78427349785136

Names of 78427349785136

• Cardinal: 78427349785136 can be written as Seventy-eight trillion, four hundred twenty-seven billion, three hundred forty-nine million, seven hundred eighty-five thousand, one hundred thirty-six.

Scientific notation

• Scientific notation: 7.8427349785136 × 10¹³

Factors of 78427349785136

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2461933575

Divisors of 78427349785136

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 11 16 22 44 88 176 181 362 724 1448 1991 2896 3982 7964 15928 31856 2461933381 4923866762 9847733524 19695467048 27081267191 39390934096 54162534382 108325068764 216650137528 433300275056 445609941961 891219883922 1782439767844 3564879535688 4901709361571 7129759071376 9803418723142 19606837446284 39213674892568 78427349785136
• Sum of all divisors σ(n): 166682737694928
• Sum of proper divisors (its aliquot sum) s(n): 88255387909792
• 78427349785136 is an abundant number, because the sum of its proper divisors (88255387909792) is greater than itself. Its abundance is 9828038124656

Bases of 78427349785136

• Binary: 10001110101010001001010010100110001101000110000₂
• Hexadecimal: 0x47544A531A30
• Base-36: RST0Z4LRK

Squares and roots of 78427349785136

• 78427349785136 squared (78427349785136²) is 6150849194320071785366538496
• 78427349785136 cubed (78427349785136³) is 482394801238562220647678488823269672595456
• The square root of 78427349785136 is 8855921.7354906655
• The cube root of 78427349785136 is 42804.4755024417

Scales and comparisons

• 78,427,349,785,136 seconds is equal to 2,493,747 years, 6 weeks, 5 days, 20 hours, 18 minutes, 56 seconds.
• To count from 1 to 78,427,349,785,136 would take you about six million, two hundred thirty-four thousand, three hundred sixty-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 78427349785136 cubic inches would be around 3567 feet tall.

Recreational maths with 78427349785136

• 78427349785136 backwards is 63158794372487
• The number of decimal digits it has is: 14
• The sum of 78427349785136's digits is 74
• More coming soon!