16381215998420

Names of 16381215998420

• Cardinal: 16381215998420 can be written as Sixteen trillion, three hundred eighty-one billion, two hundred fifteen million, nine hundred ninety-eight thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.638121599842 × 10¹³

Factors of 16381215998420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2123

Divisors of 16381215998420

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 23 26 28 35 41 46 49 52 53 65 70 82 91 92 98 106 115 130 140 161 164 169 182 196 205 212 230 245 260 265 287 299 322 338 364 371 410 455 460 490 530 533 574 598 637 644 676 689 742 805 820 845 910 943 980 1060 1066 1127 1148 1183 1196 1219 1274 1378 1435 1484 1495 1610 1690 1820 1855 1886 1979 2009 2093 2132 2173 2254 2366 2438 2548 2597 2665 2756 2870 2990 3185 3220 3380 3445 3710 3731 3772 3887 3958 4018 4186 4346 4508 4715 4732 4823 4876 5194 5330 5635 5740 5915 5980 6095 6370 6601 6890 6929 7420 7462 7774 7916 8036 8281 8372 8533 8692 8957 9430 9646 9895 10045 10388 10465 10660 10865 11270 11830 12190 12259 12740 12985 13202 13780 13853 13858 14651 14924 15211 15548 15847 16562 17066 17914 18655 18860 19292 19435 19790 20090 20930 21730 22540 23660 24115 24380 24518 25727 25970 26117 26404 27209 27706 27716 28249 29302 30422 31694 33005 33124 33761 34132 34645 35828 37310 38870 39580 40180 41405 41860 42665 43460 44785 45517 46207 48230 48503 49036 49979 51454 51940 52234 54418 55412 56498 58604 59731 60844 61295 62699 63388 66010 67522 69265 69290 73255 74620 76055 77740 79235 81139 82810 85330 85813 89570 91034 92414 96460 96971 97006 99958 102908 104468 104887 106477 108836 110929 112996 119462 122590 125398 128635 130585 132020 135044 136045 138530 138580 141245 146510 152110 158470 159367 162278 165620 168805 170660 171626 179140 180089 182068 184828 190463 193942 194012 197743 199916 206011 209774 212954 221858 227585 231035 238924 242515 245180 249895 250796 257270 261170 272090 277060 282490 293020 298655 304220 313495 316940 318619 318734 324556 334451 337610 339521 343252 349853 360178 367237 380926 387884 395486 405695 412022 419548 425908 429065 438893 443716 455170 462070 484855 485030 499790 514540 522340 524435 532385 544180 554645 564980 567973 591721 597310 600691 626990 637238 637468 649727 668902 675220 679042 699706 720356 734209 734474 761852 776503 790972 796835 811390 824044 858130 877786 900445 910340 924140 952315 969710 970060 988715 999580 1030055 1048870 1054807 1064770 1109290 1115569 1135946 1183442 1194620 1201382 1253980 1260623 1274476 1299454 1337804 1358084 1363531 1384201 1399412 1442077 1468418 1468948 1553006 1593095 1593670 1622780 1672255 1697605 1716260 1749265 1755572 1800890 1836185 1866197 1904630 1939420 1977430 2060110 2097740 2109614 2129540 2194465 2218580 2230333 2231138 2271892 2341157 2366884 2402764 2412401 2448971 2521246 2570659 2598908 2727062 2768402 2839865 2884154 2936836 2958605 3003455 3106012 3186190 3187340 3248635 3344510 3395210 3498530 3601780 3671045 3672370 3732394 3809260 3882515 3954860 3975811 4120220 4142047 4219228 4300367 4388930 4460666 4462276 4548089 4682314 4824802 4897942 5042492 5139463 5141318 5274035 5454124 5536804 5577845 5679730 5768308 5917210 6006910 6303115 6372380 6497270 6689020 6790420 6817655 6921005 6997060 7210385 7342090 7344740 7383649 7464788 7692373 7765030 7808983 7951622 8284094 8446451 8600734 8777860 8921332 9096178 9330985 9364628 9544717 9649604 9795884 10094539 10278926 10282636 10548070 11151665 11155690 11359460 11705785 11834420 12013820 12062005 12244855 12606230 12853295 12994540 13063379 13635310 13712491 13842010 14420770 14684180 14767298 15384746 15530060 15617966 15903244 16388099 16568188 16886807 16892902 17201468 17725903 17994613 18192356 18661970 19089434 19879055 20189078 20557852 20710235 21096140 21501835 22303330 22311380 22740445 23411570 24124010 24260561 24489710 25212460 25697315 25706590 26126758 27270620 27424982 27684020 28841540 28994329 29534596 30102569 30769492 31235932 31361213 31836623 32776198 33773614 33785804 35451806 35989226 36918245 37323940 38178868 38461865 39044915 39758110 40378156 41420470 42232255 43003670 44606660 45480890 46823140 47723585 48248020 48521122 48979420 50472695 51394630 51413180 51685543 52253516 53846611 54849964 55904771 57988658 59125157 60205138 62722426 63673246 65316895 65552396 66813019 67547228 68562455 70903612 71978452 73836490 76923730 78089830 79516220 81940495 82840940 84434035 84464510 86007340 88629515 89973065 90961780 91443653 95447170 95987437 97042244 98908441 100945390 102789260 103371086 107693222 111809542 115977316 118207649 118250314 120410276 121302805 124081321 125444852 127346492 130633790 133626038 137124910 144971645 147672980 150512845 153847460 156179660 156806065 159183115 163880990 168868070 168929020 169823927 177259030 179946130 182887306 190894340 191974874 197816882 201890780 206742172 210717983 215386444 219528491 223619084 236415298 236500628 242605610 248162642 258427715 261267580 267252076 269233055 274249820 279523855 289943290 295625785 301025690 313612130 315387293 318366230 327761980 334065095 337736140 339647854 354518060 359892260 365774612 376926277 383949748 391333397 395633764 407695769 413876099 421435966 439056982 457218265 472830596 479937185 485211220 494542205 496325284 516855430 538466110 559047710 579886580 591038245 591251570 602051380 620406605 627224260 630774586 636732460 668130190 671912059 679295708 692359087 726762023 753852554 782666794 815391538 827752198 842871932 849119635 868569247 878113964 914436530 959874370 989084410 1033710860 1053589915 1076932220 1097642455 1118095420 1182076490 1182503140 1188767489 1240813210 1261549172 1285809733 1336260380 1343824118 1384718174 1453524046 1507705108 1536699437 1565333588 1576936465 1630783076 1655504396 1698239270 1737138494 1828873060 1884631385 1919748740 1956666985 1978168820 2038478845 2069380495 2107179830 2195284910 2207711051 2364152980 2377534978 2481626420 2571619466 2687648236 2739333779 2769436348 2853870383 2907048092 3073398874 3153872930 3359560295 3396478540 3461795435 3474276988 3633810115 3769262770 3913333970 4076957690 4138760990 4214359660 4342846235 4390569820 4415422102 4755069956 4846513609 5087334161 5143238932 5478667558 5707740766 5943837445 6146797748 6307745860 6429048665 6719120590 6923590870 7267620230 7538525540 7683497185 7826667940 8153915380 8277521980 8685692470 8830844204 9000668131 9693027218 10174668322 10957335116 11038555255 11415481532 11887674890 12858097330 13438241180 13696668895 13847181740 14269351915 14535240460 15366994370 15453977357 16715526529 17371384940 18001336262 19386054436 19977092681 20349336644 22077110510 23775349780 24232568045 25436670805 25716194660 27393337790 28538703830 30733988740 30907954714 33431053058 35611339127 36002672524 39954185362 44154221020 45003340655 48465136090 50873341610 54786675580 57077407660 61815909428 63004676917 66862106116 71222678254 77269886785 79908370724 83577632645 90006681310 96930272180 99885463405 101746683220 117008685703 126009353834 142445356508 154539773570 167155265290 178056695635 180013362620 199770926810 234017371406 252018707668 309079547140 315023384585 334310530580 356113391270 399541853620 468034742812 585043428515 630046769170 712226782540 819060799921 1170086857030 1260093538340 1638121599842 2340173714060 3276243199684 4095303999605 8190607999210 16381215998420
• Sum of all divisors σ(n): 47216600766720
• Sum of proper divisors (its aliquot sum) s(n): 30835384768300
• 16381215998420 is an abundant number, because the sum of its proper divisors (30835384768300) is greater than itself. Its abundance is 14454168769880

Bases of 16381215998420

• Binary: 11101110011000001100100011111000000111010100₂
• Hexadecimal: 0xEE60C8F81D4
• Base-36: 5T1FD1Z9W

Squares and roots of 16381215998420

• 16381215998420 squared (16381215998420²) is 268344237586891357442496400
• 16381215998420 cubed (16381215998420³) is 4395804917842202199411452762863255688000
• The square root of 16381215998420 is 4047371.4925146171
• The cube root of 16381215998420 is 25396.9781669815

Scales and comparisons

• 16,381,215,998,420 seconds is equal to 520,871 years, 51 weeks, 6 days, 9 hours, 20 minutes, 20 seconds.
• To count from 1 to 16,381,215,998,420 would take you about one million, three hundred two thousand, one hundred seventy-nine 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 16381215998420 cubic inches would be around 2116.4 feet tall.

Recreational maths with 16381215998420

• 16381215998420 backwards is 02489951218361
• The number of decimal digits it has is: 14
• The sum of 16381215998420's digits is 59
• More coming soon!