218137839920

Names of 218137839920

• Cardinal: 218137839920 can be written as Two hundred eighteen billion, one hundred thirty-seven million, eight hundred thirty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.1813783992 × 10¹¹

Factors of 218137839920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 187

Divisors of 218137839920

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 4 5 7 8 10 11 13 14 16 20 22 26 28 29 35 40 41 44 52 55 56 58 65 70 77 79 80 82 88 91 104 110 112 116 130 140 143 145 154 158 164 176 182 203 205 208 220 232 260 280 286 287 290 308 316 319 328 364 377 385 395 406 410 440 451 455 464 520 533 553 560 572 574 580 616 632 638 656 715 728 754 770 790 812 820 841 869 880 902 910 1001 1015 1027 1040 1066 1106 1144 1148 1160 1189 1232 1264 1276 1430 1435 1456 1508 1540 1580 1595 1624 1640 1682 1738 1804 1820 1885 2002 2030 2054 2132 2212 2233 2255 2288 2291 2296 2320 2378 2552 2639 2665 2765 2860 2870 3016 3080 3157 3160 3190 3239 3248 3280 3364 3476 3608 3640 3731 3770 4004 4060 4108 4147 4205 4264 4345 4424 4466 4510 4582 4592 4756 5005 5104 5135 5278 5330 5530 5720 5740 5863 5887 5945 6032 6083 6160 6314 6320 6380 6478 6728 6952 7189 7216 7280 7462 7540 8008 8120 8216 8294 8323 8410 8528 8690 8848 8932 9020 9164 9251 9512 10010 10270 10556 10660 10933 11060 11165 11297 11440 11455 11480 11726 11774 11890 12166 12628 12760 12956 13079 13195 13456 13904 14378 14924 15080 15457 15785 16016 16037 16195 16240 16432 16588 16646 16820 17380 17864 18040 18328 18502 18655 19024 20020 20540 20735 21112 21320 21866 22120 22330 22594 22673 22910 22960 23452 23548 23780 24332 25201 25256 25520 25912 26158 26390 28756 29029 29315 29435 29783 29848 30160 30415 30914 31570 32074 32390 33176 33292 33640 34481 34760 35629 35728 35945 36080 36656 37004 37310 40040 41041 41080 41470 41615 42107 42224 42640 43732 44240 44660 45188 45346 45820 46255 46904 47096 47560 48664 50402 50512 51824 52316 52780 54665 56485 57512 58058 58630 58870 59566 59696 60830 61828 63140 64148 64757 64780 65395 66352 66439 66584 67280 68962 69520 71258 71890 74008 74620 76531 77285 79079 80080 80185 82082 82160 82940 83230 84214 87464 89320 90376 90692 91553 91640 92510 93808 93931 94192 95120 97328 100804 104632 105560 108199 109330 112970 113365 115024 116116 117260 117740 119132 120263 121660 123656 126005 126280 128296 129514 129560 130790 132878 133168 137924 142516 143780 145145 148016 148915 149240 153062 154570 158158 160370 164164 165880 166460 168428 170027 172405 174928 176407 178145 178640 180752 181384 183106 183280 185020 187862 201608 205205 208481 209264 210535 211120 216398 218660 225940 226730 232232 234520 235480 238264 240526 241367 243320 247312 249403 252010 252560 256592 259028 259120 261580 265756 275848 285032 287560 290290 294749 297830 298480 306124 309140 316316 320740 323785 327613 328328 331760 332195 332920 336856 340054 344810 352814 356290 362768 366212 370040 375724 379291 382655 395395 403216 410410 416962 421070 432796 437320 448253 451880 453460 457765 463177 464464 465073 469040 469655 470960 476528 481052 482734 486640 498806 504020 518056 523160 531512 540995 551696 570064 575120 580580 589498 595660 601315 612248 618280 632632 641480 647570 655226 656656 657517 664390 665840 673712 680108 689620 705628 712580 730829 732424 740080 751448 758582 765310 790790 820820 833924 841841 842140 850135 863707 865592 874640 882035 896506 903760 906920 915530 926354 930146 939310 962104 965468 997612 1008040 1033241 1036112 1042405 1046320 1063024 1081990 1161160 1178996 1190189 1191320 1202630 1206835 1221103 1224496 1236560 1247015 1265264 1282960 1295140 1310452 1315034 1328780 1360216 1379240 1411256 1425160 1461658 1464848 1473745 1502896 1517164 1530620 1581580 1638065 1641640 1667848 1683682 1684280 1700270 1727414 1731184 1764070 1793012 1813840 1831060 1852708 1860292 1878620 1896455 1924208 1930936 1995224 2016080 2066482 2084810 2163980 2241265 2293291 2315885 2322320 2325365 2357992 2380378 2382640 2405260 2413670 2442206 2494030 2590280 2620904 2630068 2655037 2657560 2720432 2723999 2758480 2822512 2850320 2923316 2947490 3034328 3061240 3137771 3163160 3242239 3276130 3283280 3287585 3335696 3367364 3368560 3400540 3454828 3528140 3586024 3654145 3662120 3705416 3720584 3757240 3792910 3861872 3990448 4132964 4169620 4209205 4318535 4327960 4482530 4586582 4631770 4650730 4715984 4760756 4810520 4827340 4884412 4930783 4988060 5115803 5166205 5180560 5241808 5260136 5310074 5315120 5447998 5846632 5894980 5950945 6045949 6068656 6105515 6122480 6275542 6326320 6484478 6552260 6575170 6734728 6801080 6909656 7056280 7172048 7232687 7308290 7324240 7410832 7441168 7514480 7585820 8265928 8339240 8418410 8547721 8637070 8655920 8965060 9173164 9263540 9301460 9500777 9521512 9621040 9654680 9768824 9861566 9976120 10231606 10332410 10520272 10620148 10895996 11466455 11693264 11789960 11901890 12091898 12211030 12551084 12968956 13104520 13150340 13275185 13432133 13469456 13602160 13619995 13819312 14112560 14465374 14616580 15171640 15688855 16211195 16531856 16678480 16836820 17095442 17274140 17930120 18346328 18527080 18602920 19001554 19043024 19067993 19309360 19537648 19723132 19952240 20463212 20664820 21240296 21791992 22932910 23579920 23803780 24183796 24422060 24653915 25102168 25579015 25937912 26209040 26300680 26550370 26864266 27239990 28930748 29233160 29963989 30229745 30343280 31377710 32422390 33673640 34190884 34515481 34548280 35411987 35860240 36163435 36692656 37054160 37205840 38003108 38135986 39446264 40926424 41329640 42480592 42738605 43583984 45865820 47503885 47607560 48367592 48844120 49307830 50204336 51158030 51875824 52601360 53100740 53728532 54479980 57861496 58466320 59927978 60459490 62755420 64844780 66505439 67160665 67347280 68381768 69030962 69096560 70823974 72326870 76006216 76271972 78892528 81852848 82659280 85477210 91731640 94024931 95007770 95215120 95339965 96735184 97688240 98615660 102316060 106201480 107457064 108959960 115722992 119855956 120918980 125510840 129689560 133010878 134321330 136763536 138061924 141647948 144653740 149819945 152012432 152543944 170954420 172577405 177059935 183463280 188049862 190015540 190679930 197231320 204632120 209747923 212402960 214914128 217919920 239711912 241837960 247883909 251021680 259379120 266021756 268642660 276123848 283295896 289307480 299639890 305087888 332527195 341908840 345154810 354119870 376099724 380031080 381359860 389531857 394462640 409264240 419495846 470124655 479423824 483675920 495767818 532043512 537285320 552247696 566591792 578614960 599279780 665054390 683817680 690309620 708239740 752199448 760062160 762719720 779063714 838991692 940249310 991535636 1048739615 1064087024 1074570640 1198559560 1239419545 1330108780 1380619240 1416479480 1504398896 1525439440 1558127428 1677983384 1880498620 1947659285 1983071272 2097479230 2397119120 2478839090 2660217560 2726722999 2761238480 2832958960 3116254856 3355966768 3760997240 3895318570 3966142544 4194958460 4957678180 5320435120 5453445998 6232509712 7521994480 7790637140 8389916920 9915356360 10906891996 13633614995 15581274280 16779833840 19830712720 21813783992 27267229990 31162548560 43627567984 54534459980 109068919960 218137839920
• Sum of all divisors σ(n): 731593175040
• Sum of proper divisors (its aliquot sum) s(n): 513455335120
• 218137839920 is an abundant number, because the sum of its proper divisors (513455335120) is greater than itself. Its abundance is 295317495200

Bases of 218137839920

• Binary: 11001011001010000001110100100100110000₂
• Hexadecimal: 0x32CA074930
• Base-36: 2S7LMYI8

Squares and roots of 218137839920

• 218137839920 squared (218137839920²) is 47584117204963545606400
• 218137839920 cubed (218137839920³) is 10379896541590855740924502527488000
• The square root of 218137839920 is 467052.2882076481
• The cube root of 218137839920 is 6019.7298650321

Scales and comparisons

• 218,137,839,920 seconds is equal to 6,936 years, 5 weeks, 4 days, 12 hours, 25 minutes, 20 seconds.
• To count from 1 to 218,137,839,920 would take you about thirteen thousand, eight 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 218137839920 cubic inches would be around 501.6 feet tall.

Recreational maths with 218137839920

• 218137839920 backwards is 029938731812
• The number of decimal digits it has is: 12
• The sum of 218137839920's digits is 53
• More coming soon!