1998738117792

Names of 1998738117792

• Cardinal: 1998738117792 can be written as One trillion, nine hundred ninety-eight billion, seven hundred thirty-eight million, one hundred seventeen thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.998738117792 × 10¹²

Factors of 1998738117792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 3000

Divisors of 1998738117792

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 72 78 81 96 104 108 117 144 156 162 169 181 208 216 234 243 288 312 324 338 351 362 416 432 468 486 507 543 624 648 676 702 724 729 864 936 972 1014 1053 1086 1248 1296 1352 1404 1448 1458 1521 1629 1872 1944 2028 2106 2172 2353 2592 2704 2801 2808 2896 2916 3042 3159 3258 3744 3888 4056 4212 4344 4563 4706 4887 5408 5602 5616 5792 5832 6084 6318 6516 7059 7776 8112 8403 8424 8688 9126 9412 9477 9774 11204 11232 11664 12168 12636 13032 13689 14118 14661 16224 16806 16848 17376 18252 18824 18954 19548 21177 22408 23328 24336 25209 25272 26064 27378 28236 29322 30589 33612 33696 36413 36504 37648 37908 39096 41067 42354 43983 44816 48672 50418 50544 52128 54756 56472 58644 61178 63531 67224 72826 73008 75296 75627 75816 78192 82134 84708 87966 89632 91767 100836 101088 109239 109512 112944 117288 122356 123201 127062 131949 134448 145652 146016 151254 151632 156384 164268 169416 175932 183534 190593 201672 218478 219024 225888 226881 234576 244712 246402 254124 263898 268896 275301 291304 302508 303264 327717 328536 338832 351864 367068 381186 403344 436956 438048 453762 469152 473369 489424 492804 506981 508248 527796 550602 571779 582608 605016 655434 657072 677664 680643 703728 734136 762372 806688 825903 873912 907524 946738 978848 983151 985608 1013962 1016496 1055592 1101204 1143558 1165216 1210032 1310868 1314144 1361286 1407456 1420107 1468272 1520943 1524744 1651806 1715337 1747824 1815048 1893476 1966302 1971216 2027924 2032992 2041929 2111184 2202408 2287116 2420064 2477709 2621736 2722572 2840214 2936544 2949453 3041886 3049488 3303612 3430674 3495648 3630096 3786952 3932604 3942432 4055848 4083858 4222368 4260321 4404816 4562829 4574232 4955418 5243472 5445144 5680428 5898906 6083772 6098976 6590753 6607224 6861348 7260192 7433127 7573904 7865208 8111696 8167716 8520642 8809632 8848359 9125658 9148464 9910836 10486944 10890288 11360856 11797812 12167544 12780963 13181506 13214448 13688487 13722696 14866254 15147808 15730416 16223392 16335432 17041284 17696718 18251316 18296928 19772259 19821672 21780576 22299381 22721712 23595624 24335088 25561926 26363012 26428896 26545077 27376974 27445392 29732508 31460832 32670864 34082568 35393436 36502632 38342889 39544518 39643344 41065461 44598762 45443424 47191248 48670176 51123852 52726024 53090154 54753948 54890784 59316777 59465016 65341728 68165136 70786872 73005264 76685778 79089036 79286688 82130922 85679789 89197524 94382496 102247704 105452048 106180308 109507896 115028667 118633554 118930032 123196383 136330272 141573744 146010528 153371556 158178072 164261844 171359578 177950331 178395048 204495408 210904096 212360616 219015792 230057334 237267108 237860064 246392766 257039367 283147488 306743112 316356144 328523688 342719156 345086001 355900662 356790096 369589149 408990816 424721232 438031584 460114668 474534216 492785532 514078734 533850993 613486224 632712288 657047376 685438312 690172002 711801324 713580192 739178298 771118101 849442464 920229336 949068432 985571064 1028157468 1067701986 1226972448 1314094752 1370876624 1380344004 1423602648 1478356596 1542236202 1601552979 1840458672 1898136864 1971142128 2056314936 2135403972 2313354303 2741753248 2760688008 2847205296 2956713192 3084472404 3203105958 3680917344 3942284256 4112629872 4270807944 4626708606 4804658937 5521376016 5694410592 5913426384 6168944808 6406211916 6940062909 8225259744 8541615888 9253417212 9609317874 11042752032 11826852768 12337889616 12812423832 13880125818 17083231776 18506834424 19218635748 20820188727 24675779232 25624847664 27760251636 37013668848 38437271496 41640377454 51249695328 55520503272 62460566181 74027337696 76874542992 83280754908 111041006544 124921132362 153749085984 166561509816 222082013088 249842264724 333123019632 499684529448 666246039264 999369058896 1998738117792
• Sum of all divisors σ(n): 6426156826908
• Sum of proper divisors (its aliquot sum) s(n): 4427418709116
• 1998738117792 is an abundant number, because the sum of its proper divisors (4427418709116) is greater than itself. Its abundance is 2428680591324

Bases of 1998738117792

• Binary: 11101000101011110000100110101010010100000₂
• Hexadecimal: 0x1D15E1354A0
• Base-36: PI7H2I00

Squares and roots of 1998738117792

• 1998738117792 squared (1998738117792²) is 3994954063514706866955264
• 1998738117792 cubed (1998738117792³) is 7984866965574887223368781729226457088
• The square root of 1998738117792 is 1413767.3492452711
• The cube root of 1998738117792 is 12596.5601548729

Scales and comparisons

• 1,998,738,117,792 seconds is equal to 63,553 years, 35 weeks, 6 days, 43 minutes, 12 seconds.
• To count from 1 to 1,998,738,117,792 would take you about one hundred fifty-eight thousand, eight hundred eighty-four 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 1998738117792 cubic inches would be around 1049.7 feet tall.

Recreational maths with 1998738117792

• 1998738117792 backwards is 2977118378991
• 1998738117792 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1998738117792's digits is 72
• More coming soon!