121998108747658

Names of 121998108747658

• Cardinal: 121998108747658 can be written as One hundred twenty-one trillion, nine hundred ninety-eight billion, one hundred eight million, seven hundred forty-seven thousand, six hundred fifty-eight.

Scientific notation

• Scientific notation: 1.21998108747658 × 10¹⁴

Factors of 121998108747658

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 189

Divisors of 121998108747658

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 11 13 19 22 26 38 71 73 142 143 146 169 209 247 286 338 361 418 494 722 781 803 923 949 1349 1387 1562 1606 1846 1859 1898 2197 2698 2717 2774 3211 3718 3971 4394 4693 5041 5183 5434 6422 6859 7942 9386 10082 10153 10366 10439 11999 12337 13718 14839 15257 17537 18031 20306 20878 23998 24167 24674 25631 26353 29678 30514 35074 35321 36062 41743 48334 51262 51623 52706 55451 57013 61009 65533 67379 70642 75449 83486 89167 95779 98477 103246 110902 114026 122018 131066 131989 134758 135707 150898 155987 160381 178334 191558 192907 196954 198341 227981 234403 263978 271414 281941 289883 311974 320762 333203 342589 367993 385814 396682 455962 459173 468806 486989 500707 563882 579766 666406 671099 685178 720863 735986 741169 793117 851929 875927 918346 973978 980837 1001414 1053569 1083247 1159171 1245127 1280201 1342198 1441726 1482338 1586234 1703858 1715857 1751854 1764191 1819801 1871063 1961674 2107138 2166494 2318342 2490254 2507791 2560402 2578433 2963753 3047239 3431714 3528382 3639602 3665233 3742126 3768479 4047923 4331639 4453657 4783909 5015582 5156866 5356879 5507777 5927506 6094478 6330857 6509191 6991867 7330466 7536958 8095846 8663278 8724287 8907314 9371219 9567818 9635197 10713758 11015554 11075077 11387051 12661714 12750881 13018382 13696397 13983734 14082211 15069223 16186651 16642613 17448574 18742438 19270394 20017811 20581693 22150154 22774102 23657413 24323819 25501762 27392794 28164422 30138446 32373302 32601283 33285226 33519629 34576219 35550197 40035622 41163386 47314826 47648029 48647638 48990227 52622999 56311307 57897541 62190817 65202566 67039258 69152438 69639427 71100394 71601101 76910537 82301141 84619483 90894271 95296058 97980454 105245998 112622614 115795082 121825847 124381634 125257561 132845473 139278854 143202202 153821074 164602282 165761453 169238966 178053161 181788542 183068743 210426463 216353969 243651694 250515122 260231543 265690946 267562009 307546369 316209647 331522906 356106322 366137486 380338409 391052167 420852926 432707938 449490847 462152561 520463086 535124018 615092738 619424377 632419294 636872951 684098987 760676818 782104334 808480621 898981694 905312551 924305122 930814313 999836981 1069914833 1100053279 1181625523 1238848754 1273745902 1368197974 1461300203 1616961242 1726991149 1810625102 1861628626 1999673962 2139829666 2200106558 2314691093 2363251046 2379893659 2524063987 2922600406 3383010059 3453982298 3478306117 3998102797 4110725411 4629382186 4759787318 4944399317 5048127974 5083678171 5843381011 6007983293 6766020118 6956612234 7996205594 8221450822 8893286831 9888798634 10167356342 11686762022 11769063163 12015966586 12100586069 12997880753 15361131799 17786573662 18996902639 22450884937 23538126326 24201172138 25995761506 27764703857 30722263598 32812831831 37993805278 43979130767 44901769874 45217979521 55529407714 64277191121 65625663662 66087816223 75963953143 78103782809 87958261534 90435959042 128554382242 132175632446 151927906286 156207565618 168972449789 246959734307 291861504181 337944899578 360941150141 426566813803 493919468614 583723008362 721882300282 835603484573 853133627606 859141610899 1671206969146 1718283221798 3210476545991 4692234951833 5545368579439 6420953091982 9384469903666 11090737158878 60999054373829 121998108747658
• Sum of all divisors σ(n): 234706726598400
• Sum of proper divisors (its aliquot sum) s(n): 112708617850742
• 121998108747658 is a deficient number, because the sum of its proper divisors (112708617850742) is less than itself. Its deficiency is 9289490896916

Bases of 121998108747658

• Binary: 11011101111010011100101111011110110011110001010₂
• Hexadecimal: 0x6EF4E5EF678A
• Base-36: 178T5O1THM

Squares and roots of 121998108747658

• 121998108747658 squared (121998108747658²) is 14883538538005387421120484964
• 121998108747658 cubed (121998108747658³) is 1815763553109540015431730354150547659214312
• The square root of 121998108747658 is 11045275.4038845949
• The cube root of 121998108747658 is 49596.5003529945

Scales and comparisons

• 121,998,108,747,658 seconds is equal to 3,879,162 years, 25 weeks, 4 days, 13 hours, 58 seconds.
• To count from 1 to 121,998,108,747,658 would take you about nine million, six hundred ninety-seven thousand, nine hundred six 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 121998108747658 cubic inches would be around 4133 feet tall.

Recreational maths with 121998108747658

• 121998108747658 backwards is 856747801899121
• The number of decimal digits it has is: 15
• The sum of 121998108747658's digits is 76
• More coming soon!