18385078878208

Names of 18385078878208

• Cardinal: 18385078878208 can be written as Eighteen trillion, three hundred eighty-five billion, seventy-eight million, eight hundred seventy-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.8385078878208 × 10¹³

Factors of 18385078878208

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 279

Divisors of 18385078878208

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 49 56 64 76 98 112 128 133 152 196 224 251 256 266 304 343 392 448 502 512 532 608 686 784 896 931 1004 1024 1064 1216 1372 1568 1757 1792 1862 2008 2048 2128 2401 2432 2744 3136 3514 3584 3724 4016 4096 4256 4769 4802 4864 5488 6272 6517 7028 7168 7448 8032 8192 8512 9538 9604 9728 10976 12299 12544 13034 14056 14336 14896 16064 16384 16807 17024 19076 19208 19456 21952 24598 25088 26068 28112 28672 29792 32128 32768 33383 33614 34048 38152 38416 38912 43904 45619 49196 50176 52136 56224 57344 59584 64256 66766 67228 68096 76304 76832 77824 86093 87808 91238 98392 100352 104272 112448 114688 117649 119168 128512 133532 134456 136192 152608 153664 155648 172186 175616 182476 196784 200704 208544 224896 229376 233681 235298 238336 257024 267064 268912 272384 305216 307328 311296 319333 344372 351232 364952 393568 401408 417088 449792 467362 470596 476672 514048 534128 537824 544768 602651 610432 614656 622592 638666 688744 702464 729904 787136 802816 834176 899584 934724 941192 953344 1028096 1068256 1075648 1089536 1205302 1220864 1229312 1277332 1377488 1404928 1459808 1574272 1605632 1635767 1668352 1799168 1869448 1882384 1906688 2056192 2136512 2151296 2179072 2235331 2410604 2441728 2458624 2554664 2754976 2809856 2919616 3148544 3271534 3336704 3598336 3738896 3764768 3813376 4112384 4218557 4273024 4302592 4358144 4470662 4821208 4883456 4917248 5109328 5509952 5619712 5839232 6297088 6543068 6673408 7196672 7477792 7529536 7626752 8224768 8437114 8546048 8605184 8941324 9642416 9766912 9834496 10218656 11019904 11239424 11450369 11678464 12594176 13086136 13346816 14393344 14955584 15059072 15253504 16874228 17092096 17210368 17882648 19284832 19533824 19668992 20437312 22039808 22900738 23356928 25188352 26172272 26693632 28786688 29529899 29911168 30118144 30507008 33748456 34184192 34420736 35765296 38569664 39067648 39337984 40874624 44079616 45801476 46713856 50376704 52344544 53387264 57573376 59059798 59822336 60236288 67496912 68368384 68841472 71530592 77139328 78135296 78675968 80152583 81749248 88159232 91602952 93427712 100753408 104689088 106774528 118119596 119644672 120472576 134993824 136736768 137682944 143061184 154278656 156270592 160305166 163498496 176318464 183205904 186855424 201506816 209378176 213549056 236239192 239289344 240945152 269987648 273473536 275365888 286122368 308557312 320610332 326996992 352636928 366411808 373710848 403013632 418756352 472478384 478578688 481890304 539975296 546947072 550731776 561068081 572244736 617114624 641220664 653993984 705273856 732823616 747421696 837512704 944956768 957157376 963780608 1079950592 1093894144 1122136162 1144489472 1234229248 1282441328 1307987968 1410547712 1465647232 1494843392 1675025408 1889913536 1914314752 1927561216 2159901184 2244272324 2288978944 2468458496 2564882656 2615975936 2821095424 2931294464 3350050816 3779827072 3828629504 3855122432 4319802368 4488544648 4577957888 4936916992 5129765312 5231951872 5862588928 6700101632 7559654144 7657259008 8639604736 8977089296 9155915776 9873833984 10259530624 10463903744 11725177856 13400203264 15119308288 17279209472 17954178592 18311831552 19747667968 20519061248 23450355712 26800406528 30238616576 34558418944 35908357184 36623663104 41038122496 46900711424 53600813056 60477233152 69116837888 71816714368 73247326208 82076244992 93801422848 120954466304 138233675776 143633428736 164152489984 187602845696 241908932608 287266857472 328304979968 375205691392 483817865216 574533714944 656609959936 967635730432 1149067429888 1313219919872 2298134859776 2626439839744 4596269719552 9192539439104 18385078878208
• Sum of all divisors σ(n): 45335492974800
• Sum of proper divisors (its aliquot sum) s(n): 26950414096592
• 18385078878208 is an abundant number, because the sum of its proper divisors (26950414096592) is greater than itself. Its abundance is 8565335218384

Bases of 18385078878208

• Binary: 100001011100010011100000110001000000000000000₂
• Hexadecimal: 0x10B89C188000
• Base-36: 6ILZL9WXS

Squares and roots of 18385078878208

• 18385078878208 squared (18385078878208²) is 338011125357929931697291264
• 18385078878208 cubed (18385078878208³) is 6214361201417394091126301733373358374912
• The square root of 18385078878208 is 4287782.5129322967
• The cube root of 18385078878208 is 26392.9842842765

Scales and comparisons

• 18,385,078,878,208 seconds is equal to 584,588 years, 33 weeks, 1 day, 19 hours, 3 minutes, 28 seconds.
• To count from 1 to 18,385,078,878,208 would take you about one million, four hundred sixty-one thousand, four hundred seventy-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 18385078878208 cubic inches would be around 2199.4 feet tall.

Recreational maths with 18385078878208

• 18385078878208 backwards is 80287887058381
• The number of decimal digits it has is: 14
• The sum of 18385078878208's digits is 73
• More coming soon!