21818120310

Names of 21818120310

• Cardinal: 21818120310 can be written as Twenty-one billion, eight hundred eighteen million, one hundred twenty thousand, three hundred ten.

Scientific notation

• Scientific notation: 2.181812031 × 10¹⁰

Factors of 21818120310

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8791

Divisors of 21818120310

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 270 315 378 405 463 567 630 810 926 945 1134 1389 1890 2315 2778 2835 3241 4167 4630 5670 6482 6945 8311 8334 9723 12501 13890 16205 16622 19446 20835 24933 25002 29169 32410 37503 41555 41670 48615 49866 58177 58338 62505 74799 75006 83110 87507 97230 116354 124665 125010 145845 149598 174531 175014 187515 224397 249330 262521 290885 291690 349062 373995 375030 437535 448794 523593 525042 581770 673191 747990 872655 875070 1047186 1121985 1312605 1346382 1570779 1745310 2243970 2617965 2625210 3141558 3365955 3847993 4712337 5235930 6731910 7695986 7853895 9424674 11543979 15707790 19239965 23087958 23561685 26935951 34631937 38479930 47123370 53871902 57719895 69263874 80807853 103895811 115439790 134679755 161615706 173159685 207791622 242423559 269359510 311687433 346319370 404039265 484847118 519479055 623374866 727270677 808078530 1038958110 1212117795 1454541354 1558437165 2181812031 2424235590 3116874330 3636353385 4363624062 7272706770 10909060155 21818120310
• Sum of all divisors σ(n): 67200325632
• Sum of proper divisors (its aliquot sum) s(n): 45382205322
• 21818120310 is an abundant number, because the sum of its proper divisors (45382205322) is greater than itself. Its abundance is 23564085012

Bases of 21818120310

• Binary: 10100010100011101100001100001110110₂
• Hexadecimal: 0x514761876
• Base-36: A0TY1DI

Squares and roots of 21818120310

• 21818120310 squared (21818120310²) is 476030373861634496100
• 21818120310 cubed (21818120310³) is 10386087968127420729156025791000
• The square root of 21818120310 is 147709.5809688729
• The cube root of 21818120310 is 2794.2962252539

Scales and comparisons

• 21,818,120,310 seconds is equal to 693 years, 38 weeks, 6 days, 12 hours, 58 minutes, 30 seconds.
• To count from 1 to 21,818,120,310 would take you about one thousand, three hundred eighty-seven 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 21818120310 cubic inches would be around 232.9 feet tall.

Recreational maths with 21818120310

• 21818120310 backwards is 01302181812
• 21818120310 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21818120310's digits is 27
• More coming soon!