18874389730402368

Names of 18874389730402368

• Cardinal: 18874389730402368 can be written as Eighteen quadrillion, eight hundred seventy-four trillion, three hundred eighty-nine billion, seven hundred thirty million, four hundred two thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8874389730402368 × 10¹⁶

Factors of 18874389730402368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 7632

Divisors of 18874389730402368

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 96 101 108 114 144 152 171 192 202 216 228 288 303 304 342 404 432 456 513 576 606 608 684 808 864 909 912 1026 1212 1216 1368 1616 1728 1818 1824 1919 2052 2424 2727 2736 3232 3636 3648 3838 4104 4848 5454 5472 5757 6464 7272 7507 7676 8208 9696 10201 10908 10944 11514 14544 15014 15352 16416 17271 19392 20402 21816 22521 23028 29088 30028 30603 30704 32832 34542 40804 43632 45042 46056 51813 58176 60056 61206 61408 67563 69084 81608 87264 90084 91809 92112 103626 120112 122412 122816 135126 138168 142633 163216 174528 180168 183618 184224 193819 202689 207252 240224 244824 270252 275427 276336 285266 326432 360336 367236 368448 387638 405378 414504 427899 480448 489648 540504 550854 552672 570532 581457 652864 720672 734472 758207 775276 810756 829008 855798 979296 1081008 1101708 1105344 1141064 1162914 1283697 1441344 1468944 1516414 1550552 1621512 1658016 1711596 1744371 1958592 2162016 2203416 2274621 2282128 2325828 2567394 2937888 3032828 3101104 3243024 3316032 3423192 3488742 3851091 4324032 4406832 4549242 4564256 4651656 5134788 5233113 5875776 6065656 6202208 6486048 6823863 6846384 6977484 7702182 8813664 9098484 9128512 9303312 10269576 10466226 12131312 12404416 12972096 13647726 13692768 13954968 14405933 15404364 17627328 18196968 18606624 20471589 20539152 20932452 24262624 27295452 27385536 27909936 28811866 30808728 36393936 37213248 40943178 41078304 41864904 43217799 48525248 54590904 55819872 56355049 57623732 61617456 72787872 76578907 81886356 82156608 83729808 86435598 109181808 111639744 112710098 115247464 123234912 129653397 145575744 153157814 163772712 167459616 169065147 172871196 218363616 225420196 229736721 230494928 246469824 259306794 306315628 327545424 334919232 338130294 345742392 388960191 436727232 450840392 459473442 460989856 507195441 518613588 612631256 655090848 676260588 689210163 691484784 777920382 901680784 918946884 921979712 1014390882 1037227176 1070745931 1225262512 1310181696 1352521176 1378420326 1382969568 1454999233 1521586323 1555840764 1803361568 1837893768 2028781764 2067630489 2074454352 2141491862 2450525024 2705042352 2756840652 2765939136 2909998466 3043172646 3111681528 3212237793 3606723136 3675787536 4057563528 4135260978 4148908704 4282983724 4364997699 4901050048 5410084704 5513681304 5691859949 5819996932 6086345292 6223363056 6424475586 7351575072 8115127056 8270521956 8297817408 8565967448 8729995398 9636713379 10820169408 11027362608 11383719898 11639993864 12172690584 12446726112 12848951172 13094993097 14703150144 16230254112 16541043912 17075579847 17131934896 17459990796 19273426758 22054725216 22767439796 23279987728 24345381168 24893452224 25697902344 26189986194 28910140137 32460508224 33082087824 34151159694 34263869792 34919981592 38546853516 39284979291 44109450432 45534879592 46559975456 48690762336 51226739541 51395804688 52379972388 57820280274 66164175648 68302319388 68527739584 69839963184 77093707032 78569958582 91069759184 93119950912 97381524672 102453479082 102791609376 104759944776 108145339031 115640560548 132328351296 136604638776 139679926368 153680218623 154187414064 157139917164 182139518368 204906958164 205583218752 209519889552 216290678062 231281121096 273209277552 279359852736 307360437246 308374828128 314279834328 324436017093 364279036736 409813916328 419039779104 432581356124 462562242192 546418555104 574877854849 614720874492 616749656256 628559668656 648872034186 819627832656 838079558208 865162712248 925124484384 973308051279 1092837110208 1149755709698 1229441748984 1257119337312 1297744068372 1639255665312 1724633564547 1730325424496 1850248968768 1946616102558 2299511419396 2458883497968 2514238674624 2595488136744 2919924153837 3278511330624 3449267129094 3460650848992 3893232205116 4599022838792 4917766995936 5173900693641 5190976273488 5839848307674 6898534258188 6921301697984 7786464410232 9198045677584 9835533991872 10347801387282 10381952546976 10922679242131 11679696615348 13797068516376 15521702080923 15572928820464 18396091355168 20695602774564 20763905093952 21845358484262 23359393230696 27594137032752 31043404161846 31145857640928 32768037726393 36792182710336 41391205549128 43690716968524 46718786461392 55188274065504 62086808323692 62291715281856 65536075452786 82782411098256 87381433937048 93437572922784 98304113179179 110376548131008 124173616647384 131072150905572 165564822196512 174762867874096 186875145845568 196608226358358 248347233294768 262144301811144 294912339537537 331129644393024 349525735748192 393216452716716 496694466589536 524288603622288 589824679075074 699051471496384 786432905433432 993388933179072 1048577207244576 1179649358150148 1572865810866864 2097154414489152 2359298716300296 3145731621733728 4718597432600592 6291463243467456 9437194865201184 18874389730402368
• Sum of all divisors σ(n): 58999467956733600
• Sum of proper divisors (its aliquot sum) s(n): 40125078226331232
• 18874389730402368 is an abundant number, because the sum of its proper divisors (40125078226331232) is greater than itself. Its abundance is 21250688495928864

Bases of 18874389730402368

• Binary: 1000011000011100010100001001111001110111010000001000000₂
• Hexadecimal: 0x430E284F3BA040
• Base-36: 55UEUXV6HC0

Squares and roots of 18874389730402368

• 18874389730402368 squared (18874389730402368²) is 356242587695118373793923180007424
• 18874389730402368 cubed (18874389730402368³) is 6723861438724707222996034194967778151448747180032
• The square root of 18874389730402368 is 137384095.6239199035
• The cube root of 18874389730402368 is 266250.8315303699

Scales and comparisons

• 18,874,389,730,402,368 seconds is equal to 600,147,211 years, 5 weeks, 3 days, 14 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,874,389,730,402,368 would take you about one billion, eight hundred million, four hundred forty-one thousand, six hundred thirty-three 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 18874389730402368 cubic inches would be around 22187.6 feet tall.

Recreational maths with 18874389730402368

• 18874389730402368 backwards is 86320403798347881
• The number of decimal digits it has is: 17
• The sum of 18874389730402368's digits is 81
• More coming soon!