2189813173821

Names of 2189813173821

• Cardinal: 2189813173821 can be written as Two trillion, one hundred eighty-nine billion, eight hundred thirteen million, one hundred seventy-three thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 2.189813173821 × 10¹²

Factors of 2189813173821

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 653

Divisors of 2189813173821

• Number of divisors d(n): 448
• Complete list of divisors:
  1 3 7 9 13 21 23 27 37 39 63 69 79 81 91 111 117 161 189 207 237 243 259 273 299 333 351 481 483 491 553 567 621 711 729 777 819 851 897 999 1027 1053 1443 1449 1473 1659 1701 1817 1863 2093 2133 2331 2457 2553 2691 2923 2997 3081 3159 3367 3437 4329 4347 4419 4977 5103 5451 5589 5957 6279 6383 6399 6993 7189 7371 7659 8073 8769 8991 9243 9477 10101 10311 11063 11293 12719 12987 13041 13257 14931 16353 16767 17871 18167 18837 19149 19197 20461 20979 21567 22113 22977 23621 24219 26307 26973 27729 30303 30933 33189 33879 37999 38157 38789 38961 39123 39771 44681 44793 49059 53613 54501 56511 57447 57591 61383 62937 64701 66339 67229 68931 70863 72657 77441 78921 79051 83187 90909 92799 99567 101637 113997 114471 116367 116883 117369 119313 127169 134043 134379 146809 147177 160839 163503 165347 169533 172341 184149 188811 194103 201687 206793 212589 217971 232323 236171 236763 237153 249561 265993 271523 272727 278397 298701 304911 341991 343413 349101 350649 357939 381507 402129 403137 417841 440427 441531 470603 482517 490509 496041 504257 508599 517023 552447 582309 605061 620379 637767 696969 708513 710289 711459 748683 797979 814569 818181 835191 873977 892147 896103 914733 1025973 1027663 1030239 1047303 1144521 1206387 1253523 1321281 1324593 1411809 1435193 1447551 1471527 1488123 1512771 1525797 1551069 1653197 1657341 1746927 1815183 1913301 2090907 2125539 2130867 2134377 2393937 2443707 2454543 2505573 2621931 2676441 2688309 2744199 2924887 3077919 3082989 3090717 3141909 3433563 3529799 3619161 3760569 3963843 4235427 4305579 4342653 4414581 4464369 4538313 4653207 4959591 4972023 5240781 5431933 5445549 5739903 6117839 6245029 6272721 6376617 6403131 7181811 7331121 7865793 8029323 8064927 8232597 8774661 9233757 9248967 9272151 9425727 10046351 10300689 10589397 10857483 11281707 11597911 11891529 12706281 12916737 13243743 13393107 13614939 14878773 14916069 16295799 16336647 17219709 18353517 18657509 18735087 18818163 19129851 19209393 21545433 21993363 23597379 24087969 26323983 27701271 27746901 28277181 30139053 30902067 31768191 32572449 33009439 33845121 34793733 35674587 38023531 38118843 38750211 40179321 40844817 44636319 48887397 49009941 55060551 55972527 56205261 56454489 57389553 57628179 64636299 65980089 70792137 72263907 78971949 81185377 83240703 90417159 92706201 95304573 99028317 101535363 104381199 107023761 114070593 114356529 116250633 120537963 122534451 130602563 133908957 146662191 165181653 167917581 168615783 172168659 193908897 197940267 212376411 216791721 231066073 236915847 243556131 249722109 271251477 285913719 297084951 304606089 313143597 342211779 343069587 348751899 367603353 391807689 401726871 429122707 439986573 495544959 503752743 505847349 637129233 650375163 693198219 710747541 730668393 749166327 813754431 857741157 891254853 939430791 1026635337 1046255697 1175423067 1205180613 1287368121 1319959719 1486634877 1511258229 1517542047 2079594657 2132242623 2192005179 2441263293 2573223471 2673764559 2818292373 3003858949 3079906011 3526269201 3862104363 3959879157 4459904631 4533774687 4552626141 6238783971 6576015537 7323789879 8021293677 8454877119 9011576847 9239718033 10578807603 11586313089 13601324061 18716351913 19728046611 24063881031 27034730541 27719154099 31736422809 34758939267 56149055739 59184139833 81104191623 95209268427 104276817801 168447167217 243312574869 312830453403 729937724607 2189813173821
• Sum of all divisors σ(n): 4394283909120
• Sum of proper divisors (its aliquot sum) s(n): 2204470735299
• 2189813173821 is an abundant number, because the sum of its proper divisors (2204470735299) is greater than itself. Its abundance is 14657561478

Bases of 2189813173821

• Binary: 11111110111011011000010010100111000111101₂
• Hexadecimal: 0x1FDDB094E3D
• Base-36: RXZI82T9

Squares and roots of 2189813173821

• 2189813173821 squared (2189813173821²) is 4795281736240001159740041
• 2189813173821 cubed (2189813173821³) is 10500771118201592334587059989506666661
• The square root of 2189813173821 is 1479801.7346323797
• The cube root of 2189813173821 is 12985.8093156475

Scales and comparisons

• 2,189,813,173,821 seconds is equal to 69,629 years, 14 weeks, 5 days, 21 hours, 10 minutes, 21 seconds.
• To count from 1 to 2,189,813,173,821 would take you about one hundred seventy-four thousand and seventy-three 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 2189813173821 cubic inches would be around 1082.2 feet tall.

Recreational maths with 2189813173821

• 2189813173821 backwards is 1283713189812
• The number of decimal digits it has is: 13
• The sum of 2189813173821's digits is 54
• More coming soon!