31435168905

Names of 31435168905

• Cardinal: 31435168905 can be written as Thirty-one billion, four hundred thirty-five million, one hundred sixty-eight thousand, nine hundred five.

Scientific notation

• Scientific notation: 3.1435168905 × 10¹⁰

Factors of 31435168905

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 340

Divisors of 31435168905

• Number of divisors d(n): 224
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 89 105 109 127 135 189 243 267 315 327 381 405 445 545 567 623 635 729 763 801 889 945 981 1143 1215 1335 1635 1701 1869 1905 2289 2403 2667 2835 2943 3115 3429 3645 3815 4005 4445 4905 5103 5607 5715 6867 7209 8001 8505 8829 9345 9701 10287 11303 11445 12015 13335 13843 14715 16821 17145 20601 21627 24003 25515 26487 28035 29103 30861 33909 34335 36045 40005 41529 44145 48505 50463 51435 56515 61803 64881 67907 69215 72009 79121 79461 84105 87309 92583 96901 101727 103005 108135 120015 124587 132435 145515 151389 154305 169545 185409 203721 207645 216027 237363 252315 261927 290703 305181 309015 324405 339535 360045 373761 395605 397305 436545 454167 462915 484505 508635 556227 611163 622935 648081 712089 756945 785781 872109 915543 927045 1018605 1080135 1121283 1186815 1232027 1309635 1453515 1525905 1833489 1868805 2136267 2270835 2357343 2616327 2746629 2781135 3055815 3240405 3363849 3560445 3696081 3928905 4360545 4577715 5500467 5606415 6160135 6408801 7072029 7848981 8239887 8624189 9167445 10091547 10681335 11088243 11786715 13081635 13733145 16501401 16819245 18480405 19226403 23546943 25872567 27502335 32044005 33264729 35360145 39244905 41199435 43120945 49504203 50457735 55441215 57679209 70640829 77617701 82507005 96132015 99794187 117734715 129362835 166323645 232853103 247521015 288396045 299382561 353204145 388088505 498970935 698559309 898147683 1164265515 1496912805 2095677927 3492796545 4490738415 6287033781 10478389635 31435168905
• Sum of all divisors σ(n): 66482380800
• Sum of proper divisors (its aliquot sum) s(n): 35047211895
• 31435168905 is an abundant number, because the sum of its proper divisors (35047211895) is greater than itself. Its abundance is 3612042990

Bases of 31435168905

• Binary: 11101010001101011101001110010001001₂
• Hexadecimal: 0x751AE9C89
• Base-36: EFVORK9

Squares and roots of 31435168905

• 31435168905 squared (31435168905²) is 988169844085878899025
• 31435168905 cubed (31435168905³) is 31063285955667118516226314817625
• The square root of 31435168905 is 177299.6585022091
• The cube root of 31435168905 is 3156.0116625153

Scales and comparisons

• 31,435,168,905 seconds is equal to 999 years, 28 weeks, 23 hours, 21 minutes, 45 seconds.
• To count from 1 to 31,435,168,905 would take you about one thousand, nine hundred ninety-nine 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 31435168905 cubic inches would be around 263 feet tall.

Recreational maths with 31435168905

• 31435168905 backwards is 50986153413
• 31435168905 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31435168905's digits is 45
• More coming soon!