31213380471

Names of 31213380471

• Cardinal: 31213380471 can be written as Thirty-one billion, two hundred thirteen million, three hundred eighty thousand, four hundred seventy-one.

Scientific notation

• Scientific notation: 3.1213380471 × 10¹⁰

Factors of 31213380471

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 208

Divisors of 31213380471

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 13 21 31 39 53 91 93 101 159 169 217 273 303 371 403 507 651 689 707 1113 1183 1209 1313 1643 2067 2121 2809 2821 3131 3549 3939 4823 4929 5239 5353 8427 8463 8957 9191 9393 11501 14469 15717 16059 17069 19663 21359 21917 26871 27573 34503 36517 36673 37471 40703 51207 58989 62699 64077 65751 69589 87079 109551 110019 112413 119483 122109 149513 165943 188097 208767 255619 261237 277667 283709 284921 358449 448539 474721 487123 497829 529139 609553 766857 833001 851127 854763 904657 1132027 1161601 1424163 1461369 1587417 1828659 1943669 1985963 2157259 2713971 3323047 3396081 3484803 3688217 3703973 5831007 5957889 6332599 6471777 7924189 8794979 9969141 11064651 11111919 14716351 15100813 18997797 23772567 25817519 26384937 28044367 44149053 45302439 47946821 61564853 77452557 84133101 103014457 114334727 143840463 184694559 196310569 309043371 335627747 343004181 588931707 800343089 1006883241 1486351451 2401029267 4459054353 10404460157 31213380471
• Sum of all divisors σ(n): 54723336192
• Sum of proper divisors (its aliquot sum) s(n): 23509955721
• 31213380471 is a deficient number, because the sum of its proper divisors (23509955721) is less than itself. Its deficiency is 7703424750

Bases of 31213380471

• Binary: 11101000100011101100110001101110111₂
• Hexadecimal: 0x744766377
• Base-36: EC7N2IF

Squares and roots of 31213380471

• 31213380471 squared (31213380471²) is 974275120427404181841
• 31213380471 cubed (31213380471³) is 30410420017329910862699602227111
• The square root of 31213380471 is 176673.0892665887
• The cube root of 31213380471 is 3148.5718047655

Scales and comparisons

• 31,213,380,471 seconds is equal to 992 years, 25 weeks, 2 days, 23 hours, 27 minutes, 51 seconds.
• To count from 1 to 31,213,380,471 would take you about one thousand, nine hundred 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 31213380471 cubic inches would be around 262.4 feet tall.

Recreational maths with 31213380471

• 31213380471 backwards is 17408331213
• The number of decimal digits it has is: 11
• The sum of 31213380471's digits is 33
• More coming soon!