121681679973

Names of 121681679973

• Cardinal: 121681679973 can be written as One hundred twenty-one billion, six hundred eighty-one million, six hundred seventy-nine thousand, nine hundred seventy-three.

Scientific notation

• Scientific notation: 1.21681679973 × 10¹¹

Factors of 121681679973

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1315

Divisors of 121681679973

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 21 31 41 43 93 97 123 129 217 287 291 301 651 679 861 903 1093 1271 1333 1763 2037 3007 3279 3813 3977 3999 4171 5289 7651 8897 9021 9331 11931 12341 12513 21049 22953 26691 27839 27993 29197 33883 37023 44813 46999 54653 63147 83517 87591 101649 106021 123287 129301 134439 140997 163959 171011 237181 313691 318063 328993 369861 382571 387903 513033 711543 742147 863009 905107 941073 986979 1147713 1197077 1389203 1456969 1926959 2226441 2589027 2715321 3286651 3591231 4167609 4346861 4370907 4558903 5301341 5780877 9724421 9859953 10198783 13040583 13488713 13676709 15904023 23006557 29173263 30428027 30596349 31912321 37109387 40466139 59735729 69019671 91284081 95736963 111328161 134752691 141325993 179207187 186915023 404258073 418150103 423977979 560745069 943268837 989281951 1254450309 1308405161 2829806511 2967845853 3925215483 5794365713 17383097139 40560559991 121681679973
• Sum of all divisors σ(n): 202882842624
• Sum of proper divisors (its aliquot sum) s(n): 81201162651
• 121681679973 is a deficient number, because the sum of its proper divisors (81201162651) is less than itself. Its deficiency is 40480517322

Bases of 121681679973

• Binary: 1110001010100110010110001011001100101₂
• Hexadecimal: 0x1C54CB1665
• Base-36: 1JWE4P5X

Squares and roots of 121681679973

• 121681679973 squared (121681679973²) is 14806431241051589280729
• 121681679973 cubed (121681679973³) is 1801671427815868706840703434140317
• The square root of 121681679973 is 348829.0125161609
• The cube root of 121681679973 is 4955.3583436823

Scales and comparisons

• 121,681,679,973 seconds is equal to 3,869 years, 5 weeks, 1 day, 18 hours, 39 minutes, 33 seconds.
• To count from 1 to 121,681,679,973 would take you about seven thousand, seven hundred thirty-eight 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 121681679973 cubic inches would be around 412.9 feet tall.

Recreational maths with 121681679973

• 121681679973 backwards is 379976186121
• The number of decimal digits it has is: 12
• The sum of 121681679973's digits is 60
• More coming soon!