18278054916940

Names of 18278054916940

• Cardinal: 18278054916940 can be written as Eighteen trillion, two hundred seventy-eight billion, fifty-four million, nine hundred sixteen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.827805491694 × 10¹³

Factors of 18278054916940

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1368

Divisors of 18278054916940

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 31 35 43 52 61 62 65 70 86 91 113 122 124 130 140 155 172 182 215 217 226 244 260 301 305 310 364 403 427 430 434 452 455 559 565 602 610 620 791 793 806 854 860 868 910 1085 1093 1118 1130 1204 1220 1333 1469 1505 1582 1586 1612 1708 1820 1891 2015 2135 2170 2186 2236 2260 2623 2666 2795 2821 2938 3010 3164 3172 3503 3782 3913 3955 3965 4030 4270 4340 4372 4859 5246 5332 5465 5551 5590 5642 5876 6020 6665 6893 7006 7345 7564 7651 7826 7910 7930 8060 8540 9331 9455 9718 10283 10492 10930 11102 11180 11284 13115 13237 13330 13786 14012 14105 14209 14690 15302 15652 15820 15860 17329 17515 18361 18662 18910 19436 19565 20566 21860 22204 24295 24521 24583 26230 26474 26660 27572 27755 28210 28418 29380 30604 33883 34013 34099 34465 34658 35030 36722 37324 37820 38255 39130 41132 45539 46655 46999 48251 48590 49042 49166 51415 52460 52948 55510 56420 56836 63167 66185 66673 67766 68026 68198 68930 69316 70060 71045 73444 76510 78260 81313 86645 89609 91078 91805 93310 93998 96502 97180 98084 98332 99463 102830 111020 121303 122605 122915 123509 126334 132370 133346 135532 136052 136396 137860 142090 150629 153020 162626 169415 170065 170495 172081 173290 179218 182156 183610 186620 187996 193004 198926 205660 213683 227695 234995 237181 238693 241255 242606 245210 245830 247018 252668 264740 266692 284180 296399 301258 315835 318773 325252 328993 333365 338830 340130 340990 344162 346580 358436 367220 397852 406565 427366 440479 442169 448045 455390 466711 469990 474362 477386 482510 485212 490420 491660 494036 497315 569191 592798 602516 606515 610987 617545 627263 631670 637546 657986 666730 677660 680260 681980 688324 753145 813130 854732 860405 864563 866749 880958 884338 896090 910780 933422 939980 948724 954772 965020 994630 1054403 1057069 1068415 1138382 1185596 1185905 1193465 1213030 1221974 1235090 1254526 1263340 1275092 1315972 1333460 1456969 1481995 1495781 1506290 1593865 1605617 1626260 1644965 1720810 1729126 1733498 1761916 1768676 1792180 1866844 1958177 1989260 2066863 2074793 2108806 2114138 2136830 2202395 2210845 2276764 2333555 2371810 2386930 2426060 2443948 2470180 2509052 2777879 2845955 2866939 2913938 2963990 2991562 3012580 3054935 3083353 3136315 3187730 3211234 3289930 3441620 3458252 3466996 3828779 3853187 3916354 4133726 4149586 4217612 4228276 4273660 4276909 4322815 4333745 4404790 4421690 4667110 4743620 4773860 5272015 5285345 5310887 5555758 5691910 5733878 5827876 5927980 5983124 6067243 6109870 6166706 6272630 6375460 6422468 6579860 7284845 7399483 7478905 7534049 7657558 7706374 7832708 8028085 8267452 8299172 8553818 8645630 8667490 8809580 8843380 9188369 9334220 9790885 10198783 10334315 10373965 10544030 10570690 10621774 11111516 11239319 11383820 11467756 12134486 12219740 12333412 12545260 13707239 13889395 14334695 14468041 14569690 14798966 14957810 15068098 15315116 15412748 15416765 16056170 17107636 17291260 17334980 18376738 18940597 19143895 19265935 19445153 19581770 20068573 20397566 20668630 20747930 21088060 21141380 21243548 21384545 22478638 24268972 26554435 26801453 26869219 26972309 27414478 27778790 28669390 28936082 29139380 29597932 29915620 30136196 30336215 30833530 32112340 36753476 36997415 37176209 37270207 37670245 37881194 38287790 38531870 38890306 39163540 40137146 40795132 41337260 41495860 42769090 44957276 45941845 49774127 50993915 52738343 53108870 53602906 53738438 53944618 54828956 55557580 56196595 57338780 57872164 60672430 61667060 64318583 68536195 69041531 72340205 73994830 74352418 74540414 75340490 75762388 76575580 77063740 77780612 80274292 85538180 88875109 91883690 94702985 97225765 97942637 99548254 100342865 101987830 105476686 106217740 107205812 107476876 107889236 112393190 119448797 121344860 128637166 132584179 134007265 134346095 134861545 137072390 138083062 144680410 147989660 148704836 149080828 150680980 164637497 177750218 183767380 185881045 186351035 188084533 189405970 194451530 195885274 199096508 200685730 203975660 210953372 224786380 233555519 238897594 248870635 257274332 260891449 263691715 265168358 268014530 268692190 269723090 274144780 276166124 289360820 321592915 323964107 329274994 345207655 348418889 355500436 371762090 372702070 376169066 378811940 388903060 391770548 401371460 444375545 467111038 477795188 483290717 489713185 497741270 521782898 527383430 530336716 536029060 537384380 539446180 597243985 622125763 643185830 647928214 658549988 662920895 685598459 690415310 696837778 743524180 745404140 752338132 823187485 836141579 888751090 934222076 940422665 966581434 979426370 995482540 1043565796 1054766860 1152462479 1155376417 1167777595 1194487970 1244251526 1286371660 1295856428 1304457245 1325841790 1371196918 1380830620 1393675556 1619820535 1634888633 1646374970 1672283158 1742094445 1777502180 1880845330 1933162868 1958852740 2140287461 2267748749 2304924958 2310752834 2335555190 2388975940 2416453585 2488503052 2608914490 2651683580 2742393836 3036221747 3110628815 3239641070 3269777266 3292749940 3344566316 3427992295 3484188890 3761690660 4180707895 4211533391 4280574922 4535497498 4609849916 4621505668 4671110380 4832907170 5217828980 5762312395 5776882085 6072443494 6221257630 6479282140 6539554532 6855984590 6968377780 8087634919 8174443165 8361415790 8423066782 8561149844 9070994996 9665814340 10042887317 10701437305 11338743745 11524624790 11553764170 12144886988 12442515260 13711969180 14982012227 15181108735 16175269838 16348886330 16722831580 16846133564 20085774634 21057666955 21253552229 21402874610 22677487490 23049249580 23107528340 29480733737 29964024454 30362217470 32350539676 32697772660 40171549268 40438174595 42115333910 42507104458 42805749220 45354974980 50214436585 58961467474 59928048908 60724434940 70300211219 74910061135 80876349190 84230667820 85014208916 100428873170 106267761145 117922934948 130557535121 140600422438 147403668685 149820122270 161752698380 200857746340 212535522290 261115070242 281200844876 294807337370 299640244540 351501056095 425071044580 522230140484 589614674740 652787675605 703002112190 913902745847 1305575351210 1406004224380 1827805491694 2611150702420 3655610983388 4569513729235 9139027458470 18278054916940
• Sum of all divisors σ(n): 51213426130944
• Sum of proper divisors (its aliquot sum) s(n): 32935371214004
• 18278054916940 is an abundant number, because the sum of its proper divisors (32935371214004) is greater than itself. Its abundance is 14657316297064

Bases of 18278054916940

• Binary: 100001001111110110000111110000111001101001100₂
• Hexadecimal: 0x109FB0F8734C
• Base-36: 6H8TLYZWS

Squares and roots of 18278054916940

• 18278054916940 squared (18278054916940²) is 334087291546674510298963600
• 18278054916940 cubed (18278054916940³) is 6106465861941861330475738298366083384000
• The square root of 18278054916940 is 4275284.1913655283
• The cube root of 18278054916940 is 26341.6712858067

Scales and comparisons

• 18,278,054,916,940 seconds is equal to 581,185 years, 31 weeks, 4 days, 12 hours, 55 minutes, 40 seconds.
• To count from 1 to 18,278,054,916,940 would take you about one million, four hundred fifty-two thousand, nine hundred sixty-four 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 18278054916940 cubic inches would be around 2195.1 feet tall.

Recreational maths with 18278054916940

• 18278054916940 backwards is 04961945087281
• The number of decimal digits it has is: 14
• The sum of 18278054916940's digits is 64
• More coming soon!