72740361431132521

Names of 72740361431132521

• Cardinal: 72740361431132521 can be written as Seventy-two quadrillion, seven hundred forty trillion, three hundred sixty-one billion, four hundred thirty-one million, one hundred thirty-two thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 7.2740361431132521 × 10¹⁶

Factors of 72740361431132521

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1041373

Divisors of 72740361431132521

• Number of divisors d(n): 27
• Complete list of divisors:
  1 7 37 49 259 1369 1813 9583 67081 1041329 7289303 38529173 51025121 269704211 1425579401 1887929477 9979055807 69853390649 1084366086241 7590562603687 40121545190917 53133938225809 280850816336419 1484497172063929 1965955714354933 10391480204447503 72740361431132521
• Sum of all divisors σ(n): 86965159264066629
• Sum of proper divisors (its aliquot sum) s(n): 14224797832934108
• 72740361431132521 is a deficient number, because the sum of its proper divisors (14224797832934108) is less than itself. Its deficiency is 58515563598198413

Bases of 72740361431132521

• Binary: 100000010011011001111100100101011111011111010100101101001₂
• Hexadecimal: 0x1026CF92BEFA969
• Base-36: JW8B0PZMB8P

Squares and roots of 72740361431132521

• 72740361431132521 squared (72740361431132521²) is 5291160181131791618635412663815441
• 72740361431132521 cubed (72740361431132521³) is 384880903965543138822480198338862857340277557056761
• 72740361431132521 is a perfect square number. Its square root is 269704211
• The cube root of 72740361431132521 is 417437.8435319655

Scales and comparisons

• 72,740,361,431,132,521 seconds is equal to 2,312,918,492 years, 41 weeks, 3 days, 20 hours, 22 minutes, 1 second.
• To count from 1 to 72,740,361,431,132,521 would take you about six billion, nine hundred thirty-eight million, seven hundred fifty-five thousand, four hundred seventy-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 72740361431132521 cubic inches would be around 34786.5 feet tall.

Recreational maths with 72740361431132521

• 72740361431132521 backwards is 12523113416304727
• The number of decimal digits it has is: 17
• The sum of 72740361431132521's digits is 52
• More coming soon!