21640215401220

Names of 21640215401220

• Cardinal: 21640215401220 can be written as Twenty-one trillion, six hundred forty billion, two hundred fifteen million, four hundred one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 2.164021540122 × 10¹³

Factors of 21640215401220

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1217

Divisors of 21640215401220

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 29 30 39 52 58 60 65 78 87 116 127 130 145 156 174 195 254 260 290 348 377 381 390 421 435 508 580 617 635 754 762 780 841 842 870 1131 1234 1263 1270 1508 1524 1651 1682 1684 1740 1851 1885 1905 2105 2262 2468 2523 2526 2540 3085 3302 3364 3683 3702 3770 3810 4205 4210 4524 4953 5046 5052 5473 5655 6170 6315 6604 7366 7404 7540 7620 8021 8255 8410 8420 9255 9906 10092 10933 10946 11049 11310 12209 12340 12615 12630 14732 16042 16419 16510 16820 17893 18415 18510 19812 21866 21892 22098 22620 24063 24418 24765 25230 25260 27365 32084 32799 32838 33020 35786 36627 36830 37020 40105 43732 44196 47879 48126 48836 49530 50460 53467 53679 54665 54730 55245 61045 65598 65676 71572 73254 73660 78359 80210 82095 89465 95758 96252 99060 106807 106934 107358 109330 109460 110490 120315 122090 131196 143637 146508 156718 158717 160401 160420 163995 164190 178930 183135 191516 213614 213868 214716 218660 220980 232609 235077 239395 240630 244180 259757 267335 268395 287274 313436 317434 320421 320802 327990 328380 354061 357860 366270 391795 427228 465218 470154 476151 478790 481260 518897 519514 534035 534670 536790 574548 634868 640842 641604 655980 695071 697827 708122 718185 732540 779271 783590 793585 802005 930436 940308 952302 957580 1018667 1037794 1039028 1062183 1068070 1069340 1073580 1163045 1175385 1281684 1298785 1388491 1390142 1395654 1416244 1436370 1550543 1556691 1558542 1567180 1587170 1602105 1604010 1770305 1904604 2037334 2075588 2085213 2124366 2136140 2272411 2326090 2350770 2380755 2594485 2597570 2776982 2780284 2791308 2872740 3056001 3101086 3113382 3117084 3174340 3204210 3208020 3376841 3475355 3489135 3540610 3896355 4074668 4165473 4170426 4248732 4544822 4602793 4651629 4652180 4701540 4761510 5093335 5188970 5195140 5310915 5553964 6112002 6202172 6226764 6408420 6745661 6753682 6817233 6942455 6950710 6978270 7081220 7532953 7752715 7783455 7792710 8330946 8340852 9089644 9205586 9303258 9523020 10130523 10186670 10377940 10426065 10621830 11362055 12224004 13491322 13507364 13634466 13808379 13884910 13901420 13956540 15065906 15280005 15505430 15566910 15585420 16661892 16884205 18411172 18606516 20157059 20236983 20261046 20373340 20827365 20852130 21243660 22598859 22724110 23013965 23258145 26982644 27268932 27616758 27769820 29541343 30131812 30560010 31010860 31133820 32989139 33728305 33768410 34086165 37664765 40314118 40473966 40522092 41654730 41704260 44965747 45197718 45448220 46027930 46516290 50652615 55233516 59082686 60471177 61120020 65899919 65978278 67456610 67536820 68172330 69041895 75329530 80628236 80947932 83309460 88624029 89931494 90395436 92055860 93032580 97928389 98967417 100785295 101184915 101305230 112994295 118165372 120942354 131799838 131956556 134897241 134913220 136344660 138083790 147706715 150659060 164945695 177248058 179862988 195856778 197699757 197934834 201570590 202369830 202610460 218455637 224828735 225988590 241884708 263599676 269794482 276167580 293785167 295413430 302355885 329499595 329891390 354496116 391713556 395399514 395869668 403141180 404739660 428858807 436911274 443120145 449657470 451977180 489641945 494837085 539588964 584554711 587570334 590826860 604711770 655366911 658999190 659782780 674486205 790799028 856698947 857717614 873822548 886240290 899314940 956685031 979283890 988498785 989674170 1092278185 1169109422 1175140668 1209423540 1286576421 1310733822 1317998380 1348972410 1468925835 1713397894 1715435228 1753664133 1772480580 1913370062 1958567780 1976997570 1979348340 2144294035 2184556370 2338218844 2570096841 2573152842 2621467644 2697944820 2839923281 2870055093 2922773555 2937851670 3276834555 3426795788 3507328266 3826740124 3953995140 4283494735 4288588070 4369112740 4783425155 5140193682 5146305684 5679846562 5740110186 5845547110 5875703340 6432882105 6553669110 7014656532 8519769843 8566989470 8577176140 8768320665 9566850310 10280387364 11359693124 11480220372 11691094220 12436905403 12850484205 12865764210 13107338220 14199616405 14350275465 17039539686 17133978940 17536641330 19133700620 24873810806 25700968410 25731528420 27743865899 28399232810 28700550930 34079079372 35073282660 37310716209 42598849215 49747621612 51401936820 55487731798 56798465620 57401101860 62184527015 74621432418 83231597697 85197698430 110975463596 124369054030 138719329495 149242864836 166463195394 170395396860 186553581045 248738108060 277438658990 332926390788 360670256687 373107162090 416157988485 554877317980 721340513374 746214324180 832315976970 1082010770061 1442681026748 1664631953940 1803351283435 2164021540122 3606702566870 4328043080244 5410053850305 7213405133740 10820107700610 21640215401220
• Sum of all divisors σ(n): 68385868701696
• Sum of proper divisors (its aliquot sum) s(n): 46745653300476
• 21640215401220 is an abundant number, because the sum of its proper divisors (46745653300476) is greater than itself. Its abundance is 25105437899256

Bases of 21640215401220

• Binary: 100111010111010000001010110100001001100000100₂
• Hexadecimal: 0x13AE815A1304
• Base-36: 7O5DLIKUC

Squares and roots of 21640215401220

• 21640215401220 squared (21640215401220²) is 468298922611199285577488400
• 21640215401220 cubed (21640215401220³) is 10134089557465607677808625495405895848000
• The square root of 21640215401220 is 4651904.4918420243
• The cube root of 21640215401220 is 27866.8059305781

Scales and comparisons

• 21,640,215,401,220 seconds is equal to 688,091 years, 47 weeks, 3 days, 47 minutes.
• To count from 1 to 21,640,215,401,220 would take you about one million, seven hundred twenty thousand, two 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 21640215401220 cubic inches would be around 2322.2 feet tall.

Recreational maths with 21640215401220

• 21640215401220 backwards is 02210451204612
• 21640215401220 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21640215401220's digits is 30
• More coming soon!