21013238246

Names of 21013238246

• Cardinal: 21013238246 can be written as Twenty-one billion, thirteen million, two hundred thirty-eight thousand, two hundred forty-six.

Scientific notation

• Scientific notation: 2.1013238246 × 10¹⁰

Factors of 21013238246

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 128

Divisors of 21013238246

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 7 11 13 14 17 22 26 34 37 41 74 77 82 91 119 121 143 154 182 187 221 238 242 259 286 287 374 407 442 451 481 518 533 574 629 697 814 847 902 962 1001 1066 1258 1309 1369 1394 1517 1547 1573 1694 2002 2057 2431 2618 2738 2849 3034 3094 3146 3157 3367 3731 4114 4403 4477 4862 4879 4961 5291 5698 5863 6314 6734 6919 7462 7667 8177 8806 8954 9061 9583 9758 9922 10582 10619 11011 11726 13838 14399 15059 15334 16354 16687 17017 17797 18122 19166 19721 21238 22022 23273 25789 26741 28798 30118 31339 33374 34034 34727 35594 37037 39442 41041 46546 48433 51578 53482 53669 56129 57239 58201 62678 63427 64493 69454 74074 76109 82082 84337 89947 96866 99671 105413 107338 112258 114478 116402 116809 124579 126854 128986 138047 152218 162911 165649 168674 179894 180523 183557 187187 195767 199342 210826 216931 233618 249158 256003 276094 283679 302549 325822 331298 335257 361046 367114 374374 391534 392903 407407 433862 451451 512006 532763 567358 590359 605098 617419 629629 670514 697697 729677 785806 814814 902902 954193 989417 1065526 1096381 1159543 1180718 1234838 1259258 1284899 1370369 1395394 1459354 1518517 1792021 1908386 1978834 1985753 2117843 2153437 2192762 2319086 2346799 2386241 2569798 2740738 2816033 3037034 3120469 3328039 3584042 3687827 3971506 4235686 4306874 4321933 4693598 4772482 5107739 5632066 6240938 6656078 6679351 6791609 6925919 7375654 7674667 8026447 8643866 10215478 10496123 12404509 13358702 13583218 13851838 15074059 15349334 16052894 16703687 19712231 20992246 21843283 23296273 24809018 25814789 30148118 33407374 36608429 39424462 40566097 43686566 46592546 47541263 51629578 56185129 73216858 73472861 81132194 86831563 88290917 95082526 112370258 115457353 136449599 146945722 173663126 176581834 230914706 256259003 272899198 283962679 512518006 567925358 618036419 808201471 955147193 1236072838 1500945589 1616402942 1910294386 3001891178 10506619123 21013238246
• Sum of all divisors σ(n): 47534268096
• Sum of proper divisors (its aliquot sum) s(n): 26521029850
• 21013238246 is an abundant number, because the sum of its proper divisors (26521029850) is greater than itself. Its abundance is 5507791604

Bases of 21013238246

• Binary: 10011100100011111001001000111100110₂
• Hexadecimal: 0x4E47C91E6
• Base-36: 9NIQMEE

Squares and roots of 21013238246

• 21013238246 squared (21013238246²) is 441556181583157156516
• 21013238246 cubed (21013238246³) is 9278525242600918790730619310936
• The square root of 21013238246 is 144959.4365538167
• The cube root of 21013238246 is 2759.5037897931

Scales and comparisons

• 21,013,238,246 seconds is equal to 668 years, 8 weeks, 18 hours, 37 minutes, 26 seconds.
• To count from 1 to 21,013,238,246 would take you about one thousand, three hundred thirty-six 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 21013238246 cubic inches would be around 230 feet tall.

Recreational maths with 21013238246

• 21013238246 backwards is 64283231012
• The number of decimal digits it has is: 11
• The sum of 21013238246's digits is 32
• More coming soon!