20904849455490

Names of 20904849455490

• Cardinal: 20904849455490 can be written as Twenty trillion, nine hundred four billion, eight hundred forty-nine million, four hundred fifty-five thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.090484945549 × 10¹³

Factors of 20904849455490

• Number of distinct prime factors ω(n): 9
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4504

Divisors of 20904849455490

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 18 21 22 26 30 33 35 39 42 45 55 61 63 65 66 70 77 78 90 91 99 105 110 117 122 126 130 143 154 165 182 183 195 198 210 231 234 273 286 305 315 330 366 385 390 427 429 455 462 495 546 549 585 610 630 671 693 715 770 793 819 854 858 910 915 990 1001 1098 1155 1170 1181 1281 1287 1342 1365 1386 1430 1586 1638 1830 2002 2013 2135 2145 2310 2362 2379 2562 2574 2730 2745 3003 3221 3355 3465 3543 3843 3965 4026 4095 4270 4290 4697 4758 5005 5490 5551 5905 6006 6039 6405 6435 6442 6710 6930 7086 7137 7686 7930 8190 8267 8723 9009 9394 9663 10010 10065 10629 11102 11810 11895 12078 12810 12870 12991 14091 14274 15015 15353 16105 16534 16653 17446 17715 18018 19215 19326 20130 21258 22547 23485 23790 24801 25982 26169 27755 28182 28989 30030 30195 30706 32210 33306 35430 35431 35685 38430 38973 41335 41873 42273 43615 45045 45094 46059 46970 48315 49602 49959 52338 53145 55510 57978 60390 61061 64955 67641 70455 70862 71370 72041 74403 76765 77946 78507 82670 83265 83746 84546 87230 90090 90937 92118 96630 99918 106290 106293 107471 112735 116919 122122 124005 125619 129910 130845 135282 138177 140910 144082 144945 148806 153530 157014 166530 168883 177155 181874 183183 194865 196481 202923 209365 211365 212586 214942 216123 225470 230295 233838 248010 248017 249795 251238 261690 272811 276354 289890 293111 305305 318879 322413 337766 338205 354310 360205 366366 372015 376857 389730 392535 392962 405846 418730 422730 432246 454685 460590 460603 496034 499590 504287 506649 531465 537355 545622 549549 584595 586222 589443 610610 628095 637758 644826 648369 676410 690885 720410 744030 744051 753714 785070 792451 818433 844415 879333 909370 915915 921206 936533 967239 982405 1008574 1013298 1014615 1062930 1074710 1080615 1099098 1169190 1178886 1182181 1240085 1256190 1296738 1364055 1375367 1381770 1381809 1465555 1488102 1512861 1519947 1584902 1594395 1612065 1636866 1688830 1758666 1768329 1831830 1873066 1884285 1934478 1964810 2029230 2161230 2161291 2232153 2303015 2364362 2377353 2480170 2521435 2533245 2554253 2637999 2728110 2747745 2750734 2763618 2809599 2931110 2947215 3025722 3039894 3188790 3224130 3224221 3241845 3536658 3546543 3720255 3768570 3804001 3962255 4092165 4126101 4145427 4322582 4396665 4464306 4538583 4606030 4682665 4754706 4836195 5042870 5066490 5108506 5275998 5495490 5547157 5619198 5894430 5910905 6448442 6483690 6483873 6555731 6876835 6909045 7093086 7132059 7440510 7564305 7599735 7608002 7662759 7924510 8184330 8252202 8290854 8428797 8793330 8841645 9077166 9365330 9672390 9672663 10301863 10639629 10806455 11094314 11160765 11412003 11821810 11886765 12378303 12771265 12967746 13111462 13189995 13753670 13818090 14047995 14264118 15128610 15129037 15199470 15325518 16121105 16641471 16857594 17683290 17732715 17879771 19020005 19345326 19451619 19667193 20603726 20630505 20727135 21279258 21612910 22321530 22692915 22824006 22988277 23773530 24756606 25542530 26379990 26628007 27735785 28095990 28096783 29017989 30258074 30905589 32242210 32419365 32778655 33282942 34236009 35465430 35660295 35759542 38040010 38313795 38903238 39334386 41261010 41454270 41844011 42143985 45385830 45387111 45976554 48363315 49452013 49924413 51509315 53198145 53256014 53639313 55471570 56193566 57060015 58035978 59001579 61811178 61891515 64838730 65557310 68472018 71320590 72113041 75645185 76627590 79884021 83207355 83688022 84287970 84290349 89398855 90774222 92716767 96726630 97258095 98335965 98904026 99848826 103018630 106396290 107278626 114120030 114941385 118003158 123783030 125532033 133140035 136161333 140483915 144226082 145089945 148356039 151290370 154527945 159768042 160917939 166414710 168580698 171180045 178797710 185433534 194516190 196671930 196677481 209220055 216339123 226935555 229882770 232044061 239652063 247260065 249622065 251064066 252871047 266280070 268196565 272322666 280967830 290179890 292908077 295007895 296712078 309055890 321835878 342360090 346164091 360565205 376596099 393354962 399420105 418440110 421451745 432678246 445068117 453871110 463583835 464088122 479304126 494520130 499244130 505742094 536393130 543972143 585816154 590015790 590032443 627660165 649017369 680806665 692328182 696132183 721130410 741780195 753192198 798840210 804589695 842903490 878724231 890136234 927167670 983387405 1038492273 1081695615 1087944286 1160220305 1180064886 1198260315 1255320330 1264355235 1298034738 1361613330 1392264366 1464540385 1483560390 1609179390 1624308427 1631916429 1730820455 1757448462 1770097329 1882980495 1966774810 2076984546 2088396549 2163391230 2225340585 2320440610 2396520630 2528710470 2552484671 2636172693 2719860715 2929080770 2950162215 3016572793 3115476819 3245086845 3248616854 3263832858 3461640910 3480660915 3540194658 3765960990 3807805001 4176793098 4393621155 4450681170 4872925281 4895749287 5104969342 5192461365 5272345386 5439721430 5900324430 6033145586 6230953638 6490173690 6961321830 7615610002 7657454013 8121542135 8159582145 8787242310 8850486645 9049718379 9745850562 9791498574 10384922730 10441982745 11423415003 12762423355 13180863465 14618775843 15082863965 15314908026 15577384095 16243084270 16319164290 17700973290 17867392697 18099436758 19039025005 20883965490 21116009551 22846830006 22972362039 24364626405 24478746435 25524846710 26361726930 27149155137 29237551686 30165727930 31154768190 33182300723 34270245009 35734785394 38078050010 38287270065 42232019102 45248591895 45944724078 48729252810 48957492870 53602178091 54298310274 57117075015 63348028653 66364601446 68540490018 73093879215 76574540130 89336963485 90497183790 99546902169 105580047755 107204356182 114234150030 114861810195 126696057306 135745775685 146187758430 160806534273 165911503615 171351225045 178673926970 190044085959 199093804338 211160095510 229723620390 232276105061 268010890455 271491551370 298640706507 316740143265 321613068546 331823007230 342702450090 380088171918 464552210122 497734510845 536021780910 597281413014 633480286530 696828315183 804032671365 950220429795 995469021690 1161380525305 1393656630366 1493203532535 1608065342730 1900440859590 2090484945549 2322761050610 2986407065070 3484141575915 4180969891098 6968283151830 10452424727745 20904849455490
• Sum of all divisors σ(n): 74259125111808
• Sum of proper divisors (its aliquot sum) s(n): 53354275656318
• 20904849455490 is an abundant number, because the sum of its proper divisors (53354275656318) is greater than itself. Its abundance is 32449426200828

Bases of 20904849455490

• Binary: 100110000001101001010001000000011100110000010₂
• Hexadecimal: 0x13034A203982
• Base-36: 7ERJZM9OI

Squares and roots of 20904849455490

• 20904849455490 squared (20904849455490²) is 437012730756700549491140100
• 20904849455490 cubed (20904849455490³) is 9135685346601409457698843916064304149000
• The square root of 20904849455490 is 4572182.1327993925
• The cube root of 20904849455490 is 27547.5099195035

Scales and comparisons

• 20,904,849,455,490 seconds is equal to 664,709 years, 28 weeks, 4 days, 2 hours, 31 minutes, 30 seconds.
• To count from 1 to 20,904,849,455,490 would take you about one million, six hundred sixty-one thousand, seven 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 20904849455490 cubic inches would be around 2295.6 feet tall.

Recreational maths with 20904849455490

• 20904849455490 backwards is 09455494840902
• 20904849455490 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20904849455490's digits is 63
• More coming soon!