20939087442

Names of 20939087442

• Cardinal: 20939087442 can be written as Twenty billion, nine hundred thirty-nine million, eighty-seven thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 2.0939087442 × 10¹⁰

Factors of 20939087442

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 905

Divisors of 20939087442

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 6 7 13 14 17 21 26 29 34 39 42 51 58 78 87 91 102 107 119 174 182 203 214 221 238 273 321 357 377 406 442 493 546 609 642 663 714 727 749 754 986 1131 1218 1326 1391 1454 1479 1498 1547 1819 2181 2247 2262 2639 2782 2958 3094 3103 3451 3638 4173 4362 4494 4641 5089 5278 5457 6206 6409 6902 7917 8346 9282 9309 9451 9737 10178 10353 10914 12359 12733 12818 15267 15834 18618 18902 19227 19474 20706 21083 21721 23647 24718 25466 28353 29211 30534 37077 38199 38454 40339 42166 43442 44863 47294 52751 56706 58422 63249 65163 66157 70941 74154 76398 77789 80678 86513 89726 105502 121017 126498 130326 132314 134589 141882 147581 155578 158253 160667 165529 173026 198471 233367 242034 259539 269178 274079 282373 295162 316506 321334 331058 358411 369257 396942 442743 466734 482001 496587 519078 544523 548158 564746 685763 716822 738514 822237 847119 885486 964002 993174 1011257 1075233 1089046 1107771 1124669 1322413 1371526 1633569 1644474 1694238 1918553 2022514 2057289 2150466 2215542 2249338 2255881 2508877 2644826 3033771 3267138 3374007 3837106 3967239 4114578 4511762 4659343 4800341 5017754 5755659 6067542 6748014 6767643 7078799 7526631 7934478 9256891 9318686 9600682 11511318 13535286 13978029 14157598 14401023 15053262 15791167 17191369 18513782 21236397 27770673 27956058 28802046 29326453 31582334 32615401 34382738 38349977 42472794 47373501 51574107 55541346 58652906 65230802 76699954 87979359 94747002 97846203 103148214 115049931 120339583 175958718 195692406 205285171 230099862 240679166 268449839 361018749 410570342 498549701 536899678 615855513 722037498 805349517 997099402 1231711026 1495649103 1610699034 2991298206 3489847907 6979695814 10469543721 20939087442
• Sum of all divisors σ(n): 57062154240
• Sum of proper divisors (its aliquot sum) s(n): 36123066798
• 20939087442 is an abundant number, because the sum of its proper divisors (36123066798) is greater than itself. Its abundance is 15183979356

Bases of 20939087442

• Binary: 10011100000000100010001111001010010₂
• Hexadecimal: 0x4E0111E52
• Base-36: 9MALB9U

Squares and roots of 20939087442

• 20939087442 squared (20939087442²) is 438445382903722103364
• 20939087442 cubed (20939087442³) is 9180646211162208989606958354888
• The square root of 20939087442 is 144703.4465449943
• The cube root of 20939087442 is 2756.2540831095

Scales and comparisons

• 20,939,087,442 seconds is equal to 665 years, 41 weeks, 3 days, 13 hours, 10 minutes, 42 seconds.
• To count from 1 to 20,939,087,442 would take you about one thousand, three hundred thirty-one 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 20939087442 cubic inches would be around 229.7 feet tall.

Recreational maths with 20939087442

• 20939087442 backwards is 24478093902
• The number of decimal digits it has is: 11
• The sum of 20939087442's digits is 48
• More coming soon!