21490748821265625

Names of 21490748821265625

• Cardinal: 21490748821265625 can be written as Twenty-one quadrillion, four hundred ninety trillion, seven hundred forty-eight billion, eight hundred twenty-one million, two hundred sixty-five thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 2.1490748821265625 × 10¹⁶

Factors of 21490748821265625

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 356

Divisors of 21490748821265625

• Number of divisors d(n): 448
• Complete list of divisors:
  1 3 5 9 11 15 25 27 33 45 55 75 99 121 125 135 165 225 275 297 337 363 375 495 605 625 675 825 1011 1089 1125 1331 1375 1485 1685 1815 1875 2475 3025 3033 3125 3267 3375 3707 3993 4125 5055 5445 5625 6655 6875 7425 8425 9075 9099 9375 11121 11979 12375 15125 15165 15625 16335 16875 18535 19965 20625 25275 27225 28125 33275 33363 34375 35937 37125 40777 42125 45375 45495 46875 55605 59895 61875 75625 75825 81675 84375 92675 99825 100089 103125 113569 122331 126375 136125 140625 166375 166815 171875 179685 185625 203885 210625 226875 227475 278025 299475 309375 340707 366993 378125 379125 408375 421875 448547 463375 499125 500445 515625 567845 611655 631875 680625 831875 834075 898425 928125 1019425 1022121 1053125 1100979 1134375 1137375 1249259 1345641 1390125 1497375 1546875 1703535 1834965 1890625 1895625 2041875 2242735 2316875 2495625 2502225 2839225 3058275 3066363 3159375 3403125 3747777 4036923 4159375 4170375 4492125 4640625 5097125 5110605 5265625 5504895 5671875 5686875 6246295 6728205 6950625 7486875 8517675 9174825 9478125 10209375 11213675 11243331 11584375 12110769 12478125 12511125 13741849 14196125 15291375 15331815 15796875 17015625 18738885 20184615 20796875 20851875 22460625 25485625 25553025 27524475 28434375 31231475 33641025 33729993 34753125 37434375 38272753 41225547 42588375 45874125 47390625 51046875 56068375 56216655 57921875 60553845 62390625 62555625 68709245 70980625 76456875 76659075 93694425 100923075 104259375 112303125 114818259 123676641 127428125 127765125 137622375 142171875 151160339 156157375 168205125 168649965 173765625 187171875 191363765 206127735 212941875 229370625 280341875 281083275 302769225 312778125 343546225 344454777 354903125 371029923 382284375 383295375 421000283 453481017 468472125 504615375 521296875 561515625 574091295 618383205 637140625 638825625 688111875 755801695 780786875 841025625 843249825 956818825 1030638675 1033364331 1064709375 1146853125 1263000849 1360443051 1401709375 1405416375 1513846125 1563890625 1717731125 1722273885 1774515625 1855149615 1911421875 1916476875 2105001415 2267405085 2342360625 2523076875 2870456475 3091916025 3194128125 3440559375 3779008475 3789002547 3903934375 4081329153 4205128125 4216249125 4631003113 4784094125 5153193375 5166821655 5323546875 5734265625 6315004245 6802215255 7008546875 7027081875 7569230625 8588655625 8611369425 9275748075 9582384375 10525007075 11337025425 11367007641 11711803125 12615384375 13893009339 14352282375 15459580125 15970640625 17202796875 18895042375 18945012735 19519671875 20406645765 21025640625 21081245625 23155015565 23920470625 25765966875 25834108275 31575021225 34011076275 35135409375 37846153125 41679028017 42943278125 43056847125 46378740375 47911921875 50941034243 52625035375 56685127125 56835038205 58559015625 63076921875 69465046695 71761411875 77297900625 94475211875 94725063675 102033228825 105406228125 115775077825 119602353125 125037084051 128829834375 129170541375 152823102729 157875106125 170055381375 175677046875 189230765625 208395140085 214716390625 215284235625 231893701875 254705171215 263125176875 283425635625 284175191025 347325233475 358807059375 386489503125 458469308187 472376059375 473625318375 510166144125 527031140625 578875389125 598011765625 625185420255 644149171875 645852706875 764115513645 789375530625 850276906875 1041975700425 1076421178125 1159468509375 1273525856075 1315625884375 1375407924561 1417128178125 1420875955125 1736626167375 1794035296875 1932447515625 2292346540935 2361880296875 2368126591875 2550830720625 2894376945625 3125927101275 3229263534375 3820577568225 3946877653125 4251384534375 5209878502125 5382105890625 5797342546875 6367629280375 6578129421875 6877039622805 7085640890625 7104379775625 8683130836875 11461732704675 11840632959375 12754153603125 14471884728125 15629635506375 16146317671875 19102887841125 19734388265625 21256922671875 26049392510625 31838146401875 34385198114025 35521898878125 43415654184375 57308663523375 59203164796875 63770768015625 72359423640625 78148177531875 95514439205625 130246962553125 159190732009375 171925990570125 177609494390625 217078270921875 286543317616875 390740887659375 477572196028125 651234812765625 795953660046875 859629952850625 1432716588084375 1953704438296875 2387860980140625 4298149764253125 7163582940421875 21490748821265625
• Sum of all divisors σ(n): 43904180394297600
• Sum of proper divisors (its aliquot sum) s(n): 22413431573031975
• 21490748821265625 is an abundant number, because the sum of its proper divisors (22413431573031975) is greater than itself. Its abundance is 922682751766350

Bases of 21490748821265625

• Binary: 1001100010110011011100011100001011100101101110011011001₂
• Hexadecimal: 0x4C59B8E172DCD9
• Base-36: 5VLU1PPHN89

Squares and roots of 21490748821265625

• 21490748821265625 squared (21490748821265625²) is 461852284898729850352226806640625
• 21490748821265625 cubed (21490748821265625³) is 9925551447286214149030849796036416934967041015625
• The square root of 21490748821265625 is 146597233.3342809885
• 21490748821265625 is a perfect cube number. Its cube root is 278025

Scales and comparisons

• 21,490,748,821,265,625 seconds is equal to 683,339,337 years, 13 weeks, 5 days, 15 hours, 33 minutes, 45 seconds.
• To count from 1 to 21,490,748,821,265,625 would take you about two billion, fifty million, eighteen thousand and eleven 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 21490748821265625 cubic inches would be around 23168.8 feet tall.

Recreational maths with 21490748821265625

• 21490748821265625 backwards is 52656212884709412
• The number of decimal digits it has is: 17
• The sum of 21490748821265625's digits is 72
• More coming soon!