20497105990920

Names of 20497105990920

• Cardinal: 20497105990920 can be written as Twenty trillion, four hundred ninety-seven billion, one hundred five million, nine hundred ninety thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.049710599092 × 10¹³

Factors of 20497105990920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 40580

Divisors of 20497105990920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 78 104 120 130 156 195 260 307 312 390 520 614 780 921 1093 1228 1535 1560 1842 2186 2456 3070 3279 3684 3991 4372 4605 5465 6140 6558 7368 7982 8744 9210 10930 11973 12280 13116 14209 15964 16395 18420 19955 21860 23946 26232 28418 31928 32790 36840 39157 39910 42627 43720 47892 56836 59865 65580 71045 78314 79820 85254 95784 113672 117471 119730 131160 142090 156628 159640 170508 195785 213135 234942 239460 284180 313256 335551 341016 391570 426270 469884 478920 509041 568360 587355 671102 783140 852540 939768 1006653 1018082 1174710 1342204 1527123 1566280 1677755 1705080 2013306 2036164 2349420 2545205 2684408 3054246 3355510 4026612 4072328 4362163 4698840 5033265 5090410 6108492 6711020 7635615 8053224 8724326 10066530 10180820 12021199 12216984 13086489 13422040 15271230 17448652 20133060 20361640 21810815 24042398 26172978 30542460 34897304 36063597 40266120 42798601 43621630 48084796 52345956 60105995 61084920 65432445 72127194 85597202 87243260 96169592 104691912 120211990 128395803 130864890 144254388 156275587 171194404 174486520 180317985 213993005 240423980 256791606 261729780 288508776 312551174 342388808 360635970 427986010 468826761 480847960 513583212 523459560 556381813 625102348 641979015 721271940 781377935 855972020 937653522 1027166424 1112763626 1250204696 1283958030 1442543880 1562755870 1669145439 1711944040 1875307044 2225527252 2344133805 2567916060 2781909065 3125511740 3338290878 3750614088 4451054504 4688267610 5135832120 5563818130 6251023480 6676581756 8345727195 9376535220 11127636260 13139170507 13353163512 16691454390 18753070440 22255272520 26278341014 33382908780 39417511521 52556682028 65695852535 66765817560 78835023042 105113364056 131391705070 157670046084 170809216591 197087557605 262783410140 315340092168 341618433182 394175115210 512427649773 525566820280 683236866364 788350230420 854046082955 1024855299546 1366473732728 1576700460840 1708092165910 2049710599092 2562138248865 3416184331820 4099421198184 5124276497730 6832368663640 10248552995460 20497105990920
• Sum of all divisors σ(n): 66499606736640
• Sum of proper divisors (its aliquot sum) s(n): 46002500745720
• 20497105990920 is an abundant number, because the sum of its proper divisors (46002500745720) is greater than itself. Its abundance is 25505394754800

Bases of 20497105990920

• Binary: 100101010010001011010101110001011010100001000₂
• Hexadecimal: 0x12A45AB8B508
• Base-36: 79K8NOQVC

Squares and roots of 20497105990920

• 20497105990920 squared (20497105990920²) is 420131354003008555122446400
• 20497105990920 cubed (20497105990920³) is 8611476893108397978904309159606586688000
• The square root of 20497105990920 is 4527372.9679495149
• The cube root of 20497105990920 is 27367.2304314211

Scales and comparisons

• 20,497,105,990,920 seconds is equal to 651,744 years, 29 weeks, 4 days, 1 hour, 2 minutes.
• To count from 1 to 20,497,105,990,920 would take you about one million, six hundred twenty-nine thousand, three hundred sixty-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 20497105990920 cubic inches would be around 2280.6 feet tall.

Recreational maths with 20497105990920

• 20497105990920 backwards is 02909950179402
• The number of decimal digits it has is: 14
• The sum of 20497105990920's digits is 57
• More coming soon!