21317869470

Names of 21317869470

• Cardinal: 21317869470 can be written as Twenty-one billion, three hundred seventeen million, eight hundred sixty-nine thousand, four hundred seventy.

Scientific notation

• Scientific notation: 2.131786947 × 10¹⁰

Factors of 21317869470

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 113

Divisors of 21317869470

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 10 15 19 23 30 38 46 57 61 69 95 114 115 122 138 183 190 230 285 305 345 361 366 437 529 570 610 690 722 874 915 1058 1083 1159 1311 1403 1587 1805 1830 2166 2185 2318 2622 2645 2806 3174 3477 3610 3721 4209 4370 5290 5415 5795 6555 6954 7015 7442 7935 8303 8418 10051 10830 11163 11590 13110 14030 15870 16606 17385 18605 20102 21045 22021 22326 24909 26657 30153 32269 34770 37210 41515 42090 44042 49818 50255 53314 55815 60306 64538 66063 70699 79971 83030 85583 96807 100510 110105 111630 124545 132126 133285 141398 150765 159942 161345 171166 190969 193614 212097 220210 249090 256749 266570 301530 322690 330315 353495 381938 399855 424194 427915 484035 506483 513498 572907 613111 660630 706990 799710 855830 954845 968070 1012966 1060485 1145814 1226222 1283745 1343281 1519449 1626077 1839333 1909690 1968409 2120970 2532415 2567490 2686562 2864535 3038898 3065555 3252154 3678666 3936818 4029843 4878231 5064830 5729070 5905227 6131110 6716405 7597245 8059686 8130385 9196665 9756462 9842045 11649109 11810454 13432810 15194490 16260770 18393330 19684090 20149215 23298218 24391155 29526135 30895463 34947327 37399771 40298430 48782310 58245545 59052270 61790926 69894654 74799542 92686389 112199313 116491090 154477315 174736635 185372778 186998855 224398626 308954630 349473270 373997710 463431945 560996565 710595649 926863890 1121993130 1421191298 2131786947 3552978245 4263573894 7105956490 10658934735 21317869470
• Sum of all divisors σ(n): 57387716568
• Sum of proper divisors (its aliquot sum) s(n): 36069847098
• 21317869470 is an abundant number, because the sum of its proper divisors (36069847098) is greater than itself. Its abundance is 14751977628

Bases of 21317869470

• Binary: 10011110110101001001101111110011110₂
• Hexadecimal: 0x4F6A4DF9E
• Base-36: 9SK3XCU

Squares and roots of 21317869470

• 21317869470 squared (21317869470²) is 454451558739958080900
• 21317869470 cubed (21317869470³) is 9687939009656464041897900123000
• The square root of 21317869470 is 146006.4021541521
• The cube root of 21317869470 is 2772.7748076699

Scales and comparisons

• 21,317,869,470 seconds is equal to 677 years, 43 weeks, 5 days, 14 hours, 24 minutes, 30 seconds.
• To count from 1 to 21,317,869,470 would take you about one thousand, three hundred fifty-five 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 21317869470 cubic inches would be around 231.1 feet tall.

Recreational maths with 21317869470

• 21317869470 backwards is 07496871312
• The number of decimal digits it has is: 11
• The sum of 21317869470's digits is 48
• More coming soon!