21311274981920

Names of 21311274981920

• Cardinal: 21311274981920 can be written as Twenty-one trillion, three hundred eleven billion, two hundred seventy-four million, nine hundred eighty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.131127498192 × 10¹³

Factors of 21311274981920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 243

Divisors of 21311274981920

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 19 20 22 28 32 35 38 40 44 55 56 70 76 77 80 88 95 110 112 121 133 140 152 154 160 176 190 199 209 220 224 242 266 280 304 308 352 361 380 385 398 418 440 484 532 560 605 608 616 665 722 760 770 796 836 847 880 968 995 1045 1064 1120 1210 1232 1330 1331 1393 1444 1463 1520 1540 1592 1672 1694 1760 1805 1936 1990 2090 2128 2189 2299 2420 2464 2527 2660 2662 2786 2888 2926 3040 3080 3184 3344 3388 3610 3781 3872 3971 3980 4180 4235 4256 4378 4598 4840 5054 5320 5324 5572 5776 5852 6160 6368 6655 6688 6776 6965 7220 7315 7562 7942 7960 8360 8470 8756 9196 9317 9680 10108 10640 10648 10945 11144 11495 11552 11704 12320 12635 13310 13552 13930 14440 14630 15124 15323 15884 15920 16093 16720 16940 17512 18392 18634 18905 19360 19855 20216 21280 21296 21890 22288 22990 23408 24079 25270 25289 26467 26620 27104 27797 27860 28880 29260 30248 30646 31768 31840 32186 33440 33880 35024 36784 37268 37810 39601 39710 40432 41591 42592 43681 43780 44576 45980 46585 46816 48158 50540 50578 52934 53240 55594 55720 57760 58520 60496 61292 63536 64372 67760 70048 71839 73568 74536 75620 76615 79202 79420 80465 80864 83182 87362 87560 91960 93170 96316 101080 101156 105868 106480 111188 111440 117040 120395 120992 122584 126445 127072 128744 132335 135520 138985 143678 149072 151240 153230 158404 158840 160930 166364 168553 174724 175120 177023 183920 186340 192632 198005 202160 202312 207955 211736 212960 218405 222376 222880 234080 240790 245168 252890 257488 264670 264869 277207 277970 287356 291137 298144 302480 305767 306460 316808 317680 321860 332728 337106 349448 350240 354046 359195 367840 372680 385264 396010 404320 404624 415910 423472 435611 436810 444752 457501 480491 481580 490336 502873 505780 514976 529340 529738 554414 555940 574712 582274 604960 611534 612920 633616 635360 643720 665456 674212 698896 708092 718390 745360 752419 770528 790229 792020 809248 831820 842765 846944 871222 873620 885115 889504 915002 960982 963160 1005746 1011560 1058680 1059476 1108828 1111880 1149424 1164548 1223068 1225840 1267232 1287440 1324345 1330912 1348424 1386035 1397792 1416184 1436780 1455685 1490720 1504838 1528835 1580458 1584040 1663640 1685530 1742444 1747240 1770230 1830004 1854083 1921964 1926320 2011492 2023120 2117360 2118952 2178055 2217656 2223760 2287505 2298848 2329096 2402455 2446136 2451680 2514365 2574880 2648690 2696848 2772070 2832368 2873560 2911370 3009676 3049277 3057670 3160916 3168080 3202507 3327280 3363437 3371060 3484888 3494480 3540460 3660008 3708166 3762095 3843928 3852640 3951145 4022984 4046240 4234720 4237904 4356110 4435312 4447520 4575010 4658192 4791721 4804910 4892272 5028730 5032511 5266933 5297380 5393696 5531603 5544140 5664736 5747120 5822740 6019352 6098554 6115340 6321832 6336160 6405014 6654560 6726874 6742120 6969776 6988960 7080920 7320016 7416332 7524190 7687856 7902290 8045968 8276609 8475808 8692519 8712220 8870624 9150020 9270415 9316384 9583442 9609820 9784544 10057460 10065022 10533866 10594760 11063206 11088280 11494240 11645480 12038704 12197108 12230680 12643664 12810028 13453748 13484240 13939552 14161840 14295961 14640032 14832664 15048380 15246385 15375712 15804580 16012535 16091936 16553218 16817185 17385038 17424440 18300040 18540830 19166884 19219640 20114920 20130044 21067732 21189520 22126412 22176560 23290960 23958605 24077408 24394216 24461360 25162555 25287328 25620056 26334665 26907496 26968480 27658015 28323680 28591922 29665328 30096760 30492770 31609160 32025070 33106436 33542047 33634370 34770076 34848880 35227577 36600080 37081660 38333768 38439280 40229840 40260088 41383045 42135464 42379040 43462595 44252824 44353120 46581920 47917210 48788432 48922720 50325110 51240112 52669330 52708931 53814992 55316030 57183844 57936263 59330656 60193520 60847633 60985540 63218320 64050140 66212872 67084094 67268740 69540152 69697760 70455154 71479805 73200160 74163320 76667536 76878560 80459680 80520176 82766090 84270928 86925190 88505648 91042699 95617709 95834420 97576864 100071727 100650220 102480224 105338660 105417862 107629984 110632060 114367688 115872526 120387040 121695266 121971080 126436640 128100280 132425744 134168188 134537480 139080304 140910308 142959610 148326640 153335072 157255571 161040352 165532180 167710235 168541856 173850380 176137885 177011296 182085398 191235418 191668840 200143454 201300440 210677320 210835724 221264120 228735376 231745052 243390532 243942160 256200560 263544655 264851488 268336376 269074960 278160608 281820616 285919220 289681315 296653280 304238165 314511142 331064360 335420470 347700760 352275770 364170796 368962517 382470836 383337680 400286908 402600880 421354640 421671448 442528240 455213495 457470752 463490104 478088545 486781064 487884320 500358635 512401120 527089310 536672752 538149920 563641232 571838440 579362630 608476330 629022284 637298893 662128720 669323963 670840940 695401520 704551540 728341592 737925034 764941672 766675360 786277855 800573816 805201760 842709280 843342896 885056480 910426990 926980208 956177090 973562128 1000717270 1001469689 1054178620 1073345504 1100788997 1127282464 1143676880 1158725260 1216952660 1258044568 1274597786 1324257440 1338647926 1341681880 1390803040 1409103080 1456683184 1475850068 1529883344 1572555710 1601147632 1686685792 1729811281 1820853980 1844812585 1853960416 1912354180 1947124256 2001434540 2002939378 2108357240 2201577994 2287353760 2317450520 2433905320 2516089136 2549195572 2677295852 2683363760 2818206160 2913366368 2951700136 3059766688 3145111420 3186494465 3202295264 3346619815 3459622562 3641707960 3689625170 3824708360 4002869080 4005878756 4216714480 4403155988 4634901040 4867810640 5007348445 5032178272 5098391144 5354591704 5366727520 5503944985 5636412320 5903400272 6290222840 6372988930 6693239630 6919245124 7010287823 7283415920 7379250340 7649416720 8005738160 8011757512 8433428960 8649056405 8806311976 9269802080 9735621280 10014696890 10196782288 10709183408 11007889970 11806800544 12108678967 12580445680 12745977860 13386479260 13838490248 14020575646 14566831840 14758500680 15298833440 16011476320 16023515024 17298112810 17612623952 19027924091 20029393780 20393564576 21418366816 22015779940 24217357934 25160891360 25491955720 26772958520 27676980496 28041151292 29517001360 32047030048 34596225620 35051439115 35225247904 38055848182 40058787560 44031559880 48434715868 50983911440 53545917040 55353960992 56082302584 59034002720 60543394835 69192451240 70102878230 76111696364 80117575120 88063119760 95139620455 96869431736 101967822880 107091834080 112164605168 121086789670 133195468637 138384902480 140205756460 152223392728 160235150240 176126239520 190279240910 193738863472 224329210336 242173579340 266390937274 276769804960 280411512920 304446785456 380558481820 387477726944 484347158680 532781874548 560823025840 608893570912 665977343185 761116963640 968694317360 1065563749096 1121646051680 1331954686370 1522233927280 1937388634720 2131127498192 2663909372740 3044467854560 4262254996384 5327818745480 10655637490960 21311274981920
• Sum of all divisors σ(n): 67133891615616
• Sum of proper divisors (its aliquot sum) s(n): 45822616633696
• 21311274981920 is an abundant number, because the sum of its proper divisors (45822616633696) is greater than itself. Its abundance is 24511341651776

Bases of 21311274981920

• Binary: 100110110000111101010111110011001101000100000₂
• Hexadecimal: 0x1361EAF99A20
• Base-36: 7JY9IVSWW

Squares and roots of 21311274981920

• 21311274981920 squared (21311274981920²) is 454170441355009296326886400
• 21311274981920 cubed (21311274981920³) is 9678951164376574161880197886569893888000
• The square root of 21311274981920 is 4616413.6493516259
• The cube root of 21311274981920 is 27724.8886733547

Scales and comparisons

• 21,311,274,981,920 seconds is equal to 677,632 years, 32 weeks, 3 days, 6 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,311,274,981,920 would take you about one million, six hundred ninety-four thousand and eighty-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 21311274981920 cubic inches would be around 2310.4 feet tall.

Recreational maths with 21311274981920

• 21311274981920 backwards is 02918947211312
• The number of decimal digits it has is: 14
• The sum of 21311274981920's digits is 50
• More coming soon!