19918804393488

Names of 19918804393488

• Cardinal: 19918804393488 can be written as Nineteen trillion, nine hundred eighteen billion, eight hundred four million, three hundred ninety-three thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.9918804393488 × 10¹³

Factors of 19918804393488

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 913

Divisors of 19918804393488

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 16 21 22 24 26 28 33 39 42 44 48 49 52 56 66 77 78 84 88 91 98 104 112 121 132 143 147 154 156 168 176 182 196 208 231 242 264 273 286 294 308 312 336 343 363 364 392 429 462 484 528 539 546 572 588 616 624 637 686 726 728 784 847 858 877 924 968 1001 1029 1078 1092 1144 1176 1232 1274 1372 1452 1456 1573 1617 1694 1716 1754 1848 1911 1936 2002 2058 2156 2184 2288 2352 2541 2548 2631 2744 2904 3003 3146 3234 3388 3432 3508 3696 3773 3822 4004 4116 4312 4368 4459 4719 5082 5096 5262 5488 5808 5929 6006 6139 6292 6468 6776 6864 7007 7016 7546 7644 8008 8232 8624 8918 9438 9647 10164 10192 10524 11011 11319 11401 11858 12012 12278 12584 12936 13377 13552 14014 14032 15092 15288 16016 16464 17787 17836 18417 18876 19294 20328 21021 21048 22022 22638 22802 23716 24024 24556 25168 25872 26754 28028 28941 30184 30576 33033 34203 35574 35672 36834 37752 38588 40656 41503 42042 42096 42973 44044 45276 45604 47432 48048 49049 49112 53508 56056 57882 60368 66066 67529 68406 71148 71344 73668 75504 77077 77176 79807 83006 84084 85946 88088 90552 91208 94864 98098 98224 106117 107016 112112 115764 124509 125411 128919 132132 135058 136812 142296 147147 147336 154154 154352 159614 166012 168168 171892 176176 181104 182416 196196 202587 212234 214032 231231 231528 239421 249018 250822 257838 264264 270116 273624 284592 294294 294672 300811 308308 318351 319228 332024 336336 343784 376233 392392 405174 424468 462462 463056 472703 478842 498036 501644 515676 528528 539539 540232 547248 558649 588588 601622 616616 636702 638456 664048 687568 742819 752466 769129 784784 810348 848936 877877 902433 924924 945406 957684 996072 1003288 1031352 1079078 1080464 1117298 1177176 1203244 1233232 1273404 1276912 1379521 1418109 1485638 1504932 1538258 1618617 1620696 1675947 1697872 1755754 1804866 1849848 1890812 1915368 1992144 2006576 2062704 2158156 2228457 2234596 2307387 2354352 2406488 2546808 2633631 2759042 2836218 2971276 3009864 3076516 3237234 3241392 3308921 3351894 3511508 3609732 3699696 3781624 3830736 3910543 4138563 4316312 4456914 4469192 4614774 4812976 5093616 5199733 5267262 5383903 5518084 5672436 5942552 6019728 6145139 6153032 6474468 6617842 6703788 7023016 7219464 7563248 7821086 8277126 8460419 8632624 8913828 8938384 9229548 9656647 9926763 9998677 10399466 10534524 10767806 11036168 11344872 11731629 11885104 12290278 12306064 12948936 13235684 13407576 14046032 14438928 15599199 15642172 16151709 16554252 16920838 17827656 18435417 18459096 19313294 19853526 19997354 20798932 21069048 21535612 22072336 22689744 23463258 24580556 25381257 25897872 26471368 26815152 28969941 29996031 31198398 31284344 32303418 33108504 33841676 35655312 36398131 36870834 36918192 37687321 38626588 39707052 39994708 41597864 42138096 43015973 43071224 46926516 49161112 50762514 52942736 57939882 59222933 59992062 62396796 62568688 64606836 66217008 67596529 67683352 69990739 72796262 73741668 75374642 77253176 79414104 79989416 83195728 86031946 86142448 93064609 93853032 98322224 101525028 109194393 109985447 113061963 115879764 118445866 119984124 124793592 129047919 129213672 135193058 135366704 139981478 145592524 147483336 150749284 154506352 158828208 159978832 172063892 177668799 186129218 187706064 202789587 203050056 209972217 218388786 219970894 226123926 231759528 236891732 239968248 249587184 258095838 258427344 263811247 270386116 279193827 279962956 291185048 294966672 301498568 329956341 344127784 355337598 372258436 405579174 406100112 414560531 419944434 436777572 439941788 452247852 463519056 473175703 473783464 479936496 489935173 516191676 527622494 540772232 558387654 559925912 582370096 602997136 651452263 659912682 688255568 710675196 744516872 769898129 791433741 811158348 829121062 839888868 873555144 879883576 904495704 946351406 947566928 979870346 1032383352 1055244988 1081544464 1116775308 1119851824 1209839917 1243681593 1302904526 1319825364 1419527109 1421350392 1469805519 1489033744 1539796258 1582867482 1622316696 1658242124 1679777736 1747110288 1759767152 1808991408 1892702812 1954356789 1959740692 2064766704 2110489976 2233550616 2309694387 2419679834 2487363186 2605809052 2639650728 2839054218 2842700784 2901923717 2939611038 3079592516 3165734964 3244633392 3316484248 3359555472 3429546211 3629519751 3785405624 3908713578 3919481384 4220979952 4467101232 4560165841 4619388774 4839359668 4974726372 5211618104 5279301456 5389286903 5678108436 5803847434 5879222076 6159185032 6331469928 6632968496 6859092422 7259039502 7570811248 7817427156 7838962768 8468879419 8705771151 9120331682 9238777548 9678719336 9949452744 10288638633 10423236208 10778573806 11356216872 11607694868 11758444152 12318370064 12662939856 13680497523 13718184844 14518079004 15634854312 16167860709 16937758838 17411542302 18240663364 18477555096 19357438672 19898905488 20577277266 21557147612 22712433744 23215389736 23516888304 25406638257 27360995046 27436369688 29036158008 31269708624 31921160887 32335721418 33875517676 34823084604 36481326728 36955110192 37725008321 41154554532 43114295224 46430779472 50813276514 54721990092 54872739376 58072316016 59282155933 63842321774 64671442836 67751035352 69646169208 72962653456 75450016642 82309109064 86228590448 95763482661 101626553028 109443980184 113175024963 118564311866 127684643548 129342885672 135502070704 139292338416 150900033284 164618218128 177846467799 191526965322 203253106056 218887960368 226350049926 237128623732 255369287096 258685771344 301800066568 355692935598 383053930644 406506212112 414975091531 452700099852 474257247464 510738574192 603600133136 711385871196 766107861288 829950183062 905400199704 948514494928 1244925274593 1422771742392 1532215722576 1659900366124 1810800399408 2489850549186 2845543484784 3319800732248 4979701098372 6639601464496 9959402196744 19918804393488
• Sum of all divisors σ(n): 71114150486400
• Sum of proper divisors (its aliquot sum) s(n): 51195346092912
• 19918804393488 is an abundant number, because the sum of its proper divisors (51195346092912) is greater than itself. Its abundance is 31276541699424

Bases of 19918804393488

• Binary: 100100001110110110101010000101001111000010000₂
• Hexadecimal: 0x121DB5429E10
• Base-36: 726KLUIHC

Squares and roots of 19918804393488

• 19918804393488 squared (19918804393488²) is 396758768466036851536806144
• 19918804393488 cubed (19918804393488³) is 7902960300476182988702649005846551990272
• The square root of 19918804393488 is 4463048.7778521981
• The cube root of 19918804393488 is 27107.3932132633

Scales and comparisons

• 19,918,804,393,488 seconds is equal to 633,356 years, 19 weeks, 12 hours, 24 minutes, 48 seconds.
• To count from 1 to 19,918,804,393,488 would take you about one million, five hundred eighty-three thousand, three hundred ninety 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 19918804393488 cubic inches would be around 2258.9 feet tall.

Recreational maths with 19918804393488

• 19918804393488 backwards is 88439340881991
• The number of decimal digits it has is: 14
• The sum of 19918804393488's digits is 75
• More coming soon!