21396808893743361

Names of 21396808893743361

• Cardinal: 21396808893743361 can be written as Twenty-one quadrillion, three hundred ninety-six trillion, eight hundred eight billion, eight hundred ninety-three million, seven hundred forty-three thousand, three hundred sixty-one.

Scientific notation

• Scientific notation: 2.1396808893743361 × 10¹⁶

Factors of 21396808893743361

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 873

Divisors of 21396808893743361

• Number of divisors d(n): 243
• Complete list of divisors:
  1 3 9 13 23 39 69 117 169 207 299 313 507 521 529 897 939 1521 1563 1587 2691 2817 3887 4069 4689 4761 6773 6877 7199 11661 11983 12207 20319 20631 21597 34983 35949 36621 52897 60957 61893 64791 88049 89401 93587 97969 107847 155779 158691 163073 165577 264147 268203 271441 275609 280761 293907 467337 476073 489219 496731 792441 804609 814323 826827 842283 881721 1216631 1273597 1402011 1467657 1490193 2025127 2119949 2152501 2253287 2442969 2480481 3528733 3582917 3649893 3750679 3820791 6075381 6243143 6359847 6457503 6759861 10586199 10748751 10949679 11252037 11462373 16556761 18226143 18729429 19079541 19372509 20279583 27559337 27982513 29292731 31758597 32246253 33756111 45873529 46577921 48758827 49670283 51041849 51825601 56188287 81160859 82678011 83947539 84961033 86265617 87878193 137620587 139733763 143592289 146276481 149010849 153125547 155476803 243482577 248034033 251842617 254883099 258796851 263634579 380805503 412861761 419201289 430776867 438829443 459376641 466430409 633864751 663544037 673732813 730447731 764649297 776390553 1055091167 1104493429 1121453021 1142416509 1173962527 1292330601 1866699757 1901594253 1954103759 1990632111 2021198439 3165273501 3313480287 3364359063 3427249527 3521887581 5600099271 5704782759 5862311277 5971896333 6063595317 8626072481 8758526569 9495820503 9940440861 10093077189 10565662743 14358414577 14578889273 15261512851 16800297813 17586933831 24267096841 25403348867 25878217443 26275579707 26592803329 27001138121 43075243731 43736667819 44944386457 45784538553 72801290523 76210046601 77634652329 78826739121 79778409987 81003414363 129225731193 131210003457 134833159371 137353615659 198399667063 218403871569 228630139803 239335229961 243010243089 330243535271 345706443277 351014795573 404499478113 584277023941 595199001189 611634476567 990730605813 1037119329831 1053044386719 1752831071823 1785597003567 1834903429701 2972191817439 3111357989493 3159133160157 4494183762601 4563192342449 5258493215469 5504710289103 7595601311233 7951248195371 13482551287803 13689577027347 14067592961041 22786803933699 23853744586113 40447653863409 41068731082041 42202778883123 68360411801097 71561233758339 103366226539823 126608336649369 182878708493533 310098679619469 548636125480599 930296038858407 1645908376441797 2377423210415929 7132269631247787 21396808893743361
• Sum of all divisors σ(n): 35164771602938523
• Sum of proper divisors (its aliquot sum) s(n): 13767962709195162
• 21396808893743361 is a deficient number, because the sum of its proper divisors (13767962709195162) is less than itself. Its deficiency is 7628846184548199

Bases of 21396808893743361

• Binary: 1001100000001000100100011001001011100000100000100000001₂
• Hexadecimal: 0x4C0448C9704101
• Base-36: 5UOJAB23M69

Squares and roots of 21396808893743361

• 21396808893743361 squared (21396808893743361²) is 457823430835374991960571331576321
• 21396808893743361 cubed (21396808893743361³) is 9795960456662450130340971362231879146634558554881
• 21396808893743361 is a perfect square number. Its square root is 146276481
• The cube root of 21396808893743361 is 277619.3092191253

Scales and comparisons

• 21,396,808,893,743,361 seconds is equal to 680,352,338 years, 7 weeks, 3 days, 23 hours, 49 minutes, 21 seconds.
• To count from 1 to 21,396,808,893,743,361 would take you about two billion, forty-one million, fifty-seven thousand and fourteen 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 21396808893743361 cubic inches would be around 23134.9 feet tall.

Recreational maths with 21396808893743361

• 21396808893743361 backwards is 16334739880869312
• The number of decimal digits it has is: 17
• The sum of 21396808893743361's digits is 81
• More coming soon!