20841729090

Names of 20841729090

• Cardinal: 20841729090 can be written as Twenty billion, eight hundred forty-one million, seven hundred twenty-nine thousand and ninety.

Scientific notation

• Scientific notation: 2.084172909 × 10¹⁰

Factors of 20841729090

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1051

Divisors of 20841729090

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 19 21 26 30 35 38 39 42 49 57 61 65 70 78 91 95 98 105 114 122 130 133 147 182 183 190 195 210 245 247 266 273 285 294 305 366 390 399 427 455 490 494 546 570 610 637 665 735 741 793 798 854 910 915 931 941 1159 1235 1274 1281 1330 1365 1470 1482 1586 1729 1830 1862 1882 1911 1995 2135 2318 2379 2470 2562 2730 2793 2823 2989 3185 3458 3477 3705 3822 3965 3990 4270 4655 4705 4758 5187 5551 5586 5646 5795 5978 6370 6405 6587 6954 7410 7930 8113 8645 8967 9310 9410 9555 10374 11102 11590 11895 12103 12233 12810 13174 13965 14115 14945 15067 16226 16653 17290 17385 17879 17934 19110 19761 23790 24206 24339 24466 25935 27755 27930 28230 29890 30134 32935 33306 34770 35758 36309 36699 38857 39522 40565 44835 45201 46109 48678 51870 53637 55510 56791 57401 60515 61165 65870 72618 73398 75335 77714 81130 83265 85631 89395 89670 90402 92218 98805 105469 107274 113582 114802 116571 121030 121695 122330 125153 138327 150670 166530 170373 171262 172203 178790 181545 183495 194285 197610 210938 226005 230545 232427 233142 243390 250306 256893 268185 276654 283955 287005 316407 340746 344406 363090 366990 375459 388570 401807 428155 452010 461090 464854 513786 527345 536370 567910 574010 582855 599417 625765 632814 691635 697281 738283 746213 750918 803614 851865 856310 861015 876071 1054690 1090619 1162135 1165710 1198834 1205421 1251530 1284465 1383270 1394562 1476566 1492426 1582035 1626989 1703730 1722030 1752142 1798251 1877295 2009035 2181238 2214849 2238639 2324270 2410842 2568930 2628213 2812649 2997085 3164070 3253978 3271857 3486405 3596502 3691415 3731065 3754590 4018070 4380355 4429698 4477278 4880967 5223491 5256426 5453095 5625298 5994170 6027105 6543714 6972810 7382830 7462130 7634333 8134945 8437947 8760710 8991255 9761934 10446982 10906190 11074245 11193195 11388923 12054210 13141065 14063245 14178047 15268666 15670473 16269890 16359285 16875894 17982510 22148490 22386390 22777846 22902999 24404835 26117455 26282130 28126490 28356094 31340946 32718570 34166769 36564437 38171665 42189735 42534141 45805998 48809670 52234910 53440331 56944615 68333538 70890235 73128874 76343330 78352365 84379470 85068282 99246329 106880662 109693311 113889230 114514995 141780470 156704730 160320993 170833845 182822185 198492658 212670705 219386622 229029990 267201655 297738987 320641986 341667690 365644370 425341410 496231645 534403310 548466555 595477974 694724303 801604965 992463290 1096933110 1389448606 1488694935 1603209930 2084172909 2977389870 3473621515 4168345818 6947243030 10420864545 20841729090
• Sum of all divisors σ(n): 67113204480
• Sum of proper divisors (its aliquot sum) s(n): 46271475390
• 20841729090 is an abundant number, because the sum of its proper divisors (46271475390) is greater than itself. Its abundance is 25429746300

Bases of 20841729090

• Binary: 10011011010010000111000110001000010₂
• Hexadecimal: 0x4DA438C42
• Base-36: 9KOML36

Squares and roots of 20841729090

• 20841729090 squared (20841729090²) is 434377671460952228100
• 20841729090 cubed (20841729090³) is 9053181751334190851492085429000
• The square root of 20841729090 is 144366.6481220643
• The cube root of 20841729090 is 2751.9756201397

Scales and comparisons

• 20,841,729,090 seconds is equal to 662 years, 36 weeks, 3 days, 17 hours, 11 minutes, 30 seconds.
• To count from 1 to 20,841,729,090 would take you about one thousand, three hundred twenty-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 20841729090 cubic inches would be around 229.3 feet tall.

Recreational maths with 20841729090

• 20841729090 backwards is 09092714802
• 20841729090 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20841729090's digits is 42
• More coming soon!