21344042538

Names of 21344042538

• Cardinal: 21344042538 can be written as Twenty-one billion, three hundred forty-four million, forty-two thousand, five hundred thirty-eight.

Scientific notation

• Scientific notation: 2.1344042538 × 10¹⁰

Factors of 21344042538

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 9505

Divisors of 21344042538

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 6 7 9 13 14 17 18 21 26 27 34 39 42 51 54 63 78 81 91 102 117 119 126 153 162 182 189 221 234 238 243 273 306 351 357 378 442 459 486 546 567 663 702 714 729 819 918 1053 1071 1134 1326 1377 1458 1547 1638 1701 1989 2106 2142 2457 2754 3094 3159 3213 3402 3978 4131 4641 4914 5103 5967 6318 6426 7371 8262 9282 9463 9477 9639 10206 11934 12393 13923 14742 17901 18926 18954 19278 22113 24786 27846 28389 28917 35802 41769 44226 53703 56778 57834 66241 66339 83538 85167 86751 107406 123019 125307 132482 132678 160871 161109 170334 173502 198723 246038 250614 255501 321742 322218 369057 375921 397446 482613 511002 596169 738114 751842 766503 861133 965226 1107171 1126097 1127763 1192338 1447839 1533006 1722266 1788507 2091323 2214342 2252194 2255526 2299509 2583399 2895678 3321513 3378291 3577014 4182646 4343517 4599018 5166798 5365521 6273969 6643026 6756582 6898527 7750197 8687034 9964539 10134873 10731042 12547938 13030551 13797054 14639261 15500394 16096563 18821907 19929078 20269746 23250591 26061102 29278522 29893617 30404619 32193126 37643814 39091653 43917783 46501182 48289689 56465721 59787234 60809238 69751773 78183306 87835566 89680851 91213857 96579378 112931442 117274959 131753349 139503546 169397163 179361702 182427714 209255319 234549918 263506698 273641571 338794326 395260047 418510638 508191489 547283142 627765957 790520094 820924713 1016382978 1185780141 1255531914 1524574467 1641849426 2371560282 3049148934 3557340423 7114680846 10672021269 21344042538
• Sum of all divisors σ(n): 62561431296
• Sum of proper divisors (its aliquot sum) s(n): 41217388758
• 21344042538 is an abundant number, because the sum of its proper divisors (41217388758) is greater than itself. Its abundance is 19873346220

Bases of 21344042538

• Binary: 10011111000001101000011111000101010₂
• Hexadecimal: 0x4F8343E2A
• Base-36: 9SZOWMI

Squares and roots of 21344042538

• 21344042538 squared (21344042538²) is 455568151863953481444
• 21344042538 cubed (21344042538³) is 9723666012342267096793929664872
• The square root of 21344042538 is 146096.0045244223
• The cube root of 21344042538 is 2773.9091040055

Scales and comparisons

• 21,344,042,538 seconds is equal to 678 years, 35 weeks, 12 hours, 42 minutes, 18 seconds.
• To count from 1 to 21,344,042,538 would take you about one thousand, three hundred fifty-seven 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 21344042538 cubic inches would be around 231.2 feet tall.

Recreational maths with 21344042538

• 21344042538 backwards is 83524044312
• The number of decimal digits it has is: 11
• The sum of 21344042538's digits is 36
• More coming soon!