21081463938000

Names of 21081463938000

• Cardinal: 21081463938000 can be written as Twenty-one trillion, eighty-one billion, four hundred sixty-three million, nine hundred thirty-eight thousand.

Scientific notation

• Scientific notation: 2.1081463938 × 10¹³

Factors of 21081463938000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 17653

Divisors of 21081463938000

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 30 34 36 40 45 48 50 51 60 68 72 75 80 85 90 100 102 120 125 136 144 150 153 170 180 200 204 225 233 240 250 255 272 289 300 306 340 360 375 400 408 425 450 466 500 510 578 600 612 680 699 720 750 765 816 850 867 900 932 1000 1020 1125 1156 1165 1200 1224 1275 1360 1398 1445 1500 1530 1700 1734 1800 1864 2000 2040 2097 2125 2250 2312 2330 2448 2550 2601 2796 2890 3000 3060 3400 3468 3495 3600 3728 3825 3961 4080 4194 4250 4335 4500 4624 4660 5100 5202 5592 5780 5825 6000 6120 6375 6800 6936 6990 7225 7650 7922 8388 8500 8670 9000 9320 10200 10404 10485 11184 11560 11650 11883 12240 12750 13005 13872 13980 14450 15300 15844 16776 17000 17340 17393 17475 18000 18640 19125 19805 20400 20808 20970 21675 23120 23300 23766 25500 26010 27960 28900 29125 30600 31688 33552 34000 34680 34786 34950 35649 36125 38250 39610 41616 41940 43350 46600 47532 51000 52020 52179 52425 55920 57800 58250 59415 61200 63376 65025 67337 69360 69572 69900 71298 72250 76500 79220 83880 86700 86965 87375 93200 95064 99025 102000 104040 104358 104850 108375 115600 116500 118830 130050 134674 139144 139800 142596 144500 153000 156537 158440 167760 173400 173930 174750 178245 190128 198050 202011 208080 208716 209700 216750 233000 237660 260100 260895 262125 269348 278288 279600 285192 289000 295681 297075 306000 313074 316880 325125 336685 346800 347860 349500 356490 396100 404022 417432 419400 433500 434825 466000 475320 495125 520200 521790 524250 538696 570384 578000 591362 594150 606033 626148 650250 673370 695720 699000 712980 782685 792200 808044 834864 838800 867000 869650 887043 891225 950640 990250 1010055 1040400 1043580 1048500 1077392 1182724 1188300 1212066 1252296 1300500 1304475 1346740 1391440 1398000 1425960 1478405 1485375 1565370 1584400 1616088 1683425 1734000 1739300 1774086 1782450 1980500 2020110 2087160 2097000 2174125 2365448 2376600 2424132 2504592 2601000 2608950 2661129 2693480 2851920 2956810 2970750 3030165 3130740 3232176 3366850 3478600 3548172 3564900 3913425 3961000 4040220 4052569 4174320 4194000 4348250 4435215 4456125 4730896 4753200 4848264 5026577 5050275 5202000 5217900 5322258 5386960 5913620 5941500 6060330 6261480 6522375 6733700 6957200 7096344 7129800 7392025 7826850 7922000 8080440 8105138 8417125 8696500 8870430 8912250 9696528 10053154 10100550 10435800 10644516 11827240 11883000 12120660 12157707 12522960 13044750 13305645 13467400 14192688 14259600 14784050 15079731 15150825 15653700 16160880 16210276 16834250 17393000 17740860 17824500 19567125 20106308 20201100 20262845 20871600 21289032 22176075 23654480 23766000 24241320 24315414 25132885 25251375 26089500 26611290 26934800 29568100 30159462 30301650 31307400 32420552 33668500 34786000 35481720 35649000 36473121 36960125 39134250 40212616 40402200 40525690 42578064 44352150 45239193 48482640 48630828 50265770 50502750 52179000 53222580 59136200 60318924 60603300 60788535 62614800 64841104 66528225 67337000 68893673 70963440 71298000 72946242 73920250 75398655 75754125 78268500 80425232 80804400 81051380 88704300 90478386 97261656 100531540 101005500 101314225 104358000 106445160 110880375 118272400 120637848 121206600 121577070 125664425 133056450 134674000 137787346 145892484 147840500 150797310 151508250 156537000 162102760 177408600 180956772 182365605 194523312 201063080 202011000 202628450 206681019 212890320 221760750 226195965 241275696 242413200 243154140 251328850 266112900 275574692 291784968 295681000 301594620 303016500 303942675 313074000 324205520 332641125 344468365 354817200 361913544 364731210 376993275 402126160 404022000 405256900 413362038 443521500 452391930 486308280 502657700 506571125 532225800 551149384 583569936 591362000 603189240 606033000 607885350 620043057 628322125 665282250 688936730 723827088 729462420 753986550 810513800 826724076 887043000 904783860 911828025 972616560 1005315400 1013142250 1033405095 1064451600 1102298768 1130979825 1171192441 1206378480 1212066000 1215770700 1240086114 1256644250 1330564500 1377873460 1458924840 1507973100 1519713375 1621027600 1653448152 1722341825 1774086000 1809567720 1823656050 1884966375 2010630800 2026284500 2066810190 2261959650 2342384882 2431541400 2480172228 2513288500 2661129000 2755746920 2917849680 3015946200 3039426750 3100215285 3306896304 3444683650 3513577323 3619135440 3647312100 3769932750 4052569000 4133620380 4523919300 4559140125 4684769764 4863082800 4960344456 5026577000 5167025475 5322258000 5511493840 5654899125 5855962205 6031892400 6078853500 6200430570 6889367300 7027154646 7294624200 7539865500 8105138000 8267240760 8611709125 9047838600 9118280250 9369539528 9920688912 10053154000 10334050950 10540731969 11309798250 11711924410 12157707000 12400861140 13778734600 14054309292 14589248400 15079731000 15501076425 16534481520 17223418250 17567886615 18095677200 18236560500 18739079056 20668101900 21081463938 22619596500 23423848820 24315414000 24801722280 25835127375 27557469200 28108618584 29279811025 30159462000 31002152850 34446836500 35135773230 36473121000 41336203800 42162927876 45239193000 46847697640 49603444560 51670254750 52703659845 56217237168 58559622050 62004305700 68893673000 70271546460 72946242000 77505382125 82672407600 84325855752 87839433075 90478386000 93695395280 103340509500 105407319690 117119244100 124008611400 137787346000 140543092920 146399055125 155010764250 168651711504 175678866150 206681019000 210814639380 234238488200 248017222800 263518299225 281086185840 292798110250 310021528500 351357732300 413362038000 421629278760 439197165375 468476976400 527036598450 585596220500 620043057000 702715464600 843258557520 878394330750 1054073196900 1171192441000 1240086114000 1317591496125 1405430929200 1756788661500 2108146393800 2342384882000 2635182992250 3513577323000 4216292787600 5270365984500 7027154646000 10540731969000 21081463938000
• Sum of all divisors σ(n): 78556720213296
• Sum of proper divisors (its aliquot sum) s(n): 57475256275296
• 21081463938000 is an abundant number, because the sum of its proper divisors (57475256275296) is greater than itself. Its abundance is 36393792337296

Bases of 21081463938000

• Binary: 100110010110001101001001010110101101111010000₂
• Hexadecimal: 0x132C692B5BD0
• Base-36: 7H0OVBKK0

Squares and roots of 21081463938000

• 21081463938000 squared (21081463938000²) is 444428121769194467844000000
• 21081463938000 cubed (21081463938000³) is 9369195422110345933162386609672000000000
• The square root of 21081463938000 is 4591455.5358840187
• The cube root of 21081463938000 is 27624.8707844055

Scales and comparisons

• 21,081,463,938,000 seconds is equal to 670,325 years, 17 weeks, 6 days, 5 hours.
• To count from 1 to 21,081,463,938,000 would take you about one million, six hundred seventy-five thousand, eight hundred thirteen 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 21081463938000 cubic inches would be around 2302.1 feet tall.

Recreational maths with 21081463938000

• 21081463938000 backwards is 00083936418012
• 21081463938000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21081463938000's digits is 45
• More coming soon!