31943678481

Names of 31943678481

• Cardinal: 31943678481 can be written as Thirty-one billion, nine hundred forty-three million, six hundred seventy-eight thousand, four hundred eighty-one.

Scientific notation

• Scientific notation: 3.1943678481 × 10¹⁰

Factors of 31943678481

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 124

Divisors of 31943678481

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 13 27 33 39 81 97 99 117 143 169 243 291 297 351 429 507 729 873 891 1053 1067 1261 1287 1521 1859 2187 2619 2673 3159 3201 3783 3861 4563 5577 6561 7857 8019 9477 9603 11349 11583 13689 13871 16393 16731 19683 23571 24057 28431 28809 34047 34749 41067 41613 49179 50193 59049 70713 72171 85293 86427 102141 104247 123201 124839 147537 150579 177147 180323 212139 216513 255879 259281 306423 312741 369603 374517 442611 451737 540969 636417 649539 767637 777843 919269 938223 1108809 1123551 1327833 1355211 1622907 1909251 1948617 2302911 2333529 2757807 2814669 3326427 3370653 3983499 4065633 4868721 5727753 7000587 8273421 8444007 9979281 10111959 11950497 12196899 14606163 17183259 21001761 24820263 25332021 29937843 30335877 35851491 36590697 43818489 63005283 74460789 91007631 107554473 109772091 131455467 189015849 223382367 273022893 322663419 329316273 394366401 819068679 967990257 1183099203 2457206037 2903970771 3549297609 10647892827 31943678481
• Sum of all divisors σ(n): 57185069760
• Sum of proper divisors (its aliquot sum) s(n): 25241391279
• 31943678481 is a deficient number, because the sum of its proper divisors (25241391279) is less than itself. Its deficiency is 6702287202

Bases of 31943678481

• Binary: 11101101111111111011101101000010001₂
• Hexadecimal: 0x76FFDDA11
• Base-36: EOAFW29

Squares and roots of 31943678481

• 31943678481 squared (31943678481²) is 1020398594897502467361
• 31943678481 cubed (31943678481³) is 32595284637869985967283980558641
• The square root of 31943678481 is 178727.9454394303
• The cube root of 31943678481 is 3172.9384093091

Scales and comparisons

• 31,943,678,481 seconds is equal to 1,015 years, 36 weeks, 6 days, 12 hours, 1 minute, 21 seconds.
• To count from 1 to 31,943,678,481 would take you about two thousand and thirty-one 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 31943678481 cubic inches would be around 264.4 feet tall.

Recreational maths with 31943678481

• 31943678481 backwards is 18487634913
• The number of decimal digits it has is: 11
• The sum of 31943678481's digits is 54
• More coming soon!