15421383978049

Names of 15421383978049

• Cardinal: 15421383978049 can be written as Fifteen trillion, four hundred twenty-one billion, three hundred eighty-three million, nine hundred seventy-eight thousand and forty-nine.

Scientific notation

• Scientific notation: 1.5421383978049 × 10¹³

Factors of 15421383978049

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 114

Divisors of 15421383978049

• Number of divisors d(n): 35
• Complete list of divisors:
  1 7 49 107 343 749 2401 5243 11449 16807 36701 80143 117649 256907 561001 1225043 1798349 3927007 8575301 12588443 27489049 60027107 131079601 192423343 420189749 917557207 1346963401 2941328243 6422900449 20589297701 44960303143 144125083907 314722122001 2203054854007 15421383978049
• Sum of all divisors σ(n): 18161324800657
• Sum of proper divisors (its aliquot sum) s(n): 2739940822608
• 15421383978049 is a deficient number, because the sum of its proper divisors (2739940822608) is less than itself. Its deficiency is 12681443155441

Bases of 15421383978049

• Binary: 11100000011010010010000111010010110001000001₂
• Hexadecimal: 0xE06921D2C41
• Base-36: 5GSHHUOG1

Squares and roots of 15421383978049

• 15421383978049 squared (15421383978049²) is 237819083798426400113846401
• 15421383978049 cubed (15421383978049³) is 3667499408563345403434011157939941651649
• 15421383978049 is a perfect square number. Its square root is 3927007
• The cube root of 15421383978049 is 24890.9296264581

Scales and comparisons

• 15,421,383,978,049 seconds is equal to 490,352 years, 16 weeks, 11 hours, 40 minutes, 49 seconds.
• To count from 1 to 15,421,383,978,049 would take you about one million, two hundred twenty-five thousand, eight hundred eighty 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 15421383978049 cubic inches would be around 2074.2 feet tall.

Recreational maths with 15421383978049

• 15421383978049 backwards is 94087938312451
• The number of decimal digits it has is: 14
• The sum of 15421383978049's digits is 64
• More coming soon!