21642308031336001

Names of 21642308031336001

• Cardinal: 21642308031336001 can be written as Twenty-one quadrillion, six hundred forty-two trillion, three hundred eight billion, thirty-one million, three hundred thirty-six thousand and one.

Scientific notation

• Scientific notation: 2.1642308031336001 × 10¹⁶

Factors of 21642308031336001

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 502386

Divisors of 21642308031336001

• Number of divisors d(n): 9
• Complete list of divisors:
  1 293 85849 502093 147113249 43104181957 252097380649 73864532530157 21642308031336001
• Sum of all divisors σ(n): 21716467913130249
• Sum of proper divisors (its aliquot sum) s(n): 74159881794248
• 21642308031336001 is a deficient number, because the sum of its proper divisors (74159881794248) is less than itself. Its deficiency is 21568148149541753

Bases of 21642308031336001

• Binary: 1001100111000111001000010000010010100111100111001000001₂
• Hexadecimal: 0x4CE3908253CE41
• Base-36: 5X3K31Y0U2P

Squares and roots of 21642308031336001

• 21642308031336001 squared (21642308031336001²) is 468389496923230771242560958672001
• 21642308031336001 cubed (21642308031336001³) is 10137029771055066450284903347242378061814782008001
• 21642308031336001 is a perfect square number. Its square root is 147113249
• The cube root of 21642308031336001 is 278677.0415080755

Scales and comparisons

• 21,642,308,031,336,001 seconds is equal to 688,158,451 years, 17 weeks, 5 days, 14 hours, 40 minutes, 1 second.
• To count from 1 to 21,642,308,031,336,001 would take you about two billion, sixty-four million, four hundred seventy-five thousand, three hundred fifty-four 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 21642308031336001 cubic inches would be around 23223.1 feet tall.

Recreational maths with 21642308031336001

• 21642308031336001 backwards is 10063313080324612
• The number of decimal digits it has is: 17
• The sum of 21642308031336001's digits is 43
• More coming soon!