121378217541889

Names of 121378217541889

• Cardinal: 121378217541889 can be written as One hundred twenty-one trillion, three hundred seventy-eight billion, two hundred seventeen million, five hundred forty-one thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 1.21378217541889 × 10¹⁴

Factors of 121378217541889

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 28277

Divisors of 121378217541889

• Number of divisors d(n): 192
• Complete list of divisors:
  1 7 11 31 37 61 73 77 121 217 259 341 407 427 511 671 803 847 1147 1891 2257 2263 2387 2701 2849 3751 4453 4477 4697 5621 7381 8029 8833 12617 13237 15799 15841 18907 20801 24827 24893 26257 28057 29711 31171 31339 48983 51667 61831 69967 83731 88319 138043 138787 145607 164761 173789 174251 196399 207977 228811 273097 273823 308627 326821 342881 489769 538813 586117 769637 869767 921041 966301 971509 1038109 1153327 1518473 1601677 1711477 1812371 1911679 1916761 2048161 2160389 2287747 3394897 3771691 5107591 5387459 6088369 6447287 7266763 8466007 9567437 10131451 10629311 11419199 11980339 12686597 14337127 16703203 18826247 19936081 22529771 23764279 32181379 35753137 53055787 56183501 59262049 63324649 63492991 66972059 70920157 75781957 79934393 105241807 116922421 124937821 125611189 131783729 139552567 157708397 207088717 225269653 247827481 353995169 371390509 393284507 443272543 444450937 530473699 583613657 618018511 696571139 698422901 736692649 833601527 874564747 879278323 1374316031 1449621019 1734792367 1963064119 2349240667 2477966183 3873072451 3893946859 4085295599 4326129577 4622699377 4875997973 4888960307 5835210689 6419750227 7662282529 7682651911 9169616797 9620212217 13741448833 15117476341 16444684669 21593705309 25841647337 27111507157 27257628013 32358895639 42603796961 44938251589 50849693147 53635977703 53778563377 64187317579 105822334387 143303680687 151155937163 180891531359 237530758399 284258120707 298226578727 355947852029 468641766571 559346624617 1003125764809 1576340487557 1662715308793 1989806844949 3280492365997 3915426372319 11034383412899 17339745363127 121378217541889
• Sum of all divisors σ(n): 166554098077696
• Sum of proper divisors (its aliquot sum) s(n): 45175880535807
• 121378217541889 is a deficient number, because the sum of its proper divisors (45175880535807) is less than itself. Its deficiency is 76202337006082

Bases of 121378217541889

• Binary: 11011100110010010010001100010100100000100000001₂
• Hexadecimal: 0x6E64918A4101
• Base-36: 170WDSTXXD

Squares and roots of 121378217541889

• 121378217541889 squared (121378217541889²) is 14732671693646130557469688321
• 121378217541889 cubed (121378217541889³) is 1788225429804610287413094841605395591578369
• The square root of 121378217541889 is 11017178.2930970577
• The cube root of 121378217541889 is 49512.3551843543

Scales and comparisons

• 121,378,217,541,889 seconds is equal to 3,859,451 years, 45 weeks, 1 day, 19 hours, 24 minutes, 49 seconds.
• To count from 1 to 121,378,217,541,889 would take you about nine million, six hundred forty-eight thousand, six hundred twenty-nine 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 121378217541889 cubic inches would be around 4126 feet tall.

Recreational maths with 121378217541889

• 121378217541889 backwards is 988145712873121
• The number of decimal digits it has is: 15
• The sum of 121378217541889's digits is 67
• More coming soon!