13387419381939749

Names of 13387419381939749

• Cardinal: 13387419381939749 can be written as Thirteen quadrillion, three hundred eighty-seven trillion, four hundred nineteen billion, three hundred eighty-one million, nine hundred thirty-nine thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 1.3387419381939749 × 10¹⁶

Factors of 13387419381939749

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 370407751

Divisors of 13387419381939749

• Number of divisors d(n): 8
• Complete list of divisors:
  1 61 593449 36200389 369814241 22558668701 219465891507209 13387419381939749
• Sum of all divisors σ(n): 13606908238723800
• Sum of proper divisors (its aliquot sum) s(n): 219488856784051
• 13387419381939749 is a deficient number, because the sum of its proper divisors (219488856784051) is less than itself. Its deficiency is 13167930525155698

Bases of 13387419381939749

• Binary: 101111100011111100100101111000101110000011111000100101₂
• Hexadecimal: 0x2F8FC978B83E25
• Base-36: 3NTFZK72XPH

Squares and roots of 13387419381939749

• 13387419381939749 squared (13387419381939749²) is 179222997707936051113633866183001
• 13387419381939749 cubed (13387419381939749³) is 2399333433204566301060303849574254392253990006749
• The square root of 13387419381939749 is 115704016.2740245979
• The cube root of 13387419381939749 is 237446.4182397193

Scales and comparisons

• 13,387,419,381,939,749 seconds is equal to 425,678,526 years, 17 weeks, 4 days, 6 hours, 22 minutes, 29 seconds.
• To count from 1 to 13,387,419,381,939,749 would take you about one billion, two hundred seventy-seven million, thirty-five thousand, five hundred seventy-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 13387419381939749 cubic inches would be around 19787.2 feet tall.

Recreational maths with 13387419381939749

• 13387419381939749 backwards is 94793918391478331
• The number of decimal digits it has is: 17
• The sum of 13387419381939749's digits is 89
• More coming soon!