21131960265

Names of 21131960265

• Cardinal: 21131960265 can be written as Twenty-one billion, one hundred thirty-one million, nine hundred sixty thousand, two hundred sixty-five.

Scientific notation

• Scientific notation: 2.1131960265 × 10¹⁰

Factors of 21131960265

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 110

Divisors of 21131960265

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 13 15 19 27 29 39 41 45 57 65 87 95 117 123 135 145 169 171 195 205 247 261 285 351 369 377 435 507 513 533 551 585 615 741 779 783 845 855 1107 1131 1189 1235 1305 1521 1599 1653 1681 1755 1845 1885 2223 2337 2535 2565 2665 2755 3211 3393 3567 3705 3895 3915 4563 4797 4901 4959 5043 5535 5655 5945 6669 6929 7011 7163 7605 7995 8265 8405 9633 10127 10179 10701 11115 11685 14391 14703 14877 15129 15457 16055 16965 17835 20787 21033 21489 21853 22591 22815 23985 24505 24795 25215 28899 30381 31939 32103 33345 34645 35055 35815 44109 45387 46371 48165 48749 50635 50895 53505 62361 64467 65559 67773 71955 73515 74385 75645 77285 86697 91143 93119 95817 103935 105165 107445 109265 112955 131651 132327 139113 144495 146247 151905 159695 160515 187083 193401 196677 200941 203319 220545 226935 231855 243745 273429 279357 284089 287451 293683 311805 322335 327795 338865 394953 415207 417339 433485 438741 455715 465595 479085 590031 602823 609957 633737 658255 661635 695565 731235 838071 852267 862353 881049 926231 935415 967005 983385 1004705 1016595 1184859 1245621 1316223 1367145 1396785 1420445 1437255 1468415 1808469 1901211 1974765 2076035 2086695 2193705 2514213 2556801 2643147 2778693 2950155 3014115 3049785 3168685 3554577 3736863 3817879 4190355 4261335 4311765 4405245 4631155 5397691 5425407 5703633 5924295 6228105 6581115 7670403 7929441 8238581 8336079 9042345 9506055 11210589 11453637 12041003 12571065 12784005 13215735 13893465 16193073 17110899 17772885 18684315 19089395 24715743 25008237 26988455 27127035 28518165 34360911 36123009 38352015 39647205 41192905 41680395 48579219 56052945 57268185 60205015 74147229 80965365 85554495 103082733 108369027 123578715 125041185 145737657 156533039 171804555 180615045 222441687 242896095 325107081 370736145 469599117 515413665 541845135 728688285 782665195 1112208435 1408797351 1625535405 2347995585 4226392053 7043986755 21131960265
• Sum of all divisors σ(n): 45404496000
• Sum of proper divisors (its aliquot sum) s(n): 24272535735
• 21131960265 is an abundant number, because the sum of its proper divisors (24272535735) is greater than itself. Its abundance is 3140575470

Bases of 21131960265

• Binary: 10011101011100100000001111111001001₂
• Hexadecimal: 0x4EB901FC9
• Base-36: 9PHF8W9

Squares and roots of 21131960265

• 21131960265 squared (21131960265²) is 446559744641538870225
• 21131960265 cubed (21131960265³) is 9436682779713546074047691609625
• The square root of 21131960265 is 145368.3606050505
• The cube root of 21131960265 is 2764.6909769561

Scales and comparisons

• 21,131,960,265 seconds is equal to 671 years, 48 weeks, 2 days, 20 hours, 57 minutes, 45 seconds.
• To count from 1 to 21,131,960,265 would take you about one thousand, three hundred forty-three 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 21131960265 cubic inches would be around 230.4 feet tall.

Recreational maths with 21131960265

• 21131960265 backwards is 56206913112
• The number of decimal digits it has is: 11
• The sum of 21131960265's digits is 36
• More coming soon!