21389550403984

Names of 21389550403984

• Cardinal: 21389550403984 can be written as Twenty-one trillion, three hundred eighty-nine billion, five hundred fifty million, four hundred three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1389550403984 × 10¹³

Factors of 21389550403984

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6498

Divisors of 21389550403984

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 38 49 56 76 98 109 112 133 152 196 218 266 304 361 392 436 532 722 763 784 872 931 1064 1444 1526 1744 1862 2071 2128 2527 2888 3052 3724 4142 5054 5341 5776 6104 6361 7448 8284 10108 10682 11881 12208 12722 14497 14896 16568 17689 20216 21364 23762 25444 28994 33136 35378 39349 40432 42728 44527 47524 50888 57988 70756 78698 83167 85456 89054 95048 101479 101776 115976 120859 141512 157396 166334 178108 190096 202958 225739 231952 241718 275443 283024 311689 314792 332668 356216 405916 451478 483436 550886 582169 623378 629584 665336 693349 712432 811832 846013 902956 966872 1101772 1164338 1246756 1330672 1386698 1580173 1623664 1692026 1805912 1928101 1933744 2203544 2296321 2328676 2493512 2773396 3160346 3384052 3611824 3856202 4289041 4407088 4592642 4657352 4853443 4987024 5546792 5922091 6320692 6768104 7712404 8578082 9185284 9314704 9706886 11061211 11093584 11844182 12641384 13173631 13536208 15424808 16074247 17156164 18370568 19413772 22122422 23688364 25282768 26347262 30023287 30849616 32148494 33974101 34312328 36741136 38827544 44244844 47376728 52694524 60046574 64296988 67948202 68624656 75575041 77655088 88489688 92215417 94753456 105389048 112519729 120093148 128593976 135896404 151150082 176979376 184430834 210163009 210778096 225039458 240186296 250298989 257187952 271792808 302300164 368861668 420326018 450078916 480372592 500597978 529025287 543585616 604600328 645507919 737723336 840652036 900157832 1001195956 1058050574 1209200656 1291015838 1435925779 1475446672 1681304072 1752092923 1800315664 2002391912 2116101148 2582031676 2871851558 3362608144 3504185846 3703177009 4004783824 4232202296 5164063352 5743703116 7008371692 7406354018 8464404592 10051480453 10328126704 11487406232 12264650461 14016743384 14812708036 20102960906 22974812464 24529300922 27282589801 28033486768 29625416072 40205921812 49058601844 54565179602 59250832144 70360363171 80411843624 98117203688 109130359204 140720726342 160823687248 190978128607 196234407376 218260718408 281441452684 381956257214 436521436816 562882905368 763912514428 1125765810736 1336846900249 1527825028856 2673693800498 3055650057712 5347387600996 10694775201992 21389550403984
• Sum of all divisors σ(n): 51358294456434
• Sum of proper divisors (its aliquot sum) s(n): 29968744052450
• 21389550403984 is an abundant number, because the sum of its proper divisors (29968744052450) is greater than itself. Its abundance is 8579193648466

Bases of 21389550403984

• Binary: 100110111010000100100100011011100000110010000₂
• Hexadecimal: 0x1374248DC190
• Base-36: 7KY821R4G

Squares and roots of 21389550403984

• 21389550403984 squared (21389550403984²) is 457512866484572097603072256
• 21389550403984 cubed (21389550403984³) is 9785994518142956964189168451404342267904
• The square root of 21389550403984 is 4624883.8259986597
• The cube root of 21389550403984 is 27758.7913185137

Scales and comparisons

• 21,389,550,403,984 seconds is equal to 680,121 years, 28 weeks, 18 hours, 53 minutes, 4 seconds.
• To count from 1 to 21,389,550,403,984 would take you about one million, seven hundred thousand, three hundred 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 21389550403984 cubic inches would be around 2313.2 feet tall.

Recreational maths with 21389550403984

• 21389550403984 backwards is 48930405598312
• The number of decimal digits it has is: 14
• The sum of 21389550403984's digits is 61
• More coming soon!