1389241988069321

Names of 1389241988069321

• Cardinal: 1389241988069321 can be written as One quadrillion, three hundred eighty-nine trillion, two hundred forty-one billion, nine hundred eighty-eight million, sixty-nine thousand, three hundred twenty-one.

Scientific notation

• Scientific notation: 1.389241988069321 × 10¹⁵

Factors of 1389241988069321

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 36754039

Divisors of 1389241988069321

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3931 9619 36740489 37812289 144426862259 353406763691 1389241988069321
• Sum of all divisors σ(n): 1389739896261600
• Sum of proper divisors (its aliquot sum) s(n): 497908192279
• 1389241988069321 is a deficient number, because the sum of its proper divisors (497908192279) is less than itself. Its deficiency is 1388744079877042

Bases of 1389241988069321

• Binary: 100111011111000001000011011001101001011011111001001₂
• Hexadecimal: 0x4EF821B34B7C9
• Base-36: DOG0YIJ4JT

Squares and roots of 1389241988069321

• 1389241988069321 squared (1389241988069321²) is 1929993301414799431705101401041
• 1389241988069321 cubed (1389241988069321³) is 2681227731017968240770640611529013443729563161
• The square root of 1389241988069321 is 37272536.6465621843
• The cube root of 1389241988069321 is 111581.6125949257

Scales and comparisons

• 1,389,241,988,069,321 seconds is equal to 44,173,598 years, 4 days, 17 hours, 28 minutes, 41 seconds.
• To count from 1 to 1,389,241,988,069,321 would take you about one hundred thirty-two million, five hundred twenty thousand, seven hundred ninety-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 1389241988069321 cubic inches would be around 9298.5 feet tall.

Recreational maths with 1389241988069321

• 1389241988069321 backwards is 1239608891429831
• The number of decimal digits it has is: 16
• The sum of 1389241988069321's digits is 74
• More coming soon!