90729706242

Names of 90729706242

• Cardinal: 90729706242 can be written as Ninety billion, seven hundred twenty-nine million, seven hundred six thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 9.0729706242 × 10¹⁰

Factors of 90729706242

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21726

Divisors of 90729706242

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 49 98 147 294 343 686 1029 2058 2267 4534 6801 13602 15869 19447 31738 38894 47607 58341 95214 111083 116682 136129 222166 272258 333249 408387 666498 777581 816774 952903 1555162 1905806 2332743 2858709 4665486 5717418 6670321 13340642 20010963 40021926 44086349 88172698 132259047 264518094 308604443 617208886 925813329 1851626658 2160231101 4320462202 6480693303 12961386606 15121617707 30243235414 45364853121 90729706242
• Sum of all divisors σ(n): 211718707200
• Sum of proper divisors (its aliquot sum) s(n): 120989000958
• 90729706242 is an abundant number, because the sum of its proper divisors (120989000958) is greater than itself. Its abundance is 30259294716

Bases of 90729706242

• Binary: 1010100011111111010010111001100000010₂
• Hexadecimal: 0x151FE97302
• Base-36: 15OI4HDU

Squares and roots of 90729706242

• 90729706242 squared (90729706242²) is 8231879594759613762564
• 90729706242 cubed (90729706242³) is 746876017452053759282812056724488
• The square root of 90729706242 is 301213.7218687091
• The cube root of 90729706242 is 4493.4836753105

Scales and comparisons

• 90,729,706,242 seconds is equal to 2,884 years, 48 weeks, 8 hours, 10 minutes, 42 seconds.
• To count from 1 to 90,729,706,242 would take you about five thousand, seven hundred sixty-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 90729706242 cubic inches would be around 374.5 feet tall.

Recreational maths with 90729706242

• 90729706242 backwards is 24260792709
• The number of decimal digits it has is: 11
• The sum of 90729706242's digits is 48
• More coming soon!