18189437169440

Names of 18189437169440

• Cardinal: 18189437169440 can be written as Eighteen trillion, one hundred eighty-nine billion, four hundred thirty-seven million, one hundred sixty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.818943716944 × 10¹³

Factors of 18189437169440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 180

Divisors of 18189437169440

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 29 32 34 40 58 68 80 85 116 127 136 145 160 170 232 254 272 289 290 340 464 493 508 544 578 580 635 680 841 928 986 1016 1156 1160 1270 1360 1445 1682 1972 2032 2159 2312 2320 2465 2540 2720 2890 3364 3683 3944 4064 4205 4318 4624 4640 4930 5080 5780 6728 7366 7888 8381 8410 8636 9248 9860 10160 10795 11560 13456 14297 14732 15776 16129 16762 16820 17272 18415 19720 20320 21590 23120 24389 26912 28594 29464 32258 33524 33640 34544 36703 36830 39440 41905 43180 46240 48778 57188 58928 62611 64516 67048 67280 69088 71485 73406 73660 78880 80645 83810 86360 97556 106807 114376 117856 121945 125222 129032 134096 134560 142970 146812 147320 161290 167620 172720 183515 195112 213614 228752 243049 243890 250444 258064 268192 274193 285940 293624 294640 313055 322580 335240 345440 367030 390224 414613 427228 457504 467741 486098 487780 500888 516128 534035 548386 571880 587248 589280 626110 645160 670480 734060 780448 829226 854456 935482 972196 975560 1001776 1064387 1068070 1096772 1143760 1174496 1215245 1252220 1290320 1340960 1370965 1468120 1658452 1708912 1815719 1870964 1944392 1951120 2003552 2073065 2128774 2136140 2193544 2287520 2338705 2430490 2504440 2580640 2741930 2936240 3097403 3316904 3417824 3631438 3741928 3888784 3902240 4146130 4257548 4272280 4387088 4661281 4677410 4860980 5008880 5321935 5483860 5872480 6194806 6633808 7048421 7262876 7483856 7777568 7951597 8292260 8515096 8544560 8774176 9078595 9322562 9354820 9721960 10017760 10643870 10967720 12389612 13267616 13564489 14096842 14525752 14967712 15487015 15903194 16584520 17030192 17089120 18157190 18645124 18709640 19443920 21287740 21935440 23306405 24779224 27128978 28193684 29051504 30867223 30974030 31806388 33169040 34060384 35242105 36314380 37290248 37419280 38887840 39757985 42575480 43870880 46612810 49558448 52655851 54257956 56387368 58103008 61734446 61948060 63612776 66338080 67822445 70484210 72628760 74580496 74838560 79515970 85150960 93225620 99116896 105311702 108515912 112774736 123468892 123896120 127225552 135177149 135644890 140968420 145257520 149160992 154336115 159031940 170301920 186451240 210623404 217031824 225549472 230596313 246937784 247792240 254451104 263279255 270354298 271289780 281936840 290515040 308672230 318063880 372902480 393370181 421246808 434063648 461192626 493875568 495584480 526558510 540708596 542579560 563873680 617344460 636127760 675885745 745804960 786740362 842493616 895149467 922385252 987751136 1053117020 1081417192 1085159120 1127747360 1152981565 1234688920 1272255520 1351771490 1573480724 1684987232 1790298934 1844770504 1966850905 2106234040 2162834384 2170318240 2305963130 2469377840 2703542980 3146961448 3580597868 3689541008 3920137321 3933701810 4212468080 4325668768 4475747335 4611926260 4938755680 5407085960 6293922896 6687293077 7161195736 7379082016 7840274642 7867403620 8424936160 8951494670 9223852520 10814171920 12587845792 13374586154 14322391472 15680549284 15734807240 17902989340 18447705040 19600686605 21628343840 26749172308 28644782944 31361098568 31469614480 33436465385 35805978680 36895410080 39201373210 53498344616 62722197136 62939228960 66872930770 71611957360 78402746420 106996689232 113683982309 125444394272 133745861540 143223914720 156805492840 213993378464 227367964618 267491723080 313610985680 454735929236 534983446160 568419911545 627221971360 909471858472 1069966892320 1136839823090 1818943716944 2273679646180 3637887433888 4547359292360 9094718584720 18189437169440
• Sum of all divisors σ(n): 47654501103720
• Sum of proper divisors (its aliquot sum) s(n): 29465063934280
• 18189437169440 is an abundant number, because the sum of its proper divisors (29465063934280) is greater than itself. Its abundance is 11275626764840

Bases of 18189437169440

• Binary: 100001000101100001110111100001110111100100000₂
• Hexadecimal: 0x108B0EF0EF20
• Base-36: 6G44194BK

Squares and roots of 18189437169440

• 18189437169440 squared (18189437169440²) is 330855624541005439269913600
• 18189437169440 cubed (18189437169440³) is 6018077594744449376485381052537360384000
• The square root of 18189437169440 is 4264907.6390280717
• The cube root of 18189437169440 is 26299.0314039617

Scales and comparisons

• 18,189,437,169,440 seconds is equal to 578,367 years, 43 weeks, 4 days, 3 hours, 57 minutes, 20 seconds.
• To count from 1 to 18,189,437,169,440 would take you about one million, four hundred forty-five thousand, nine hundred nineteen 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 18189437169440 cubic inches would be around 2191.6 feet tall.

Recreational maths with 18189437169440

• 18189437169440 backwards is 04496173498181
• The number of decimal digits it has is: 14
• The sum of 18189437169440's digits is 65
• More coming soon!