21440825608464

Names of 21440825608464

• Cardinal: 21440825608464 can be written as Twenty-one trillion, four hundred forty billion, eight hundred twenty-five million, six hundred eight thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1440825608464 × 10¹³

Factors of 21440825608464

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8109

Divisors of 21440825608464

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 101 102 109 136 144 153 202 204 218 272 303 306 327 404 408 436 606 612 654 808 816 872 909 981 1212 1224 1308 1616 1717 1744 1818 1853 1962 2424 2448 2616 3434 3636 3706 3924 4848 5151 5232 5559 6868 7272 7412 7848 7877 10201 10302 11009 11118 13736 14544 14824 15453 15696 15754 16677 20402 20604 22018 22236 23631 27472 29648 30603 30906 31508 33027 33354 40804 41208 44036 44472 47262 61206 61812 63016 66054 66708 70893 81608 82416 88072 88944 91809 94524 99081 122412 123624 126032 132108 133416 133909 141786 163216 173417 176144 183618 187153 189048 198162 244824 247248 264216 266832 267818 283572 346834 367236 374306 378096 396324 401727 489648 520251 528432 535636 561459 567144 693668 734472 748612 792648 795577 803454 858593 1040502 1071272 1111909 1122918 1134288 1205181 1387336 1468944 1497224 1560753 1585296 1591154 1606908 1684377 1717186 2081004 2142544 2223818 2245836 2386731 2410362 2575779 2774672 2994448 3121506 3182308 3213816 3335727 3368754 3434372 4162008 4447636 4491672 4773462 4820724 5151558 6243012 6364616 6427632 6671454 6737508 6868744 7160193 7727337 8324016 8895272 8983344 9546924 9641448 10007181 10303116 12486024 12729232 13342908 13475016 13524809 13737488 14320386 14596081 15454674 17790544 18902453 19093848 19282896 20014362 20606232 24972048 26685816 26950032 27049618 28640772 29192162 30909348 37804906 38187696 40028724 40574427 41212464 43788243 53371632 54099236 56707359 57281544 58384324 61818696 75609812 80057448 80353277 81148854 86717893 87576486 108198472 113414718 114563088 116768648 121723281 123637392 131364729 151219624 160114896 160706554 162297708 170122077 173435786 175152972 216396944 226829436 233537296 241059831 243446562 260153679 262729458 302439248 321413108 324595416 340244154 346871572 350305944 453658872 482119662 486893124 520307358 525458916 642826216 649190832 680488308 693743144 700611888 723179493 780461037 907317744 964239324 973786248 1040614716 1050917832 1285652432 1360976616 1366005709 1387486288 1446358986 1474204181 1560922074 1928478648 1947572496 2081229432 2101835664 2721953232 2732011418 2892717972 2948408362 3121844148 3856957296 4098017127 4162458864 4422612543 5464022836 5785435944 5896816724 6243688296 8196034254 8758507193 8845225086 10928045672 11570871888 11793633448 12294051381 12487376592 13267837629 16392068508 17517014386 17690450172 21856091344 23587266896 24588102762 26275521579 26535675258 32784137016 35034028772 35380900344 49176205524 52551043158 53071350516 65568274032 70068057544 70761800688 78826564737 98352411048 105102086316 106142701032 140136115088 148894622281 157653129474 196704822096 210204172632 212285402064 297789244562 315306258948 420408345264 446683866843 595578489124 630612517896 893367733686 1191156978248 1261225035792 1340051600529 1786735467372 2382313956496 2680103201058 3573470934744 5360206402116 7146941869488 10720412804232 21440825608464
• Sum of all divisors σ(n): 64766423109960
• Sum of proper divisors (its aliquot sum) s(n): 43325597501496
• 21440825608464 is an abundant number, because the sum of its proper divisors (43325597501496) is greater than itself. Its abundance is 21884771893032

Bases of 21440825608464

• Binary: 100111000000000010100110010110100100100010000₂
• Hexadecimal: 0x138014CB4910
• Base-36: 7LLS1ZC40

Squares and roots of 21440825608464

• 21440825608464 squared (21440825608464²) is 459709002772565655828439296
• 21440825608464 cubed (21440825608464³) is 9856540559087473690634186176654687801344
• The square root of 21440825608464 is 4630423.9123933351
• The cube root of 21440825608464 is 27780.9548179921

Scales and comparisons

• 21,440,825,608,464 seconds is equal to 681,751 years, 48 weeks, 3 days, 19 hours, 14 minutes, 24 seconds.
• To count from 1 to 21,440,825,608,464 would take you about one million, seven hundred four thousand, three hundred seventy-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 21440825608464 cubic inches would be around 2315.1 feet tall.

Recreational maths with 21440825608464

• 21440825608464 backwards is 46480652804412
• The number of decimal digits it has is: 14
• The sum of 21440825608464's digits is 54
• More coming soon!