21528794322

Names of 21528794322

• Cardinal: 21528794322 can be written as Twenty-one billion, five hundred twenty-eight million, seven hundred ninety-four thousand, three hundred twenty-two.

Scientific notation

• Scientific notation: 2.1528794322 × 10¹⁰

Factors of 21528794322

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 114

Divisors of 21528794322

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 19 21 29 34 37 38 42 51 57 58 63 74 87 102 111 114 119 126 133 153 171 174 203 222 238 259 261 266 289 306 323 333 342 357 399 406 493 518 522 551 578 609 629 646 666 703 714 777 798 841 867 969 986 1071 1073 1102 1197 1218 1258 1406 1479 1554 1653 1682 1734 1827 1887 1938 2023 2109 2142 2146 2261 2331 2394 2523 2601 2907 2958 3219 3306 3451 3654 3774 3857 4046 4218 4403 4437 4522 4662 4921 4959 5046 5202 5491 5661 5814 5887 6069 6327 6438 6783 6902 7511 7569 7714 8381 8806 8874 9367 9657 9842 9918 10353 10693 10982 11322 11571 11774 11951 12138 12654 13209 13566 14297 14763 15022 15138 15979 16473 16762 17661 18207 18241 18734 19314 20349 20387 20706 21386 22533 23142 23902 25143 26418 28101 28594 29526 31059 31117 31958 32079 32946 34713 35322 35853 36414 36482 38437 39627 40698 40774 42891 44289 45066 47937 49419 50286 52983 54723 56202 58667 61161 62118 62234 64158 65569 67599 69426 71706 74851 75429 76874 79254 83657 84303 85782 88578 93351 95874 96237 98838 100079 105966 107559 109446 111853 115311 117334 122322 127687 128673 131138 135198 142709 143811 149702 150858 159239 164169 167314 168606 176001 183483 186702 192474 196707 200158 203167 215118 217819 223706 224553 230622 243049 250971 255374 257346 271643 280053 285418 287622 300237 310097 318478 328338 335559 345933 346579 352002 366966 383061 393414 406334 428127 435638 449106 477717 486098 501942 528003 528989 543286 560106 590121 591223 600474 609501 620194 653457 671118 673659 691866 693158 729147 752913 766122 814929 856254 900711 930291 955434 1006677 1039737 1056006 1057978 1114673 1149183 1180242 1182446 1219002 1284381 1306914 1347318 1422169 1433151 1458294 1505826 1586967 1629858 1701343 1773669 1801422 1828503 1860582 1901501 1960371 2013354 2079474 2170679 2187441 2229346 2298366 2426053 2444787 2568762 2790873 2844338 2866302 3119211 3173934 3344019 3402686 3547338 3657006 3702923 3803002 3920742 4138561 4266507 4341358 4374882 4617931 4760901 4852106 4889574 5104029 5321007 5581746 5704503 5891843 6238422 6512037 6688038 7278159 7405846 8277122 8533014 8992813 9235862 9521802 10032057 10050791 10208058 10642014 11108769 11409006 11783686 12415683 12799521 13024074 13853793 14556318 15312087 17113509 17675529 17985626 19536111 20064114 20101582 21834477 22217538 24831366 25599042 26978439 27707586 30152373 30624174 32325517 33326307 34227018 35351058 37247049 39072222 41242901 41561379 43668954 53026587 53956878 60304746 62949691 64651034 66652614 70355537 74494098 80935317 82485802 83122758 90457119 96976551 106053174 123728703 125899382 140711074 161870634 170863447 180914238 188849073 193953102 211066611 247457406 290929653 341726894 371186109 377698146 422133222 512590341 566547219 581859306 633199833 742372218 1025180682 1133094438 1196044129 1266399666 1537771023 2392088258 3075542046 3588132387 7176264774 10764397161 21528794322
• Sum of all divisors σ(n): 63405176640
• Sum of proper divisors (its aliquot sum) s(n): 41876382318
• 21528794322 is an abundant number, because the sum of its proper divisors (41876382318) is greater than itself. Its abundance is 20347587996

Bases of 21528794322

• Binary: 10100000011001101110101010011010010₂
• Hexadecimal: 0x5033754D2
• Base-36: 9W1OS0I

Squares and roots of 21528794322

• 21528794322 squared (21528794322²) is 463488984958979439684
• 21528794322 cubed (21528794322³) is 9978359027694419963983640674248
• The square root of 21528794322 is 146726.9379561911
• The cube root of 21528794322 is 2781.8896767821

Scales and comparisons

• 21,528,794,322 seconds is equal to 684 years, 28 weeks, 3 days, 20 hours, 38 minutes, 42 seconds.
• To count from 1 to 21,528,794,322 would take you about one thousand, three hundred sixty-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 21528794322 cubic inches would be around 231.8 feet tall.

Recreational maths with 21528794322

• 21528794322 backwards is 22349782512
• The number of decimal digits it has is: 11
• The sum of 21528794322's digits is 45
• More coming soon!