21125205491712

Names of 21125205491712

• Cardinal: 21125205491712 can be written as Twenty-one trillion, one hundred twenty-five billion, two hundred five million, four hundred ninety-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 2.1125205491712 × 10¹³

Factors of 21125205491712

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 149

Divisors of 21125205491712

• Number of divisors d(n): 1280
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 37 41 42 48 49 56 59 64 74 82 84 96 98 111 112 118 123 128 147 148 164 168 177 192 196 222 224 236 246 256 259 287 294 296 328 336 343 354 384 392 413 444 448 472 492 512 518 574 588 592 656 672 686 708 768 777 784 826 861 888 896 944 984 1024 1029 1036 1148 1176 1184 1239 1312 1344 1372 1416 1517 1536 1554 1568 1652 1722 1776 1792 1813 1888 1968 2009 2048 2058 2072 2183 2296 2352 2368 2401 2419 2478 2624 2688 2744 2832 2891 3034 3072 3108 3136 3304 3444 3552 3584 3626 3776 3936 4018 4096 4116 4144 4366 4551 4592 4704 4736 4802 4838 4956 5248 5376 5439 5488 5664 5782 6027 6068 6144 6216 6272 6549 6608 6888 7104 7168 7203 7252 7257 7552 7872 8036 8192 8232 8288 8673 8732 9102 9184 9408 9472 9604 9676 9912 10496 10619 10752 10878 10976 11328 11564 12054 12136 12288 12432 12544 12691 13098 13216 13776 14063 14208 14336 14406 14504 14514 15104 15281 15744 16072 16384 16464 16576 16933 17346 17464 18204 18368 18816 18944 19208 19352 19824 20237 20992 21238 21504 21756 21952 22656 23128 24108 24272 24576 24864 25088 25382 26196 26432 27552 28126 28416 28672 28812 29008 29028 30208 30562 31488 31857 32144 32768 32928 33152 33866 34692 34928 36408 36736 37632 37888 38073 38416 38704 39648 40474 41984 42189 42476 43008 43512 43904 45312 45843 46256 48216 48544 49152 49728 50176 50764 50799 52392 52864 55104 56252 56832 57344 57624 58016 58056 60416 60711 61124 62976 63714 64288 65856 66304 67732 69384 69856 72816 73472 74333 75264 75776 76146 76832 77408 79296 80948 83968 84378 84952 86016 87024 87808 88837 89503 90624 91686 92512 96432 97088 98304 98441 99456 100352 101528 101598 104784 105728 106967 110208 112504 113664 114688 115248 116032 116112 118531 120832 121422 122248 125952 127428 128576 131712 132608 135464 138768 139712 141659 145632 146944 148666 150528 151552 152292 153664 154816 158592 161896 167936 168756 169904 172032 174048 175616 177674 179006 181248 183372 185024 192864 194176 196882 198912 200704 203056 203196 209568 211456 213934 220416 222999 225008 227328 229376 230496 232064 232224 237062 241664 242844 244496 251904 254856 257152 263424 265216 266511 268509 270928 277536 279424 283318 291264 293888 295323 297332 301056 303104 304584 307328 309632 317184 320901 323792 335872 337512 339808 344064 348096 351232 355348 355593 358012 362496 366744 370048 385728 388352 393764 397824 401408 406112 406392 419136 422912 424977 427868 440832 445998 450016 454656 460992 464128 464448 474124 483328 485688 488992 503808 509712 514304 520331 526848 530432 533022 537018 541856 555072 558848 566636 582528 587776 590646 594664 602112 606208 609168 614656 619264 626521 634368 641802 647584 671744 675024 679616 688128 696192 702464 710696 711186 716024 724992 733488 740096 748769 771456 776704 787528 795648 802816 812224 812784 829717 838272 845824 849954 855736 881664 891996 900032 909312 921984 928256 928896 948248 966656 971376 977984 1007616 1019424 1028608 1040662 1053696 1060864 1066044 1074036 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60146016 60687872 61399058 62168064 62590976 62896596 65243136 65830912 66602368 68226816 68738304 69357568 69696228 70170352 71049216 71532544 71881824 72529408 74563584 75602688 76116992 77973504 78675968 79265792 79652832 80194688 82150656 82890752 83862128 86403072 86990848 87415608 89112576 90969088 91031808 91651072 92098587 92928304 93886464 94732288 95842432 98746368 99903552 100803584 103964672 104036352 105255528 106203776 107298816 108794112 109534208 114175488 115204096 116554144 118013952 118898688 120292032 121375744 122798116 124336128 125181952 125793192 130486272 133204736 136453632 137476608 138715136 139392456 140340704 142098432 143763648 145058816 149127168 151205376 152233984 155947008 159305664 160389376 164301312 165781504 167724256 172806144 173981696 174831216 178225152 181938176 182063616 183302144 184197174 185856608 187772928 191684864 197492736 199807104 201607168 207929344 208072704 210511056 212407552 214597632 214896703 217588224 219068416 228350976 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1065637888 1091629056 1099812864 1115139648 1122725632 1150109184 1160470528 1209643008 1217871872 1247576064 1274445312 1283115008 1289380218 1314410496 1341794048 1382449152 1398649728 1455505408 1456508928 1466417152 1473577392 1486852864 1502183424 1533478912 1598456832 1612857344 1664581632 1684088448 1699260416 1719173624 1740705792 1752547328 1826807808 1864866304 1924672512 1942011904 1964769856 1989378048 2012691072 2131275776 2183258112 2199625728 2230279296 2245451264 2300218368 2320941056 2419286016 2435743744 2548890624 2566230016 2578760436 2628820992 2683588096 2797299456 2911010816 2913017856 2932834304 2947154784 2973705728 3066957824 3196913664 3225714688 3368176896 3398520832 3438347248 3481411584 3505094656 3653615616 3729732608 3849345024 3884023808 3929539712 4025382144 4262551552 4366516224 4399251456 4460558592 4490902528 4600436736 4641882112 4838572032 5097781248 5132460032 5157520872 5257641984 5367176192 5594598912 5826035712 5894309568 5947411456 6133915648 6393827328 6736353792 6797041664 6876694496 6962823168 7307231232 7459465216 7698690048 7859079424 8050764288 8525103104 8733032448 8798502912 8921117184 8981805056 9200873472 9677144064 10195562496 10264920064 10315041744 10515283968 10734352384 11189197824 11652071424 11788619136 11894822912 12267831296 12787654656 13472707584 13594083328 13753388992 13925646336 14918930432 15397380096 15718158848 16101528576 17050206208 17842234368 17963610112 18401746944 20391124992 20529840128 20630083488 21468704768 22378395648 23577238272 23789645824 24535662592 25575309312 26945415168 27188166656 27506777984 29837860864 30794760192 31436317696 32203057152 35684468736 35927220224 36803493888 40782249984 41260166976 42937409536 44756791296 47154476544 47579291648 51150618624 53890830336 55013555968 59675721728 61589520384 62872635392 64406114304 71368937472 71854440448 73606987776 81564499968 82520333952 85874819072 89513582592 94308953088 95158583296 107781660672 110027111936 119351443456 125745270784 128812228608 142737874944 143708880896 165040667904 171749638144 179027165184 188617906176 190317166592 215563321344 220054223872 251490541568 257624457216 285475749888 330081335808 358054330368 377235812352 431126642688 440108447744 502981083136 515248914432 570951499776 660162671616 754471624704 880216895488 1005962166272 1320325343232 1508943249408 1760433790976 2640650686464 3017886498816 3520867581952 5281301372928 7041735163904 10562602745856 21125205491712
• Sum of all divisors σ(n): 70312176446400
• Sum of proper divisors (its aliquot sum) s(n): 49186970954688
• 21125205491712 is an abundant number, because the sum of its proper divisors (49186970954688) is greater than itself. Its abundance is 28061765462976

Bases of 21125205491712

• Binary: 100110011011010011000010111101000000000000000₂
• Hexadecimal: 0x1336985E8000
• Base-36: 7HKS9WVEO

Squares and roots of 21125205491712

• 21125205491712 squared (21125205491712²) is 446274307067058843700690944
• 21125205491712 cubed (21125205491712³) is 9427636442462998896797692987397665456128
• The square root of 21125205491712 is 4596216.4322094319
• The cube root of 21125205491712 is 27643.9637026127

Scales and comparisons

• 21,125,205,491,712 seconds is equal to 671,716 years, 9 weeks, 6 days, 4 hours, 35 minutes, 12 seconds.
• To count from 1 to 21,125,205,491,712 would take you about one million, six hundred seventy-nine thousand, two hundred ninety 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 21125205491712 cubic inches would be around 2303.7 feet tall.

Recreational maths with 21125205491712

• 21125205491712 backwards is 21719450252112
• 21125205491712 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21125205491712's digits is 42
• More coming soon!