15438323299456

Names of 15438323299456

• Cardinal: 15438323299456 can be written as Fifteen trillion, four hundred thirty-eight billion, three hundred twenty-three million, two hundred ninety-nine thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.5438323299456 × 10¹³

Factors of 15438323299456

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11757800

Divisors of 15438323299456

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 4 8 16 32 64 128 10267 20534 41068 82136 164272 328544 657088 1314176 11747531 23495062 46990124 93980248 187960496 375920992 751841984 1503683968 120611900777 241223801554 482447603108 964895206216 1929790412432 3859580824864 7719161649728 15438323299456
• Sum of all divisors σ(n): 30759032936880
• Sum of proper divisors (its aliquot sum) s(n): 15320709637424
• 15438323299456 is a deficient number, because the sum of its proper divisors (15320709637424) is less than itself. Its deficiency is 117613662032

Bases of 15438323299456

• Binary: 11100000101010000011110001101011010010000000₂
• Hexadecimal: 0xE0A83C6B480
• Base-36: 5H09N34HS

Squares and roots of 15438323299456

• 15438323299456 squared (15438323299456²) is 238341826298525994249895936
• 15438323299456 cubed (15438323299456³) is 3679598170179428659177436310452165410816
• The square root of 15438323299456 is 3929163.1805584253
• The cube root of 15438323299456 is 24900.0399452357

Scales and comparisons

• 15,438,323,299,456 seconds is equal to 490,890 years, 48 weeks, 1 day, 10 hours, 44 minutes, 16 seconds.
• To count from 1 to 15,438,323,299,456 would take you about one million, two hundred twenty-seven thousand, two hundred twenty-seven 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 15438323299456 cubic inches would be around 2075 feet tall.

Recreational maths with 15438323299456

• 15438323299456 backwards is 65499232383451
• 15438323299456 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 15438323299456's digits is 64
• More coming soon!