820669743100129

Names of 820669743100129

• Cardinal: 820669743100129 can be written as Eight hundred twenty trillion, six hundred sixty-nine billion, seven hundred forty-three million, one hundred thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 8.20669743100129 × 10¹⁴

Factors of 820669743100129

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 304

Divisors of 820669743100129

• Number of divisors d(n): 108
• Complete list of divisors:
  1 13 19 31 169 241 247 361 403 589 961 3133 3211 4579 4693 5239 7471 7657 11191 12493 18259 40729 58081 59527 61009 87001 97123 99541 141949 145483 162409 231601 237367 346921 755053 773851 1103539 1131013 1262599 1800511 1845337 1891279 2697031 3010813 3085771 4400419 4509973 9815689 13997521 14346007 14703169 20967241 23406643 23989381 34209709 35061403 39140569 55815841 57205447 58629649 83607961 181967773 186498091 265952899 272574133 304286359 433923151 444726217 455798239 649984471 725605933 743670811 1060500979 1086903493 2365581049 3457387687 3543463729 5053105081 5641000963 5781440821 8244539869 8449798123 9432877129 13451617681 13786512727 14129745409 20149518601 44946039931 65690366053 73333012519 107179018297 109847375599 156646257511 174871029853 179224665451 255580735939 261943741813 853974758689 1393327237861 2036401347643 2273323388089 3322549567207 3405268643569 4856033982841 26473217519359 43193144373691 63128441776933 820669743100129
• Sum of all divisors σ(n): 973155501933516
• Sum of proper divisors (its aliquot sum) s(n): 152485758833387
• 820669743100129 is a deficient number, because the sum of its proper divisors (152485758833387) is less than itself. Its deficiency is 668183984266742

Bases of 820669743100129

• Binary: 10111010100110010100010000100000111111000011100001₂
• Hexadecimal: 0x2EA651083F0E1
• Base-36: 82WIH3Z65D

Squares and roots of 820669743100129

• 820669743100129 squared (820669743100129²) is 673498827240031730403719816641
• 820669743100129 cubed (820669743100129³) is 552720109529315003574983165300370654783446689
• The square root of 820669743100129 is 28647333.9614723835
• The cube root of 820669743100129 is 93624.4919371909

Scales and comparisons

• 820,669,743,100,129 seconds is equal to 26,094,759 years, 17 weeks, 1 day, 23 hours, 48 minutes, 49 seconds.
• To count from 1 to 820,669,743,100,129 would take you about sixty-five million, two hundred thirty-six thousand, eight hundred ninety-eight 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 820669743100129 cubic inches would be around 7802 feet tall.

Recreational maths with 820669743100129

• 820669743100129 backwards is 921001347966028
• The number of decimal digits it has is: 15
• The sum of 820669743100129's digits is 58
• More coming soon!