72394747831923842

Names of 72394747831923842

• Cardinal: 72394747831923842 can be written as Seventy-two quadrillion, three hundred ninety-four trillion, seven hundred forty-seven billion, eight hundred thirty-one million, nine hundred twenty-three thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 7.2394747831923842 × 10¹⁶

Factors of 72394747831923842

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2775638

Divisors of 72394747831923842

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 13 26 4649 9298 60437 120874 236293 472586 2534681 3071809 5069362 6143618 32950853 65901706 1098526157 2197052314 11783731969 14280840041 23567463938 28561680082 153188515597 306377031194 598927377533 1197854755066 7786055907929 15572111815858 2784413378150917 5568826756301834 36197373915961921 72394747831923842
• Sum of all divisors σ(n): 116971058003612400
• Sum of proper divisors (its aliquot sum) s(n): 44576310171688558
• 72394747831923842 is a deficient number, because the sum of its proper divisors (44576310171688558) is less than itself. Its deficiency is 27818437660235284

Bases of 72394747831923842

• Binary: 100000001001100101010001110111100001000000011010010000010₂
• Hexadecimal: 0x10132A3BC203482
• Base-36: JSTSO0Y4O02

Squares and roots of 72394747831923842

• 72394747831923842 squared (72394747831923842²) is 5240999513647841821813226888040964
• 72394747831923842 cubed (72394747831923842³) is 379420838177771007100231645224462033532850624263688
• The square root of 72394747831923842 is 269062721.0000000019
• The cube root of 72394747831923842 is 416775.6650990055

Scales and comparisons

• 72,394,747,831,923,842 seconds is equal to 2,301,929,049 years, 20 weeks, 4 days, 14 hours, 24 minutes, 2 seconds.
• To count from 1 to 72,394,747,831,923,842 would take you about six billion, nine hundred five million, seven hundred eighty-seven thousand, one hundred forty-eight 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 72394747831923842 cubic inches would be around 34731.3 feet tall.

Recreational maths with 72394747831923842

• 72394747831923842 backwards is 24832913874749327
• The number of decimal digits it has is: 17
• The sum of 72394747831923842's digits is 83
• More coming soon!