82391127489

Names of 82391127489

• Cardinal: 82391127489 can be written as Eighty-two billion, three hundred ninety-one million, one hundred twenty-seven thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 8.2391127489 × 10¹⁰

Factors of 82391127489

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 16933

Divisors of 82391127489

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 19 33 57 99 121 171 209 239 363 627 717 1089 1881 2151 2299 2629 4541 6897 7887 13623 16661 20691 23661 28919 40869 49951 49983 86757 149853 149949 183271 260271 316559 449559 549461 549813 949677 1648383 1649439 2015981 2849031 3482149 3981979 4945149 6047943 10446447 11945937 18143829 31339341 35837811 38303639 43801769 75657601 114910917 131405307 226972803 344732751 394215921 481819459 680918409 832233611 1445458377 2496700833 4336375131 7490102499 9154569721 27463709163 82391127489
• Sum of all divisors σ(n): 138281270400
• Sum of proper divisors (its aliquot sum) s(n): 55890142911
• 82391127489 is a deficient number, because the sum of its proper divisors (55890142911) is less than itself. Its deficiency is 26500984578

Bases of 82391127489

• Binary: 1001100101110111001001101010111000001₂
• Hexadecimal: 0x132EE4D5C1
• Base-36: 11ULJSU9

Squares and roots of 82391127489

• 82391127489 squared (82391127489²) is 6788297888908651445121
• 82391127489 cubed (82391127489³) is 559295516798382260290028398031169
• The square root of 82391127489 is 287038.5470437725
• The cube root of 82391127489 is 4351.3780368103

Scales and comparisons

• 82,391,127,489 seconds is equal to 2,619 years, 40 weeks, 5 days, 18 minutes, 9 seconds.
• To count from 1 to 82,391,127,489 would take you about five thousand, two hundred thirty-nine 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 82391127489 cubic inches would be around 362.6 feet tall.

Recreational maths with 82391127489

• 82391127489 backwards is 98472119328
• The number of decimal digits it has is: 11
• The sum of 82391127489's digits is 54
• More coming soon!