820686164928168

Names of 820686164928168

• Cardinal: 820686164928168 can be written as Eight hundred twenty trillion, six hundred eighty-six billion, one hundred sixty-four million, nine hundred twenty-eight thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 8.20686164928168 × 10¹⁴

Factors of 820686164928168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 9063147882

Divisors of 820686164928168

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 44 49 56 66 77 84 88 98 132 147 154 168 196 231 264 294 308 343 392 462 539 588 616 686 924 1029 1078 1176 1372 1617 1848 2058 2156 2744 3234 3773 4116 4312 6468 7546 8232 11319 12936 15092 22638 30184 45276 90552 9063147859 18126295718 27189443577 36252591436 54378887154 63442035013 72505182872 99694626449 108757774308 126884070026 190326105039 199389252898 217515548616 253768140052 299083879347 380652210078 398778505796 444094245091 507536280104 598167758694 697862385143 761304420156 797557011592 888188490182 1196335517388 1332282735273 1395724770286 1522608840312 1776376980364 2093587155429 2392671034776 2664565470546 2791449540572 3108659715637 3552753960728 4187174310858 4885036696001 5329130941092 5582899081144 6217319431274 8374348621716 9325979146911 9770073392002 10658261882184 12434638862548 14655110088003 16748697243432 18651958293822 19540146784004 24869277725096 29310220176006 34195256872007 37303916587644 39080293568008 58620440352012 68390513744014 74607833175288 102585770616021 117240880704024 136781027488028 205171541232042 273562054976056 410343082464084 820686164928168
• Sum of all divisors σ(n): 2610186583680000
• Sum of proper divisors (its aliquot sum) s(n): 1789500418751832
• 820686164928168 is an abundant number, because the sum of its proper divisors (1789500418751832) is greater than itself. Its abundance is 968814253823664

Bases of 820686164928168

• Binary: 10111010100110100011100011010101010010011010101000₂
• Hexadecimal: 0x2EA68E35526A8
• Base-36: 82WQ0P3XRC

Squares and roots of 820686164928168

• 820686164928168 squared (820686164928168²) is 673525781304504167796599836224
• 820686164928168 cubed (820686164928168³) is 552753290439041518772842876249137281524357632
• The square root of 820686164928168 is 28647620.5805677341
• The cube root of 820686164928168 is 93625.1164169993

Scales and comparisons

• 820,686,164,928,168 seconds is equal to 26,095,281 years, 25 weeks, 5 days, 10 hours, 42 minutes, 48 seconds.
• To count from 1 to 820,686,164,928,168 would take you about sixty-five million, two hundred thirty-eight thousand, two hundred three 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 820686164928168 cubic inches would be around 7802.1 feet tall.

Recreational maths with 820686164928168

• 820686164928168 backwards is 861829461686028
• The number of decimal digits it has is: 15
• The sum of 820686164928168's digits is 75
• More coming soon!