31913040128940

Names of 31913040128940

• Cardinal: 31913040128940 can be written as Thirty-one trillion, nine hundred thirteen billion, forty million, one hundred twenty-eight thousand, nine hundred forty.

Scientific notation

• Scientific notation: 3.191304012894 × 10¹³

Factors of 31913040128940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 79227

Divisors of 31913040128940

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 257 270 324 405 514 540 771 810 983 1028 1285 1542 1620 1966 2313 2570 2949 3084 3855 3932 4626 4915 5140 5898 6939 7710 8847 9252 9830 11565 11796 13878 14745 15420 17694 19660 20817 23130 26541 27756 29490 34695 35388 41634 44235 46260 53082 58980 69390 77977 79623 83268 88470 104085 106164 132705 138780 155954 159246 176940 208170 233931 252631 265410 311908 318492 389885 398115 416340 467862 505262 530820 701793 757893 779770 796230 935724 1010524 1169655 1263155 1403586 1515786 1559540 1592460 2105379 2273679 2339310 2526310 2807172 3031572 3508965 3789465 4210758 4547358 4678620 5052620 6316137 6821037 7017930 7578930 8421516 9094716 10526895 11368395 12632274 13642074 14035860 15157860 20040089 20463111 21053790 22736790 25264548 27284148 31580685 34105185 40080178 40926222 42107580 45473580 60120267 63161370 68210370 76651391 80160356 81852444 100200445 102315555 120240534 126322740 136420740 153302782 180360801 200400890 204631110 229954173 240481068 300601335 306605564 360721602 383256955 400801780 409262220 459908346 541082403 601202670 689862519 721443204 766513910 901804005 919816692 1082164806 1149770865 1202405340 1379725038 1533027820 1623247209 1803608010 2069587557 2164329612 2299541730 2705412015 2759450076 3246494418 3449312595 3607216020 4139175114 4599083460 5410824030 6208762671 6492988836 6898625190 8116236045 8278350228 10347937785 10821648060 12417525342 13797250380 16232472090 19699407487 20695875570 24835050684 31043813355 32464944180 39398814974 41391751140 59098222461 62087626710 78797629948 98497037435 118196444922 124175253420 177294667383 196994074870 236392889844 295491112305 354589334766 393988149740 531884002149 590982224610 709178669532 886473336915 1063768004298 1181964449220 1595652006447 1772946673830 2127536008596 2659420010745 3191304012894 3545893347660 5318840021490 6382608025788 7978260032235 10637680042980 15956520064470 31913040128940
• Sum of all divisors σ(n): 100605461406912
• Sum of proper divisors (its aliquot sum) s(n): 68692421277972
• 31913040128940 is an abundant number, because the sum of its proper divisors (68692421277972) is greater than itself. Its abundance is 36779381149032

Bases of 31913040128940

• Binary: 111010000011001010101011010111010101110101100₂
• Hexadecimal: 0x1D06556BABAC
• Base-36: BB8NC4ER0

Squares and roots of 31913040128940

• 31913040128940 squared (31913040128940²) is 1018442130271334771825523600
• 31913040128940 cubed (31913040128940³) is 32501584572352245703844713146927012984000
• The square root of 31913040128940 is 5649162.7812393581
• The cube root of 31913040128940 is 31719.2365766265

Scales and comparisons

• 31,913,040,128,940 seconds is equal to 1,014,735 years, 50 weeks, 9 hours, 9 minutes.
• To count from 1 to 31,913,040,128,940 would take you about two million, five hundred thirty-six thousand, eight hundred thirty-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 31913040128940 cubic inches would be around 2643.3 feet tall.

Recreational maths with 31913040128940

• 31913040128940 backwards is 04982104031913
• 31913040128940 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31913040128940's digits is 45
• More coming soon!