820140229840

Names of 820140229840

• Cardinal: 820140229840 can be written as Eight hundred twenty billion, one hundred forty million, two hundred twenty-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.2014022984 × 10¹¹

Factors of 820140229840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6659

Divisors of 820140229840

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 41 80 82 157 164 205 257 314 328 410 514 628 656 785 820 1028 1256 1285 1570 1640 2056 2512 2570 3140 3280 4112 5140 6197 6280 6437 10280 10537 12394 12560 12874 20560 21074 24788 25748 30985 32185 40349 42148 49576 51496 52685 61970 64370 80698 84296 99152 102992 105370 123940 128740 161396 168592 201745 210740 247880 254077 257480 322792 403490 421480 495760 508154 514960 645584 806980 842960 972929 1016308 1270385 1592629 1613960 1654309 1945858 2032616 2540770 3185258 3227920 3308618 3891716 4065232 4864645 5081540 6370516 6617236 7783432 7963145 8271545 9729290 10163080 12741032 13234472 15566864 15926290 16543090 19458580 20326160 25482064 26468944 31852580 33086180 38917160 39890089 63705160 65297789 66172360 77834320 79780178 127410320 130595578 132344720 159560356 199450445 250042753 261191156 319120712 326488945 398900890 500085506 522382312 638241424 652977890 797801780 1000171012 1044764624 1250213765 1305955780 1595603560 2000342024 2500427530 2611911560 3191207120 4000684048 5000855060 5223823120 10001710120 10251752873 20003420240 20503505746 41007011492 51258764365 82014022984 102517528730 164028045968 205035057460 410070114920 820140229840
• Sum of all divisors σ(n): 1973742984864
• Sum of proper divisors (its aliquot sum) s(n): 1153602755024
• 820140229840 is an abundant number, because the sum of its proper divisors (1153602755024) is greater than itself. Its abundance is 333462525184

Bases of 820140229840

• Binary: 1011111011110100001010101100010011010000₂
• Hexadecimal: 0xBEF42AC4D0
• Base-36: AGRMBFF4

Squares and roots of 820140229840

• 820140229840 squared (820140229840²) is 672629996602008026425600
• 820140229840 cubed (820140229840³) is 551650920010449281798216377659904000
• The square root of 820140229840 is 905615.9394798659
• The cube root of 820140229840 is 9360.4351445615

Scales and comparisons

• 820,140,229,840 seconds is equal to 26,077 years, 47 weeks, 6 days, 18 hours, 30 minutes, 40 seconds.
• To count from 1 to 820,140,229,840 would take you about fifty-two thousand, one 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 820140229840 cubic inches would be around 780 feet tall.

Recreational maths with 820140229840

• 820140229840 backwards is 048922041028
• 820140229840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 820140229840's digits is 40
• More coming soon!