20408831803920

Names of 20408831803920

• Cardinal: 20408831803920 can be written as Twenty trillion, four hundred eight billion, eight hundred thirty-one million, eight hundred three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.040883180392 × 10¹³

Factors of 20408831803920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 349224

Divisors of 20408831803920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 43 48 56 60 70 80 84 86 105 112 120 129 140 168 172 210 215 240 258 280 301 336 344 420 430 516 560 602 645 688 811 840 860 903 1032 1204 1290 1505 1622 1680 1720 1806 2064 2408 2433 2580 3010 3244 3440 3612 4055 4515 4816 4866 5160 5677 6020 6488 7224 8110 9030 9732 10320 11354 12040 12165 12976 14448 16220 17031 18060 19464 22708 24080 24330 28385 32440 34062 34873 36120 38928 45416 48660 56770 64880 68124 69746 72240 85155 90832 97320 104619 113540 136248 139492 170310 174365 194640 209238 227080 244111 272496 278984 340620 348353 348730 418476 454160 488222 523095 557968 681240 696706 697460 732333 836952 976444 1045059 1046190 1220555 1362480 1393412 1394920 1464666 1673904 1741765 1952888 2090118 2092380 2438471 2441110 2786824 2789840 2929332 3483530 3661665 3905776 4180236 4184760 4876942 4882220 5225295 5573648 5858664 6967060 7315413 7323330 8360472 8369520 9753884 9764440 10450590 11717328 12192355 13934120 14630826 14646660 14979179 16720944 19507768 19528880 20901180 24384710 27868240 29261652 29293320 29958358 36577065 39015536 41802360 44937537 48769420 58523304 58586640 59916716 73154130 74895895 83604720 89875074 97538840 104854253 117046608 119833432 146308260 149791790 179750148 195077680 209708506 224687685 239666864 282514283 292616520 299583580 314562759 359500296 419417012 449375370 524271265 565028566 585233040 599167160 629125518 719000592 838834024 847542849 898750740 1048542530 1130057132 1198334320 1258251036 1412571415 1572813795 1677668048 1695085698 1797501480 1977599981 2097085060 2260114264 2516502072 2825142830 3145627590 3390171396 3595002960 3955199962 4194170120 4237714245 4520228528 5033004144 5650285660 5932799943 6291255180 6780342792 7910399924 8388340240 8475428490 9887999905 11300571320 11865599886 12148114169 12582510360 13560685584 15820799848 16950856980 19775999810 22601142640 23731199772 24296228338 25165020720 29663999715 31641599696 33901713960 36444342507 39551999620 47462399544 48592456676 59327999430 60740570845 67803427920 72888685014 79103999240 85036799183 94924799088 97184913352 118655998860 121481141690 145777370028 158207998480 170073598366 182221712535 194369826704 237311997720 242962283380 255110397549 291554740056 340147196732 364443425070 425183995915 474623995440 485924566760 510220795098 583109480112 680294393464 728886850140 850367991830 971849133520 1020441590196 1275551987745 1360588786928 1457773700280 1700735983660 2040883180392 2551103975490 2915547400560 3401471967320 4081766360784 5102207950980 6802943934640 10204415901960 20408831803920
• Sum of all divisors σ(n): 74078542669824
• Sum of proper divisors (its aliquot sum) s(n): 53669710865904
• 20408831803920 is an abundant number, because the sum of its proper divisors (53669710865904) is greater than itself. Its abundance is 33260879061984

Bases of 20408831803920

• Binary: 100101000111111001101001010111000001000010000₂
• Hexadecimal: 0x128FCD2B8210
• Base-36: 78FORIK9C

Squares and roots of 20408831803920

• 20408831803920 squared (20408831803920²) is 416520415600696481327366400
• 20408831803920 cubed (20408831803920³) is 8500695104893470479416791801374796288000
• The square root of 20408831803920 is 4517613.5075856147
• The cube root of 20408831803920 is 27327.8867246793

Scales and comparisons

• 20,408,831,803,920 seconds is equal to 648,937 years, 37 weeks, 4 days, 1 hour, 32 minutes.
• To count from 1 to 20,408,831,803,920 would take you about one million, six hundred twenty-two thousand, three hundred forty-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 20408831803920 cubic inches would be around 2277.3 feet tall.

Recreational maths with 20408831803920

• 20408831803920 backwards is 02930813880402
• 20408831803920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20408831803920's digits is 48
• More coming soon!