20384021489940

Names of 20384021489940

• Cardinal: 20384021489940 can be written as Twenty trillion, three hundred eighty-four billion, twenty-one million, four hundred eighty-nine thousand, nine hundred forty.

Scientific notation

• Scientific notation: 2.038402148994 × 10¹³

Factors of 20384021489940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2213

Divisors of 20384021489940

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 59 60 90 118 127 177 180 236 254 295 354 381 508 531 590 635 708 762 885 1062 1143 1180 1270 1524 1770 1905 2017 2124 2286 2540 2655 3481 3540 3810 4034 4572 5310 5715 6051 6962 7493 7620 8068 10085 10443 10620 11430 12102 13924 14986 16129 17405 18153 20170 20886 22479 22860 24204 29972 30255 31329 32258 34810 36306 37465 40340 41772 44958 48387 52215 60510 62658 64516 67437 69620 72612 74930 80645 89916 90765 96774 104430 112395 119003 121020 125316 134874 145161 149860 156645 161290 181530 193548 208860 224790 238006 241935 256159 269748 290322 313290 322580 337185 357009 363060 442087 449580 476012 483870 512318 580644 595015 626580 674370 714018 725805 768477 884174 951611 967740 1024636 1071027 1190030 1280795 1326261 1348740 1428036 1451610 1536954 1768348 1785045 1903222 2142054 2210435 2305431 2380060 2561590 2652522 2854833 2903220 3073908 3570090 3806444 3842385 3978783 4284108 4420870 4610862 4758055 5123180 5305044 5355135 5709666 6631305 7021177 7140180 7684770 7957566 8564499 8841740 9221724 9516110 10710270 11419332 11527155 13262610 14042354 14274165 15113381 15369540 15915132 17128998 19032220 19893915 21063531 21420540 23054310 26525220 28084708 28548330 30226762 32532193 34257996 35105885 39787830 42127062 42822495 45340143 46108620 56145049 57096660 60453524 63190593 65064386 70211770 75566905 79575660 84254124 85644990 90680286 97596579 105317655 112290098 126381186 130128772 136020429 140423540 151133810 162660965 168435147 171289980 181360572 195193158 210635310 224580196 226700715 252762372 272040858 280725245 292789737 302267620 315952965 325321930 336870294 390386316 421270620 453401430 487982895 505305441 544081716 561450490 585579474 631905930 650643860 673740588 680102145 842175735 891689479 906802860 975965790 1010610882 1122900980 1171158948 1263811860 1360204290 1463948685 1684351470 1783378958 1919399387 1951931580 2021221764 2526527205 2675068437 2720408580 2927897370 3368702940 3566757916 3838798774 4458447395 5053054410 5350136874 5758198161 5855794740 7677597548 8025205311 8916894790 9596996935 10106108820 10700273748 11516396322 13375342185 16050410622 17274594483 17833789580 19193993870 23032792644 26750684370 28790990805 32100821244 34549188966 38387987740 40126026555 53501368740 57581981610 69098377932 80252053110 86372972415 113244563833 115163963220 160504106220 172745944830 226489127666 339733691499 345491889660 452978255332 566222819165 679467382998 1019201074497 1132445638330 1358934765996 1698668457495 2038402148994 2264891276660 3397336914990 4076804297988 5096005372485 6794673829980 10192010744970 20384021489940
• Sum of all divisors σ(n): 63427871415636
• Sum of proper divisors (its aliquot sum) s(n): 43043849925696
• 20384021489940 is an abundant number, because the sum of its proper divisors (43043849925696) is greater than itself. Its abundance is 22659828435756

Bases of 20384021489940

• Binary: 100101000101000000110010111000010100100010100₂
• Hexadecimal: 0x128A065C2914
• Base-36: 784AG3FH0

Squares and roots of 20384021489940

• 20384021489940 squared (20384021489940²) is 415508332102335737521203600
• 20384021489940 cubed (20384021489940³) is 8469730770823138052901073368814091784000
• The square root of 20384021489940 is 4514866.7189563857
• The cube root of 20384021489940 is 27316.8083773549

Scales and comparisons

• 20,384,021,489,940 seconds is equal to 648,148 years, 43 weeks, 1 day, 15 hours, 39 minutes.
• To count from 1 to 20,384,021,489,940 would take you about one million, six hundred twenty thousand, three hundred seventy-two 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 20384021489940 cubic inches would be around 2276.4 feet tall.

Recreational maths with 20384021489940

• 20384021489940 backwards is 04998412048302
• The number of decimal digits it has is: 14
• The sum of 20384021489940's digits is 54
• More coming soon!