121820018190

Names of 121820018190

• Cardinal: 121820018190 can be written as One hundred twenty-one billion, eight hundred twenty million, eighteen thousand, one hundred ninety.

Scientific notation

• Scientific notation: 1.2182001819 × 10¹¹

Factors of 121820018190

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2750

Divisors of 121820018190

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 10 13 15 23 26 30 39 46 65 69 78 115 130 138 169 195 230 299 338 345 390 467 507 598 690 845 897 934 1014 1401 1495 1690 1794 2237 2335 2535 2802 2990 3887 4474 4485 4670 5070 6071 6711 7005 7774 8970 10741 11185 11661 12142 13422 14010 18213 19435 21482 22370 23322 29081 30355 32223 33555 36426 38870 51451 53705 58162 58305 60710 64446 67110 78923 87243 91065 102902 107410 116610 139633 145405 154353 157846 161115 174486 182130 236769 257255 279266 290810 308706 322230 378053 394615 418899 436215 473538 514510 668863 698165 756106 771765 789230 837798 872430 1044679 1134159 1183845 1337726 1396330 1543530 1815229 1890265 2006589 2089358 2094495 2268318 2367690 3134037 3344315 3630458 3780530 4013178 4188990 5223395 5445687 5670795 6268074 6688630 8695219 9076145 10032945 10446790 10891374 11341590 13580827 15670185 17390438 18152290 20065890 24027617 26085657 27161654 27228435 31340370 40742481 43476095 48055234 52171314 54456870 67904135 72082851 81484962 86952190 120138085 130428285 135808270 144165702 176550751 203712405 240276170 260856570 312359021 353101502 360414255 407424810 529652253 624718042 720828510 882753755 937077063 1059304506 1561795105 1765507510 1874154126 2648261265 3123590210 4060667273 4685385315 5296522530 8121334546 9370770630 12182001819 20303336365 24364003638 40606672730 60910009095 121820018190
• Sum of all divisors σ(n): 331207958016
• Sum of proper divisors (its aliquot sum) s(n): 209387939826
• 121820018190 is an abundant number, because the sum of its proper divisors (209387939826) is greater than itself. Its abundance is 87567921636

Bases of 121820018190

• Binary: 1110001011101000010011111011000001110₂
• Hexadecimal: 0x1C5D09F60E
• Base-36: 1JYOHRM6

Squares and roots of 121820018190

• 121820018190 squared (121820018190²) is 14840116831811930876100
• 121820018190 cubed (121820018190³) is 1807823302393054589985524636259000
• The square root of 121820018190 is 349027.2456270427
• The cube root of 121820018190 is 4957.2355252421

Scales and comparisons

• 121,820,018,190 seconds is equal to 3,873 years, 25 weeks, 6 days, 21 hours, 56 minutes, 30 seconds.
• To count from 1 to 121,820,018,190 would take you about seven thousand, seven hundred forty-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 121820018190 cubic inches would be around 413.1 feet tall.

Recreational maths with 121820018190

• 121820018190 backwards is 091810028121
• The number of decimal digits it has is: 12
• The sum of 121820018190's digits is 33
• More coming soon!