1388642823751393

Names of 1388642823751393

• Cardinal: 1388642823751393 can be written as One quadrillion, three hundred eighty-eight trillion, six hundred forty-two billion, eight hundred twenty-three million, seven hundred fifty-one thousand, three hundred ninety-three.

Scientific notation

• Scientific notation: 1.388642823751393 × 10¹⁵

Factors of 1388642823751393

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 28190567

Divisors of 1388642823751393

• Number of divisors d(n): 8
• Complete list of divisors:
  1 7 13548131 14642429 94836917 102497003 198377546250199 1388642823751393
• Sum of all divisors σ(n): 1587020595526080
• Sum of proper divisors (its aliquot sum) s(n): 198377771774687
• 1388642823751393 is a deficient number, because the sum of its proper divisors (198377771774687) is less than itself. Its deficiency is 1190265051976706

Bases of 1388642823751393

• Binary: 100111011101111011010011010001110101100011011100001₂
• Hexadecimal: 0x4EEF69A3AC6E1
• Base-36: DO8DPFKE01

Squares and roots of 1388642823751393

• 1388642823751393 squared (1388642823751393²) is 1928328891956242322969469440449
• 1388642823751393 cubed (1388642823751393³) is 2677760077647511162954078574380328298794295457
• The square root of 1388642823751393 is 37264498.1685168141
• The cube root of 1388642823751393 is 111565.5689934383

Scales and comparisons

• 1,388,642,823,751,393 seconds is equal to 44,154,546 years, 22 weeks, 6 days, 12 hours, 43 minutes, 13 seconds.
• To count from 1 to 1,388,642,823,751,393 would take you about one hundred thirty-two million, four hundred sixty-three thousand, six 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 1388642823751393 cubic inches would be around 9297.1 feet tall.

Recreational maths with 1388642823751393

• 1388642823751393 backwards is 3931573282468831
• The number of decimal digits it has is: 16
• The sum of 1388642823751393's digits is 73
• More coming soon!