 41429377 67793526 82858754 101690289 124288131 203380578 248576262 305070867 372864393 455723147 610141734 745728786 911446294 915212601 1118593179 1367169441 1830425202 2237186358 2734338882 3355779537 4101508323 6711559074 8203016646 10067338611 12304524969 20134677222 24609049938 36913574907 73827149814 110740724721 221481449442
• Sum of all divisors σ(n): 547003508688
• Sum of proper divisors (its aliquot sum) s(n): 325522059246
• 221481449442 is an abundant number, because the sum of its proper divisors (325522059246) is greater than itself. Its abundance is 104040609804

Bases of 221481449442

• Binary: 11001110010001010100101011011111100010₂
• Hexadecimal: 0x339152B7E2
• Base-36: 2TQWC44I

Squares and roots of 221481449442

• 221481449442 squared (221481449442²) is 49054032446929202111364
• 221481449442 cubed (221481449442³) is 10864558207320777625581465419658888
• The square root of 221481449442 is 470618.1567279357
• The cube root of 221481449442 is 6050.3307830161

Scales and comparisons

• 221,481,449,442 seconds is equal to 7,042 years, 22 weeks, 16 hours, 50 minutes, 42 seconds.
• To count from 1 to 221,481,449,442 would take you about fourteen thousand and eighty-four 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 221481449442 cubic inches would be around 504.2 feet tall.

Recreational maths with 221481449442

• 221481449442 backwards is 244944184122
• The number of decimal digits it has is: 12
• The sum of 221481449442's digits is 45
• More coming soon!