21121218958140

Names of 21121218958140

• Cardinal: 21121218958140 can be written as Twenty-one trillion, one hundred twenty-one billion, two hundred eighteen million, nine hundred fifty-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.112121895814 × 10¹³

Factors of 21121218958140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1523

Divisors of 21121218958140

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 27 28 30 35 36 38 42 45 49 54 57 60 63 70 76 84 90 95 98 105 108 114 126 133 135 140 147 171 180 189 190 196 210 228 245 252 266 270 285 294 315 342 361 378 380 399 420 441 490 513 532 540 570 588 630 665 684 722 735 756 798 855 882 931 945 980 1026 1083 1140 1197 1260 1323 1330 1444 1470 1487 1596 1710 1764 1805 1862 1890 1995 2052 2166 2205 2394 2527 2565 2646 2660 2793 2940 2974 3249 3420 3591 3610 3724 3780 3990 4332 4410 4461 4655 4788 5054 5130 5292 5415 5586 5948 5985 6498 6615 7182 7220 7435 7581 7980 8379 8820 8922 9310 9747 10108 10260 10409 10830 11172 11970 12635 12996 13230 13383 13965 14364 14870 15162 16245 16758 17689 17844 17955 18620 19494 20818 21660 22305 22743 23940 25137 25270 26460 26766 27930 28253 29740 30324 31227 32490 33516 35378 35910 37905 38988 40149 41636 41895 44610 45486 48735 50274 50540 52045 53067 53532 55860 56506 62454 64980 66915 68229 70756 71820 72863 75810 80298 83790 84759 88445 89220 90972 93681 97470 100548 104090 106134 113012 113715 124908 125685 133830 136458 141265 145726 151620 156135 159201 160596 167580 169518 176890 187362 194940 197771 200745 208180 212268 218589 227430 251370 254277 265335 267660 272916 281043 282530 291452 312270 318402 339036 341145 353780 364315 374724 395542 401490 423795 437178 454860 468405 477603 502740 508554 530670 536807 562086 565060 593313 624540 636804 655767 682290 728630 762831 791084 796005 802980 847590 874356 936810 955206 988855 1017108 1061340 1073614 1092945 1124172 1186626 1271385 1311534 1364580 1384397 1405215 1457260 1525662 1592010 1610421 1695180 1779939 1873620 1910412 1967301 1977710 2147228 2185890 2211169 2373252 2388015 2542770 2623068 2684035 2768794 2810430 2966565 3051324 3184020 3220842 3278835 3559878 3757649 3814155 3934602 3955420 4153191 4371780 4422338 4776030 4831263 5085540 5339817 5368070 5537588 5620860 5933130 6441684 6557670 6633507 6921985 7119756 7515298 7628310 7869204 8052105 8306382 8844676 8899695 9552060 9662526 9836505 10679634 10736140 11055845 11272947 11866260 12459573 13115340 13267014 13843970 14493789 15030596 15256620 15478183 16104210 16612764 17799390 18788245 19325052 19673010 19900521 20765955 21359268 22111690 22545894 24156315 24919146 26303543 26534028 26699085 27687940 28987578 30956366 32208420 33167535 33818841 35598780 37378719 37576490 39346020 39801042 41531910 42012211 44223380 45091788 46434549 48312630 49838292 52607086 53398170 56364735 57975156 59701563 61912732 62297865 66335070 67637682 72468945 74757438 75152980 77390915 78910629 79602084 83063820 84024422 92869098 96625260 99502605 101456523 105214172 106796340 108347281 112729470 119403126 124595730 126036633 131517715 132670140 135275364 139303647 144937890 149514876 154781830 157821258 168048844 169094205 185738196 186893595 199005210 202913046 210061055 216694562 225458940 232172745 236731887 238806252 249191460 252073266 263035430 278607294 289875780 294085477 298507815 309563660 315642516 325041843 338188410 373787190 378109899 394553145 398010420 405826092 417910941 420122110 433389124 464345490 473463774 504146532 507282615 526070860 541736405 557214588 588170954 597015630 630183165 650083686 676376820 696518235 710195661 747574380 756219798 789106290 798232009 835821882 840244220 882256431 928690980 946927548 975125529 1014565230 1083472810 1134329697 1176341908 1183659435 1194031260 1260366330 1300167372 1393036470 1420391322 1470427385 1512439596 1578212580 1596464018 1625209215 1671643764 1764512862 1890549495 1950251058 2029130460 2058598339 2089554705 2166945620 2268659394 2367318870 2394696027 2520732660 2646769293 2786072940 2840782644 2925376587 2940854770 3192928036 3250418430 3529025724 3550978305 3781098990 3900502116 3991160045 4117196678 4179109410 4411282155 4537318788 4734637740 4789392054 4875627645 5293538586 5587624063 5671648485 5850753174 5881709540 6175795017 6500836860 7101956610 7184088081 7562197980 7940307879 7982320090 8234393356 8358218820 8822564310 9578784108 9751255290 10292991695 10587077172 11175248126 11343296970 11701506348 11973480135 12351590034 13233846465 14203913220 14368176162 14626882935 15880615758 15964640180 16762872189 17645128620 18527385051 19502510580 20585983390 21552264243 22350496252 22686593940 23946960270 24703180068 26467692930 27938120315 28736352324 29253765870 30878975085 31761231516 33525744378 35920440405 37054770102 39113368441 39701539395 41171966780 43104528486 47893920540 50288616567 52935385860 55582155153 55876240630 58507531740 61757950170 67051488756 71840880810 74109540204 78226736882 79403078790 83814360945 86209056972 92636925255 100577233134 107761321215 111164310306 111752481260 117340105323 123515900340 143681761620 150865849701 156453473764 158806157580 167628721890 185273850510 195566842205 201154466268 215522642430 222328620612 234680210646 251443082835 277910775765 301731699402 335257443780 352020315969 370547701020 391133684410 431045284860 469360421292 502886165670 555821551530 586700526615 603463398804 704040631938 754329248505 782267368820 1005772331340 1056060947907 1111643103060 1173401053230 1408081263876 1508658497010 1760101579845 2112121895814 2346802106460 3017316994020 3520203159690 4224243791628 5280304739535 7040406319380 10560609479070 21121218958140
• Sum of all divisors σ(n): 80727817075920
• Sum of proper divisors (its aliquot sum) s(n): 59606598117780
• 21121218958140 is an abundant number, because the sum of its proper divisors (59606598117780) is greater than itself. Its abundance is 38485379159640

Bases of 21121218958140

• Binary: 100110011010110101010110000001101001100111100₂
• Hexadecimal: 0x1335AAC0D33C
• Base-36: 7HIYCFMF0

Squares and roots of 21121218958140

• 21121218958140 squared (21121218958140²) is 446105890277692547072259600
• 21121218958140 cubed (21121218958140³) is 9422300187071122534356793816007613144000
• The square root of 21121218958140 is 4595782.7361767223
• The cube root of 21121218958140 is 27642.2246974813

Scales and comparisons

• 21,121,218,958,140 seconds is equal to 671,589 years, 22 weeks, 2 days, 18 hours, 9 minutes.
• To count from 1 to 21,121,218,958,140 would take you about one million, six hundred seventy-eight thousand, nine hundred 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 21121218958140 cubic inches would be around 2303.5 feet tall.

Recreational maths with 21121218958140

• 21121218958140 backwards is 04185981212112
• 21121218958140 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21121218958140's digits is 45
• More coming soon!