18491312146944

Names of 18491312146944

• Cardinal: 18491312146944 can be written as Eighteen trillion, four hundred ninety-one billion, three hundred twelve million, one hundred forty-six thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 1.8491312146944 × 10¹³

Factors of 18491312146944

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 70076

Divisors of 18491312146944

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 31 32 39 42 48 52 56 61 62 64 78 84 91 93 96 104 112 122 124 128 156 168 182 183 186 192 208 217 224 244 248 256 273 312 336 364 366 372 384 403 416 427 434 448 488 496 512 546 624 651 672 728 732 744 768 793 806 832 854 868 896 976 992 1092 1209 1248 1281 1302 1344 1456 1464 1488 1536 1586 1612 1664 1708 1736 1792 1891 1952 1984 2184 2379 2418 2496 2562 2604 2688 2821 2912 2928 2976 3172 3224 3328 3416 3472 3584 3782 3904 3968 4368 4758 4836 4992 5124 5208 5376 5551 5642 5673 5824 5856 5952 6344 6448 6656 6832 6944 7564 7808 7936 8463 8736 9516 9672 9984 10248 10416 10752 11102 11284 11346 11648 11712 11904 12688 12896 13237 13664 13888 15128 15616 15872 16653 16926 17472 19032 19344 19968 20496 20832 22204 22568 22692 23296 23424 23808 24583 25376 25792 26474 27328 27776 30256 31232 33306 33852 34944 38064 38688 39711 40992 41664 44408 45136 45384 46592 46848 47616 49166 50752 51584 52948 54656 55552 60512 66612 67704 69888 69959 73749 76128 77376 79422 81984 83328 88816 90272 90768 93696 98332 101504 103168 105896 109312 111104 121024 133224 135408 139776 139918 147498 152256 154752 158844 163968 166656 172081 177632 180544 181536 196664 203008 206336 209877 211792 218624 242048 266448 270816 279836 294996 304512 309504 317688 327936 333312 344162 355264 361088 363072 393328 406016 419754 423584 484096 489713 516243 532896 541632 559672 589992 609024 619008 635376 655872 688324 710528 722176 726144 786656 839508 847168 909467 968192 979426 1032486 1065792 1083264 1119344 1179984 1218048 1270752 1376648 1421056 1444352 1452288 1469139 1573312 1679016 1694336 1818934 1958852 2064972 2131584 2166528 2168729 2238688 2359968 2541504 2728401 2753296 2842112 2904576 2938278 3146624 3358032 3388672 3637868 3917704 4129944 4263168 4267499 4333056 4337458 4477376 4719936 5083008 5456802 5506592 5876556 6293248 6366269 6506187 6716064 6777344 7275736 7835408 8259888 8526336 8534998 8674916 8954752 9439872 10166016 10913604 11013184 11753112 12586496 12732538 12802497 13012374 13432128 14551472 15181103 15670816 16519776 17069996 17349832 17909504 18879744 19098807 20332032 21827208 22026368 23506224 25465076 25604994 26024748 26864256 28193477 29102944 29872493 30362206 31341632 33039552 34139992 34699664 35819008 37759488 38197614 43654416 44052736 45543309 47012448 50930152 51209988 52049496 53728512 55477487 56386954 58205888 59744986 60724412 62683264 66079104 68279984 69399328 76395228 84580431 87308832 88105472 89617479 91086618 94024896 101860304 102419976 104098992 107457024 110954974 112773908 116411776 119489972 121448824 125366528 132158208 132292469 136559968 138798656 152790456 166432461 169160862 174617664 179234958 182173236 188049792 197354339 203720608 204839952 208197984 221909948 225547816 232823552 238979944 242897648 250733056 264316416 264584938 273119936 277597312 305580912 332864922 338321724 349235328 358469916 364346472 376099584 388342409 394708678 396877407 407441216 409679904 416395968 443819896 451095632 465647104 477959888 485795296 529169876 546239872 555194624 592063017 611161824 665729844 676643448 698470656 716939832 728692944 752199168 776684818 789417356 793754814 814882432 819359808 832791936 887639792 902191264 926047283 955919776 971590592 1058339752 1092479744 1110389248 1165027227 1184126034 1222323648 1331459688 1353286896 1396941312 1433879664 1457385888 1553369636 1578834712 1587509628 1629764864 1638719616 1665583872 1719802097 1775279584 1804382528 1852094566 1911839552 1943181184 2116679504 2184959488 2330054454 2368252068 2444647296 2662919376 2706573792 2778141849 2867759328 2914771776 3106739272 3157669424 3175019256 3259529728 3277439232 3331167744 3439604194 3550559168 3608765056 3704189132 3823679104 3886362368 4233359008 4660108908 4736504136 4889294592 5159406291 5325838752 5413147584 5556283698 5735518656 5829543552 6213478544 6315338848 6350038512 6554878464 6879208388 7101118336 7217530112 7408378264 7647358208 7772724736 8466718016 9320217816 9473008272 9778589184 10318812582 10651677504 10826295168 11112567396 11471037312 11659087104 12038614679 12426957088 12630677696 12700077024 13758416776 14202236672 14435060224 14816756528 15294716416 16933436032 18640435632 18946016544 20637625164 21303355008 21652590336 22225134792 22942074624 23318174208 24077229358 24853914176 25261355392 25400154048 27516833552 28404473344 29633513056 33866872064 36115844037 37280871264 37892033088 41275250328 42606710016 43305180672 44450269584 45884149248 48154458716 49707828352 50522710784 50800308096 55033667104 59267026112 67733744128 72231688074 74561742528 75784066176 82550500656 85213420032 88900539168 96308917432 99415656704 101045421568 101600616192 110067334208 118534052224 144463376148 149123485056 151568132352 165101001312 177801078336 192617834864 198831313408 203201232384 220134668416 237068104448 288926752296 298246970112 303136264704 330202002624 355602156672 385235669728 440269336832 474136208896 577853504592 596493940224 660404005248 711204313344 770471339456 880538673664 1155707009184 1320808010496 1422408626688 1540942678912 2311414018368 2641616020992 3081885357824 4622828036736 6163770715648 9245656073472 18491312146944
• Sum of all divisors σ(n): 63612888514560
• Sum of proper divisors (its aliquot sum) s(n): 45121576367616
• 18491312146944 is an abundant number, because the sum of its proper divisors (45121576367616) is greater than itself. Its abundance is 26630264220672

Bases of 18491312146944

• Binary: 100001101000101011000000101111000101000000000₂
• Hexadecimal: 0x10D158178A00
• Base-36: 6JYSHTJPC

Squares and roots of 18491312146944

• 18491312146944 squared (18491312146944²) is 341928624915718722648539136
• 18491312146944 cubed (18491312146944³) is 6322708935291888464350975488853366800384
• The square root of 18491312146944 is 4300152.5725192589
• The cube root of 18491312146944 is 26443.7216225745

Scales and comparisons

• 18,491,312,146,944 seconds is equal to 587,966 years, 27 weeks, 3 days, 12 hours, 22 minutes, 24 seconds.
• To count from 1 to 18,491,312,146,944 would take you about one million, four hundred sixty-nine thousand, nine hundred sixteen 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 18491312146944 cubic inches would be around 2203.6 feet tall.

Recreational maths with 18491312146944

• 18491312146944 backwards is 44964121319481
• The number of decimal digits it has is: 14
• The sum of 18491312146944's digits is 57
• More coming soon!