91418128749380168

Names of 91418128749380168

• Cardinal: 91418128749380168 can be written as Ninety-one quadrillion, four hundred eighteen trillion, one hundred twenty-eight billion, seven hundred forty-nine million, three hundred eighty thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 9.1418128749380168 × 10¹⁶

Factors of 91418128749380168

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 225243

Divisors of 91418128749380168

• Number of divisors d(n): 12
• Complete list of divisors:
  1 2 4 8 225241 450482 900964 1801928 50733508081 101467016162 202934032324 405868064648
• Sum of all divisors σ(n): 91418483887315365
• Sum of proper divisors (its aliquot sum) s(n): 355137935197
• 91418128749380168 is a deficient number, because the sum of its proper divisors (355137935197) is less than itself. Its deficiency is 91417773611444971

Bases of 91418128749380168

• Binary: 101000100110010000100110111000010001000110100001001001000₂
• Hexadecimal: 0x144C84DC2234248
• Base-36: P050SKN8R48

Squares and roots of 91418128749380168

• 91418128749380168 squared (91418128749380168²) is 8357274264038248799341644191708224
• 91418128749380168 cubed (91418128749380168³) is 764006374663730017641119988124478574063205108101632
• The square root of 91418128749380168 is 302354309.9566800751
• 91418128749380168 is a perfect cube number. Its cube root is 450482

Scales and comparisons

• 91,418,128,749,380,168 seconds is equal to 2,906,813,719 years, 20 weeks, 2 days, 13 hours, 36 minutes, 8 seconds.
• To count from 1 to 91,418,128,749,380,168 would take you about eight billion, seven hundred twenty million, four hundred forty-one thousand, one hundred fifty-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 91418128749380168 cubic inches would be around 37540.2 feet tall.

Recreational maths with 91418128749380168

• 91418128749380168 backwards is 86108394782181419
• The number of decimal digits it has is: 17
• The sum of 91418128749380168's digits is 80
• More coming soon!