20497831398720

Names of 20497831398720

• Cardinal: 20497831398720 can be written as Twenty trillion, four hundred ninety-seven billion, eight hundred thirty-one million, three hundred ninety-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.049783139872 × 10¹³

Factors of 20497831398720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 32205029

Divisors of 20497831398720

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 32 34 36 39 40 45 48 51 52 60 64 65 68 72 78 80 85 90 96 102 104 117 120 130 136 144 153 156 160 170 180 192 195 204 208 221 234 240 255 260 272 288 306 312 320 340 360 390 408 416 442 468 480 510 520 544 576 585 612 624 663 680 720 765 780 816 832 884 936 960 1020 1040 1088 1105 1170 1224 1248 1326 1360 1440 1530 1560 1632 1768 1872 1989 2040 2080 2210 2340 2448 2496 2652 2720 2880 3060 3120 3264 3315 3536 3744 3978 4080 4160 4420 4680 4896 5304 5440 6120 6240 6630 7072 7488 7956 8160 8840 9360 9792 9945 10608 12240 12480 13260 14144 15912 16320 17680 18720 19890 21216 24480 26520 31824 35360 37440 39780 42432 48960 53040 63648 70720 79560 106080 127296 159120 212160 318240 636480 32204989 64409978 96614967 128819956 161024945 193229934 257639912 289844901 322049890 386459868 418664857 483074835 515279824 547484813 579689802 644099780 772919736 837329714 966149670 1030559648 1094969626 1159379604 1255994571 1288199560 1449224505 1545839472 1642454439 1674659428 1932299340 2061119296 2093324285 2189939252 2318759208 2511989142 2576399120 2737424065 2898449010 3091678944 3284908878 3349318856 3767983713 3864598680 4186648570 4379878504 4637518416 4927363317 5023978284 5152798240 5474848130 5796898020 6183357888 6279972855 6569817756 6698637712 7117302569 7535967426 7729197360 8212272195 8373297140 8759757008 9275036832 9854726634 10047956568 10305596480 10949696260 11593796040 12559945710 13139635512 13397275424 14234605138 15071934852 15458394720 16424544390 16746594280 17519514016 18550073664 18839918565 19709453268 20095913136 21351907707 21899392520 23187592080 24636816585 25119891420 26279271024 26794550848 28469210276 30143869704 30916789440 32849088780 33493188560 35039028032 35586512845 37679837130 39418906536 40191826272 42703815414 43798785040 46375184160 49273633170 50239782840 52558542048 56938420552 60287739408 64055723121 65698177560 66986377120 71173025690 75359674260 78837813072 80383652544 85407630828 87597570080 92750368320 98547266340 100479565680 105117084096 106759538535 113876841104 120575478816 128111446242 131396355120 133972754240 142346051380 150719348520 157675626144 170815261656 175195140160 197094532680 200959131360 213519077070 227753682208 241150957632 256222892484 262792710240 284692102760 301438697040 315351252288 320278615605 341630523312 394189065360 401918262720 427038154140 455507364416 512445784968 525585420480 569384205520 602877394080 640557231210 683261046624 788378130720 854076308280 1024891569936 1138768411040 1205754788160 1281114462420 1366522093248 1576756261440 1708152616560 2049783139872 2277536822080 2562228924840 3416305233120 4099566279744 5124457849680 6832610466240 10248915699360 20497831398720
• Sum of all divisors σ(n): 80393702996880
• Sum of proper divisors (its aliquot sum) s(n): 59895871598160
• 20497831398720 is an abundant number, because the sum of its proper divisors (59895871598160) is greater than itself. Its abundance is 39398040199440

Bases of 20497831398720

• Binary: 100101010010010000101111101011000110101000000₂
• Hexadecimal: 0x12A485F58D40
• Base-36: 79KKNKR40

Squares and roots of 20497831398720

• 20497831398720 squared (20497831398720²) is 420161092050351511617638400
• 20497831398720 cubed (20497831398720³) is 8612391225150179398049043254495182848000
• The square root of 20497831398720 is 4527453.0807861501
• The cube root of 20497831398720 is 27367.5532764809

Scales and comparisons

• 20,497,831,398,720 seconds is equal to 651,767 years, 32 weeks, 6 days, 23 hours, 12 minutes.
• To count from 1 to 20,497,831,398,720 would take you about one million, six hundred twenty-nine thousand, four hundred nineteen 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 20497831398720 cubic inches would be around 2280.6 feet tall.

Recreational maths with 20497831398720

• 20497831398720 backwards is 02789313879402
• The number of decimal digits it has is: 14
• The sum of 20497831398720's digits is 63
• More coming soon!