21241850994

Names of 21241850994

• Cardinal: 21241850994 can be written as Twenty-one billion, two hundred forty-one million, eight hundred fifty thousand, nine hundred ninety-four.

Scientific notation

• Scientific notation: 2.1241850994 × 10¹⁰

Factors of 21241850994

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 705

Divisors of 21241850994

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 81 91 117 126 162 169 182 189 234 271 273 338 351 378 409 507 542 546 567 702 813 818 819 1014 1053 1134 1183 1227 1521 1626 1638 1897 2106 2366 2439 2454 2457 2863 3042 3523 3549 3681 3794 4563 4878 4914 5317 5691 5726 7046 7098 7317 7362 7371 8589 9126 10569 10634 10647 11043 11382 13689 14634 14742 15951 17073 17178 21138 21294 21951 22086 24661 25767 27378 31707 31902 31941 33129 34146 37219 43902 45799 47853 49322 51219 51534 63414 63882 66258 69121 73983 74438 77301 91598 95121 95706 95823 102438 110839 111657 137397 138242 143559 147966 153657 154602 190242 191646 207363 221678 221949 223314 231903 274794 285363 287118 307314 320593 332517 334971 412191 414726 430677 443898 463806 483847 570726 622089 641186 665034 665847 669942 775873 824382 861354 961779 967694 997551 1004913 1236573 1244178 1331694 1440907 1451541 1551746 1866267 1923558 1995102 1997541 2009826 2327619 2473146 2881814 2885337 2903082 2992653 3014739 3709719 3732534 3995082 4322721 4354623 4655238 5598801 5770674 5985306 6029478 6982857 7419438 8645442 8656011 8709246 8977959 10086349 11197602 12968163 13063869 13965714 17312022 17955918 18731791 20172698 20948571 25936326 25968033 26127738 30259047 37463582 38904489 39191607 41897142 51936066 56195373 60518094 62845713 77808978 78383214 90777141 112390746 116713467 125691426 131122537 168586119 181554282 233426934 262245074 272331423 337172238 393367611 505758357 544662846 786735222 816994269 1011516714 1180102833 1517275071 1633988538 2360205666 3034550142 3540308499 7080616998 10620925497 21241850994
• Sum of all divisors σ(n): 59265296640
• Sum of proper divisors (its aliquot sum) s(n): 38023445646
• 21241850994 is an abundant number, because the sum of its proper divisors (38023445646) is greater than itself. Its abundance is 16781594652

Bases of 21241850994

• Binary: 10011110010000111001110110001110010₂
• Hexadecimal: 0x4F21CEC72
• Base-36: 9RAUL4I

Squares and roots of 21241850994

• 21241850994 squared (21241850994²) is 451216233651298788036
• 21241850994 cubed (21241850994³) is 9584668001294777410033501907784
• The square root of 21241850994 is 145745.8438309649
• The cube root of 21241850994 is 2769.4750226511

Scales and comparisons

• 21,241,850,994 seconds is equal to 675 years, 22 weeks, 18 hours, 9 minutes, 54 seconds.
• To count from 1 to 21,241,850,994 would take you about one thousand, three hundred fifty 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 21241850994 cubic inches would be around 230.8 feet tall.

Recreational maths with 21241850994

• 21241850994 backwards is 49905814212
• The number of decimal digits it has is: 11
• The sum of 21241850994's digits is 45
• More coming soon!