21473821121220

Names of 21473821121220

• Cardinal: 21473821121220 can be written as Twenty-one trillion, four hundred seventy-three billion, eight hundred twenty-one million, one hundred twenty-one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.147382112122 × 10¹³

Factors of 21473821121220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10503

Divisors of 21473821121220

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 983 1170 1966 2340 2949 3932 4915 5898 8847 9497 9830 11796 12779 14745 17694 18994 19660 25558 28491 29490 35388 37988 38337 44235 47485 51116 56982 58980 63895 76674 85473 88470 94970 113964 115011 123461 127790 142455 153348 170946 176940 189940 191685 230022 246922 255580 284910 341892 370383 383370 427365 460044 493844 569820 575055 617305 740766 766740 854730 966289 1111149 1150110 1234610 1481532 1709460 1851915 1932578 2222298 2300220 2469220 2898867 3703830 3865156 4444596 4831445 5555745 5797734 7407660 8696601 9335551 9662890 11111490 11595468 12561757 14494335 17393202 18671102 19325780 22222980 25123514 28006653 28988670 34786404 37342204 37685271 43483005 46677755 50247028 56013306 57977340 62808785 75370542 84019959 86966010 93355510 112026612 113055813 121362163 125617570 140033265 150741084 168039918 173932020 186711020 188426355 226111626 242724326 251235140 280066530 336079836 364086489 376852710 420099795 452223252 485448652 560133060 565279065 606810815 728172978 753705420 840199590 1092259467 1130558130 1213621630 1456345956 1680399180 1820432445 2184518934 2261116260 2427243260 3640864890 4369037868 5461297335 7281729780 9176846633 10922594670 18353693266 21845189340 27530539899 36707386532 45884233165 55061079798 82591619697 91768466330 110122159596 119299006229 137652699495 165183239394 183536932660 238598012458 275305398990 330366478788 357897018687 412958098485 477196024916 550610797980 596495031145 715794037374 825916196970 1073691056061 1192990062290 1431588074748 1651832393940 1789485093435 2147382112122 2385980124580 3578970186870 4294764224244 5368455280305 7157940373740 10736910560610 21473821121220
• Sum of all divisors σ(n): 70226643044376
• Sum of proper divisors (its aliquot sum) s(n): 48752821923156
• 21473821121220 is an abundant number, because the sum of its proper divisors (48752821923156) is greater than itself. Its abundance is 27279000801936

Bases of 21473821121220

• Binary: 100111000011111000011011110101101101011000100₂
• Hexadecimal: 0x1387C37ADAC4
• Base-36: 7M0XQNOP0

Squares and roots of 21473821121220

• 21473821121220 squared (21473821121220²) is 461124993546154177934288400
• 21473821121220 cubed (21473821121220³) is 9902115625933841773027868313170839848000
• The square root of 21473821121220 is 4633985.4468071001
• The cube root of 21473821121220 is 27795.1983154969

Scales and comparisons

• 21,473,821,121,220 seconds is equal to 682,801 years, 4 weeks, 4 days, 7 hours, 27 minutes.
• To count from 1 to 21,473,821,121,220 would take you about one million, seven hundred seven thousand and two 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 21473821121220 cubic inches would be around 2316.3 feet tall.

Recreational maths with 21473821121220

• 21473821121220 backwards is 02212112837412
• 21473821121220 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21473821121220's digits is 36
• More coming soon!