18999047437440

Names of 18999047437440

• Cardinal: 18999047437440 can be written as Eighteen trillion, nine hundred ninety-nine billion, forty-seven million, four hundred thirty-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.899904743744 × 10¹³

Factors of 18999047437440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 141120

Divisors of 18999047437440

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 79 80 84 96 105 112 120 127 128 140 158 160 168 192 210 224 237 240 254 280 316 320 336 381 384 395 420 448 474 480 508 553 560 632 635 640 672 762 790 840 889 896 948 960 1016 1106 1120 1185 1264 1270 1344 1524 1580 1659 1680 1778 1896 1905 1920 2032 2212 2240 2370 2528 2540 2667 2688 2765 3048 3160 3318 3360 3556 3792 3810 4064 4424 4445 4480 4740 5056 5080 5334 5530 6096 6320 6636 6720 7112 7584 7620 8128 8295 8848 8890 9480 10033 10112 10160 10668 11060 12192 12640 13272 13335 13440 14224 15168 15240 16256 16590 17696 17780 18960 20066 20320 21336 22120 24384 25280 26544 26670 28448 30099 30336 30480 33180 35392 35560 37920 40132 40640 42672 44240 48768 50165 50560 53088 53340 56896 60198 60960 66360 70231 70784 71120 75840 80264 81280 85344 88480 100330 106176 106680 113792 120396 121920 132720 140462 140897 142240 150495 151680 160528 170688 176960 200660 210693 212352 213360 240792 243840 265440 280924 281794 284480 300990 321056 341376 351155 353920 401320 421386 422691 426720 481584 530880 561848 563588 568960 601980 642112 702310 704485 802640 842772 845382 853440 963168 986279 1053465 1061760 1123696 1127176 1203960 1284224 1404620 1408970 1605280 1685544 1690764 1706880 1926336 1972558 2106930 2113455 2247392 2254352 2407920 2809240 2817940 2958837 3210560 3371088 3381528 3852672 3945116 4213860 4226910 4494784 4508704 4815840 4931395 5618480 5635880 5917674 6421120 6742176 6763056 7890232 8427720 8453820 8989568 9017408 9631680 9862790 11130863 11236960 11271760 11835348 13484352 13526112 14794185 15780464 16855440 16907640 17893919 18034816 19263360 19725580 22261726 22473920 22543520 23670696 26968704 27052224 29588370 31560928 33392589 33710880 33815280 35787838 39451160 44523452 44947840 45087040 47341392 53681757 54104448 55654315 59176740 63121856 66785178 67421760 67630560 71575676 77916041 78902320 89046904 89469595 90174080 94682784 107363514 111308630 118353480 125257433 126243712 133570356 134843520 135261120 143151352 155832082 157804640 166962945 178093808 178939190 189365568 214727028 222617260 233748123 236706960 250514866 267140712 268408785 270522240 286302704 311664164 315609280 333925890 356187616 357878380 375772299 378731136 389580205 429454056 445234520 467496246 473413920 501029732 534281424 536817570 572605408 623328328 626287165 631218560 667851780 712375232 715756760 751544598 779160410 858908112 890469040 934992492 946827840 1002059464 1068562848 1073635140 1145210816 1168740615 1246656656 1252574330 1335703560 1413619601 1424750464 1431513520 1503089196 1558320820 1717816224 1780938080 1869984984 1878861495 1893655680 2004118928 2137125696 2147270280 2290421632 2337481230 2493313312 2505148660 2671407120 2827239202 2863027040 3006178392 3116641640 3435632448 3561876160 3739969968 3757722990 4008237856 4240858803 4274251392 4294540560 4674962460 4986626624 5010297320 5342814240 5654478404 5726054080 6012356784 6233283280 6871264896 7068098005 7123752320 7479939936 7515445980 8016475712 8481717606 8589081120 9349924920 9895337207 9973253248 10020594640 10685628480 11308956808 11452108160 12024713568 12466566560 14136196010 14959879872 15030891960 16032951424 16963435212 17178162240 18699849840 19790674414 20041189280 21204294015 21371256960 22617913616 24049427136 24933133120 28272392020 29686011621 29919759744 30061783920 33926870424 34356324480 37399699680 39581348828 40082378560 42408588030 45235827232 48098854272 49476686035 49866266240 56544784040 59372023242 60123567840 67853740848 74799399360 79162697656 80164757120 84817176060 90471654464 98953372070 113089568080 118744046484 120247135680 135707481696 148430058105 149598798720 158325395312 169634352120 180943308928 197906744140 226179136160 237488092968 240494271360 271414963392 296860116210 316650790624 339268704240 395813488280 452358272320 474976185936 542829926784 593720232420 633301581248 678537408480 791626976560 904716544640 949952371872 1187440464840 1266603162496 1357074816960 1583253953120 1899904743744 2374880929680 2714149633920 3166507906240 3799809487488 4749761859360 6333015812480 9499523718720 18999047437440
• Sum of all divisors σ(n): 70639268659200
• Sum of proper divisors (its aliquot sum) s(n): 51640221221760
• 18999047437440 is an abundant number, because the sum of its proper divisors (51640221221760) is greater than itself. Its abundance is 32641173784320

Bases of 18999047437440

• Binary: 100010100011110001111011110010011110010000000₂
• Hexadecimal: 0x11478F793C80
• Base-36: 6QG1IAX6O

Squares and roots of 18999047437440

• 18999047437440 squared (18999047437440²) is 360963803530095430713753600
• 18999047437440 cubed (18999047437440³) is 6857968426467055218820793404243574784000
• The square root of 18999047437440 is 4358789.6757517447
• The cube root of 18999047437440 is 26683.5705465203

Scales and comparisons

• 18,999,047,437,440 seconds is equal to 604,110 years, 48 weeks, 6 days, 9 hours, 4 minutes.
• To count from 1 to 18,999,047,437,440 would take you about one million, five hundred ten thousand, two hundred seventy-seven 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 18999047437440 cubic inches would be around 2223.6 feet tall.

Recreational maths with 18999047437440

• 18999047437440 backwards is 04473474099981
• The number of decimal digits it has is: 14
• The sum of 18999047437440's digits is 69
• More coming soon!