21221901898211

Names of 21221901898211

• Cardinal: 21221901898211 can be written as Twenty-one trillion, two hundred twenty-one billion, nine hundred one million, eight hundred ninety-eight thousand, two hundred eleven.

Scientific notation

• Scientific notation: 2.1221901898211 × 10¹³

Factors of 21221901898211

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 157

Divisors of 21221901898211

• Number of divisors d(n): 216
• Complete list of divisors:
  1 7 17 19 41 49 73 119 133 287 289 323 361 511 697 779 833 931 1241 1387 2009 2023 2261 2527 2993 3577 4879 5329 5453 5491 6137 6859 8687 9709 11849 13243 14161 14801 15827 17689 20951 21097 23579 26353 34153 37303 38171 38437 42959 48013 50881 56867 60809 67963 82943 90593 92701 101251 103607 104329 116603 146657 147679 165053 184471 218489 225131 251617 261121 269059 281219 300713 336091 356167 398069 400843 448001 500707 580601 634151 648907 708757 725249 730303 816221 864977 966739 1033753 1080473 1155371 1291297 1529423 1540081 1575917 1721267 1761319 1923769 1968533 1982251 2493169 2786483 2805901 3136007 3504949 3714313 4151291 4277489 4439057 4780723 4961299 5112121 5713547 6054839 6767173 7563311 7616017 8512019 10705961 10780567 11031419 12048869 12329233 13466383 13779731 13875757 16434563 18368041 19641307 20528987 21952049 24534643 26000191 29059037 29261539 29942423 32704073 33465061 36551611 42383873 47370211 52943177 53312119 59584133 63143321 70571947 75463969 78874529 81272291 84342083 94264681 97130299 115041941 128576287 143702909 144704323 182001337 203413259 204830773 209596961 228928511 234255427 255861277 312256697 348992779 373184833 417088931 442003247 494003629 552121703 555969241 568906037 621377387 805293587 900034009 1005920363 1012930261 1199723099 1340866993 1433815411 1498616051 1602499577 1791028939 2185796879 2442949453 3094022729 3458025403 3864851921 3891784687 3982342259 4349641709 5932877243 7090511827 8398061693 9386068951 10490312357 10563415579 15300578153 17100646171 22794738881 25476472867 27242492809 30447491963 41530140701 58786431851 65702482657 73432186499 73943909053 159563172167 178335310069 290710984907 433100038739 517607363371 1116942205169 1248347170483 3031700271173 21221901898211
• Sum of all divisors σ(n): 28749881255760
• Sum of proper divisors (its aliquot sum) s(n): 7527979357549
• 21221901898211 is a deficient number, because the sum of its proper divisors (7527979357549) is less than itself. Its deficiency is 13693922540662

Bases of 21221901898211

• Binary: 100110100110100011011111011001001000111100011₂
• Hexadecimal: 0x134D1BEC91E3
• Base-36: 7IT7GGG6B

Squares and roots of 21221901898211

• 21221901898211 squared (21221901898211²) is 450369120177291645005000521
• 21221901898211 cubed (21221901898211³) is 9557689286386083541988571313196943967931
• The square root of 21221901898211 is 4606723.5534825617
• The cube root of 21221901898211 is 27686.0777514453

Scales and comparisons

• 21,221,901,898,211 seconds is equal to 674,790 years, 43 weeks, 3 days, 13 hours, 30 minutes, 11 seconds.
• To count from 1 to 21,221,901,898,211 would take you about one million, six hundred eighty-six thousand, nine hundred seventy-seven 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 21221901898211 cubic inches would be around 2307.2 feet tall.

Recreational maths with 21221901898211

• 21221901898211 backwards is 11289810912212
• The number of decimal digits it has is: 14
• The sum of 21221901898211's digits is 47
• More coming soon!