81443740628322

Names of 81443740628322

• Cardinal: 81443740628322 can be written as Eighty-one trillion, four hundred forty-three billion, seven hundred forty million, six hundred twenty-eight thousand, three hundred twenty-two.

Scientific notation

• Scientific notation: 8.1443740628322 × 10¹³

Factors of 81443740628322

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1993

Divisors of 81443740628322

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 127 162 243 254 381 486 729 762 1143 1458 1861 2286 3429 3722 5583 6858 10287 11166 16129 16749 20574 30861 32258 33498 48387 50247 61722 92583 96774 100494 145161 150741 185166 236347 290322 301482 435483 452223 472694 709041 870966 904446 1306449 1356669 1418082 2127123 2612898 2713338 3463321 3919347 4254246 6381369 6926642 7838694 10389963 11758041 12762738 19144107 20779926 23516082 30016069 31169889 38288214 57432321 60032138 62339778 90048207 93509667 114864642 172296963 180096414 187019334 270144621 280529001 344593926 439841767 540289242 561058002 810433863 841587003 879683534 1319525301 1620867726 1683174006 2431301589 2524761009 2639050602 3958575903 4862603178 5049522018 7293904767 7917151806 11875727709 14587809534 21881714301 23751455418 35627183127 43763428602 55859904409 71254366254 106881549381 111719808818 167579713227 213763098762 320644648143 335159426454 502739139681 641289296286 1005478279362 1508217419043 3016434838086 4524652257129 9049304514258 13573956771387 27147913542774 40721870314161 81443740628322
• Sum of all divisors σ(n): 184717481021649
• Sum of proper divisors (its aliquot sum) s(n): 103273740393327
• 81443740628322 is an abundant number, because the sum of its proper divisors (103273740393327) is greater than itself. Its abundance is 21829999765005

Bases of 81443740628322

• Binary: 10010100001001010011001001110101011010101100010₂
• Hexadecimal: 0x4A12993AB562
• Base-36: SVAQKCS4I

Squares and roots of 81443740628322

• 81443740628322 squared (81443740628322²) is 6633082887533387603348535684
• 81443740628322 cubed (81443740628322³) is 540223082258430367347094435339576798042248
• The square root of 81443740628322 is 9024618.5863072351
• The cube root of 81443740628322 is 43346.3537268411

Scales and comparisons

• 81,443,740,628,322 seconds is equal to 2,589,659 years, 1 week, 3 days, 21 hours, 38 minutes, 42 seconds.
• To count from 1 to 81,443,740,628,322 would take you about six million, four hundred seventy-four thousand, one hundred forty-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 81443740628322 cubic inches would be around 3612.2 feet tall.

Recreational maths with 81443740628322

• 81443740628322 backwards is 22382604734418
• 81443740628322 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81443740628322's digits is 54
• More coming soon!