1998637796285442

Names of 1998637796285442

• Cardinal: 1998637796285442 can be written as One quadrillion, nine hundred ninety-eight trillion, six hundred thirty-seven billion, seven hundred ninety-six million, two hundred eighty-five thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.998637796285442 × 10¹⁵

Factors of 1998637796285442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 354

Divisors of 1998637796285442

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 29 39 54 58 78 81 87 117 162 169 174 234 243 261 307 338 351 377 486 507 522 614 702 754 783 841 921 1014 1053 1131 1521 1566 1682 1842 2106 2262 2349 2523 2763 3042 3159 3393 3991 4563 4698 4901 5046 5526 6318 6786 7047 7569 7982 8289 8903 9126 9802 10179 10933 11973 13689 14094 14703 15138 16578 17806 20358 21866 22707 23946 24867 26709 27378 29406 30537 32799 35919 41067 44109 45414 49734 51883 53418 61074 65598 68121 71838 74601 80127 82134 88218 91611 94249 98397 103766 107757 115739 132327 136242 142129 149202 155649 160254 183222 188498 196794 204363 215514 231478 240381 258187 264654 282747 284258 295191 311298 323271 347217 396981 408726 426387 466947 480762 516374 565494 590382 646542 694434 721143 774561 793962 848241 852774 885573 933894 969813 1041651 1190943 1225237 1279161 1400841 1442286 1504607 1549122 1696482 1771146 1939626 2083302 2163429 2323683 2381886 2450474 2544723 2558322 2656719 2733221 2801682 3009214 3124953 3356431 3675711 3837483 4202523 4326858 4513821 4647366 5089446 5313438 5466442 6249906 6712862 6971049 7351422 7634169 7674966 8199663 8405046 9027642 9374859 10069293 11027133 11512449 12607569 13541463 13942098 15268338 15928081 16399326 18749718 20138586 20913147 22054266 22902507 23024898 24598989 25215138 27082926 28124577 28934443 30207879 31856162 33081399 34537347 35531873 40624389 41826294 43633603 45805014 47784243 49197978 56249154 57868886 60415758 62739441 66162798 69074694 71063746 73796967 79263409 81248778 86803329 87267206 90623637 95568486 99244197 106595619 121873167 125478882 130900809 143352729 147593934 158526818 173606658 181247274 198488394 213191238 221390901 237790227 243746334 260409987 261801618 271870911 286705458 297732591 319786857 365619501 376147759 392702427 430058187 442781802 461914349 475580454 520819974 543741822 595465182 639573714 664172703 713370681 731239002 752295518 781229961 785404854 815612733 839098847 860116374 923828698 959360571 1030424317 1128443277 1178107281 1290174561 1328345406 1385743047 1426741362 1562459922 1631225466 1678197694 1918721142 2060848634 2140112043 2256886554 2343689883 2356214562 2517296541 2580349122 2771486094 2878081713 3091272951 3385329831 3534321843 3870523683 4157229141 4280224086 4687379766 4889920867 5034593082 5756163426 6182545902 6420336129 6770659662 7031069649 7068643686 7551889623 7741047366 8314458282 8634245139 9273818853 9779841734 10155989493 10602965529 10908285011 12471687423 12840672258 13395516121 14062139298 14669762601 15103779246 17268490278 18547637706 19261008387 20311978986 21205931058 21816570022 22655668869 24333866563 24943374846 26791032242 27821456559 29339525202 30467968479 32724855033 37415062269 38522016774 40186548363 44009287803 45311337738 48667733126 55642913118 60935936958 65449710066 67967006607 73001599689 74830124538 80373096726 83464369677 88018575606 91403905437 98174565099 112245186807 120559645089 132027863409 135934013214 141807705143 146003199378 166928739354 182807810874 196349130198 203901019821 219004799067 224490373614 241119290178 250393109031 264055726818 283615410286 294523695297 316340265319 361678935267 396083590227 407802039642 425423115429 438009598134 500786218062 589047390594 632680530638 657014397201 723357870534 792167180454 850846230858 883571085891 949020795957 1085036805801 1188250770681 1276269346287 1314028794402 1767142171782 1898041591914 1971043191603 2170073611602 2376501541362 2552538692574 2650713257673 2847062387871 3255110417403 3828808038861 3942086383206 4112423449147 5301426515346 5694124775742 5913129574809 6510220834806 7657616077722 8224846898294 8541187163613 11486424116583 11826259149618 12337270347441 17082374327226 22972848233166 24674540694882 25623561490839 34459272349749 37011811042323 51247122981678 68918544699498 74023622084646 76870684472517 111035433126969 153741368945034 222070866253938 333106299380907 666212598761814 999318898142721 1998637796285442
• Sum of all divisors σ(n): 5052705181524000
• Sum of proper divisors (its aliquot sum) s(n): 3054067385238558
• 1998637796285442 is an abundant number, because the sum of its proper divisors (3054067385238558) is greater than itself. Its abundance is 1055429588953116

Bases of 1998637796285442

• Binary: 111000110011100000000011111111000011101110000000010₂
• Hexadecimal: 0x719C01FE1DC02
• Base-36: JOGHJ0LY4I

Squares and roots of 1998637796285442

• 1998637796285442 squared (1998637796285442²) is 3994553040740727955613141135364
• 1998637796285442 cubed (1998637796285442³) is 7983664686491359937697349096526968849704570888
• The square root of 1998637796285442 is 44706127.0553091191
• The cube root of 1998637796285442 is 125963.4940072691

Scales and comparisons

• 1,998,637,796,285,442 seconds is equal to 63,550,499 years, 37 weeks, 6 days, 10 hours, 50 minutes, 42 seconds.
• To count from 1 to 1,998,637,796,285,442 would take you about one hundred ninety million, six hundred fifty-one thousand, four hundred ninety-nine 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 1998637796285442 cubic inches would be around 10497 feet tall.

Recreational maths with 1998637796285442

• 1998637796285442 backwards is 2445826977368991
• The number of decimal digits it has is: 16
• The sum of 1998637796285442's digits is 90
• More coming soon!