1998988709406

Names of 1998988709406

• Cardinal: 1998988709406 can be written as One trillion, nine hundred ninety-eight billion, nine hundred eighty-eight million, seven hundred nine thousand, four hundred six.

Scientific notation

• Scientific notation: 1.998988709406 × 10¹²

Factors of 1998988709406

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 416

Divisors of 1998988709406

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 13 19 26 38 39 53 57 78 106 114 127 159 199 247 254 318 361 381 398 494 597 689 722 741 762 1007 1083 1194 1378 1482 1651 2014 2067 2166 2413 2587 2809 3021 3302 3781 4134 4693 4826 4953 5174 5618 6042 6731 7239 7562 7761 8427 9386 9906 10547 11343 13091 13462 14079 14478 15522 16854 19133 20193 21094 22686 25273 26182 28158 31369 31641 36517 38266 39273 40386 45847 49153 50546 53371 57399 62738 63282 71839 73034 75819 78546 87503 91694 94107 98306 106742 109551 114798 127889 137111 137541 143678 147459 151638 160113 175006 188214 200393 215517 219102 248729 255778 262509 274222 275082 294918 320226 328549 356743 383667 400786 411333 431034 480187 497458 525018 558991 596011 601179 657098 693823 713486 746187 767334 822666 933907 960374 985647 1014049 1070229 1117982 1192022 1202358 1339469 1387646 1440561 1492374 1662557 1676973 1788033 1867814 1971294 2028098 2081469 2140458 2429891 2605109 2678938 2801721 2881122 3042147 3325114 3353946 3576066 3807467 4018407 4162938 4637659 4859782 4987671 5210218 5603442 6084294 6242431 6778117 7266883 7289673 7614934 7815327 8036814 9123553 9275318 9975342 10620829 11422401 12484862 13182637 13556234 13912977 14533766 14579346 15630654 17413097 18247106 18727293 20334351 21241658 21800649 22844802 25449911 26365274 27370659 27825954 31588583 31862487 34826194 37454586 39547911 40668702 43601298 49497071 50899822 52239291 54741318 63177166 63724974 70991857 76349733 79095822 88115521 94765749 98994142 104478582 118606189 128784223 138070777 141983714 148491213 152699466 176231042 189531498 201795751 212975571 237212378 257568446 264346563 276141554 296982426 330848843 355818567 386352669 403591502 414212331 425951142 483548309 528693126 605387253 661697686 711637134 772705338 828424662 922894141 967096618 992546529 1210774506 1348845283 1450644927 1674194899 1845788282 1985093058 2623344763 2697690566 2768682423 2901289854 3348389798 4046535849 5022584697 5246689526 5537364846 6286128017 7870034289 8093071698 10045169394 12572256034 15740068578 17534988679 18858384051 25628060377 35069977358 37716768102 51256120754 52604966037 76884181131 105209932074 153768362262 333164784901 666329569802 999494354703 1998988709406
• Sum of all divisors σ(n): 4691325542400
• Sum of proper divisors (its aliquot sum) s(n): 2692336832994
• 1998988709406 is an abundant number, because the sum of its proper divisors (2692336832994) is greater than itself. Its abundance is 693348123588

Bases of 1998988709406

• Binary: 11101000101101101000000110000111000011110₂
• Hexadecimal: 0x1D16D030E1E
• Base-36: PIBM9JQ6

Squares and roots of 1998988709406

• 1998988709406 squared (1998988709406²) is 3995955860332665512872836
• 1998988709406 cubed (1998988709406³) is 7987870648089737423401555515035095416
• The square root of 1998988709406 is 1413855.9719455161
• The cube root of 1998988709406 is 12597.0865637443

Scales and comparisons

• 1,998,988,709,406 seconds is equal to 63,561 years, 34 weeks, 1 day, 9 hours, 30 minutes, 6 seconds.
• To count from 1 to 1,998,988,709,406 would take you about one hundred fifty-eight thousand, nine hundred 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 1998988709406 cubic inches would be around 1049.8 feet tall.

Recreational maths with 1998988709406

• 1998988709406 backwards is 6049078898991
• 1998988709406 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1998988709406's digits is 78
• More coming soon!