121398112990

Names of 121398112990

• Cardinal: 121398112990 can be written as One hundred twenty-one billion, three hundred ninety-eight million, one hundred twelve thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.2139811299 × 10¹¹

Factors of 121398112990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2886

Divisors of 121398112990

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 5 7 10 11 14 17 22 34 35 43 49 55 70 77 85 86 98 110 119 121 154 170 187 215 238 242 245 301 374 385 430 473 490 539 595 602 605 731 770 833 847 935 946 1078 1190 1210 1309 1462 1505 1666 1694 1870 2057 2107 2365 2618 2695 2801 3010 3311 3655 4114 4165 4214 4235 4730 5117 5203 5390 5602 5929 6545 6622 7310 8041 8330 8470 9163 10234 10285 10406 10535 11858 13090 14005 14399 16082 16555 18326 19607 20570 21070 23177 25585 26015 28010 28798 29645 30811 33110 35819 36421 39214 40205 45815 46354 47617 51170 52030 56287 59290 61622 71638 71995 72842 80410 88451 91630 95234 98035 100793 112574 115885 120443 137249 143990 154055 176902 179095 182105 196070 201586 215677 231770 238085 240886 254947 274498 281435 308110 333319 338921 358190 364210 394009 431354 442255 476170 503965 509894 523787 562870 602215 619157 666638 677842 686245 788018 843101 884510 1007930 1047574 1078385 1204430 1238314 1274735 1324873 1372490 1509739 1666595 1686202 1694605 1970045 2047531 2156770 2333233 2372447 2549470 2618935 2649746 3019478 3095785 3333190 3389210 3666509 3940090 4095062 4215505 4334099 4666466 4744894 5237870 5761657 5901707 6191570 6624365 7333018 7548695 8431010 8668198 9274111 10237655 11523314 11666165 11803414 11862235 13248730 14332717 14573603 15097390 16607129 18332545 18548222 20475310 21670495 22522841 23332330 23724470 25665563 28665434 28808285 29147206 29508535 33214258 36665090 40331599 43340990 45045682 46370555 51331126 57616570 59017070 64918777 71663585 72868015 80663198 83035645 92741110 100329019 102015221 112614205 128327815 129837554 143327170 145736030 157659887 166071290 200658038 201657995 204030442 225228410 247751251 256655630 282321193 315319774 324593885 403315990 495502502 501645095 510076105 564642386 649187770 714106547 788299435 1003290190 1020152210 1103619209 1238756255 1411605965 1428213094 1576598870 1734258757 2207238418 2477512510 2823211930 3468517514 3570532735 5518096045 7141065470 8671293785 11036192090 12139811299 17342587570 24279622598 60699056495 121398112990
• Sum of all divisors σ(n): 302825410272
• Sum of proper divisors (its aliquot sum) s(n): 181427297282
• 121398112990 is an abundant number, because the sum of its proper divisors (181427297282) is greater than itself. Its abundance is 60029184292

Bases of 121398112990

• Binary: 1110001000011111001000011001011011110₂
• Hexadecimal: 0x1C43E432DE
• Base-36: 1JRPAVHA

Squares and roots of 121398112990

• 121398112990 squared (121398112990²) is 14737501837532806740100
• 121398112990 cubed (121398112990³) is 1789104913263140295466493363899000
• The square root of 121398112990 is 348422.3198791949
• The cube root of 121398112990 is 4951.5060273445

Scales and comparisons

• 121,398,112,990 seconds is equal to 3,860 years, 4 weeks, 2 days, 18 hours, 3 minutes, 10 seconds.
• To count from 1 to 121,398,112,990 would take you about seven thousand, seven hundred twenty 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 121398112990 cubic inches would be around 412.6 feet tall.

Recreational maths with 121398112990

• 121398112990 backwards is 099211893121
• The number of decimal digits it has is: 12
• The sum of 121398112990's digits is 46
• More coming soon!