81032327121104380

Names of 81032327121104380

• Cardinal: 81032327121104380 can be written as Eighty-one quadrillion, thirty-two trillion, three hundred twenty-seven billion, one hundred twenty-one million, one hundred four thousand, three hundred eighty.

Scientific notation

• Scientific notation: 8.103232712110438 × 10¹⁶

Factors of 81032327121104380

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 578802336579331

Divisors of 81032327121104380

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 140 578802336579317 1157604673158634 2315209346317268 2894011682896585 4051616356055219 5788023365793170 8103232712110438 11576046731586340 16206465424220876 20258081780276095 40516163560552190 81032327121104380
• Sum of all divisors σ(n): 194477585090650848
• Sum of proper divisors (its aliquot sum) s(n): 113445257969546468
• 81032327121104380 is an abundant number, because the sum of its proper divisors (113445257969546468) is greater than itself. Its abundance is 32412930848442088

Bases of 81032327121104380

• Binary: 100011111111000100111100011100001011000000110110111111100₂
• Hexadecimal: 0x11FE278E1606DFC
• Base-36: M5VK9677W8S

Squares and roots of 81032327121104380

• 81032327121104380 squared (81032327121104380²) is 6566238038661668457250790855184400
• 81032327121104380 cubed (81032327121104380³) is 532077548703871147398068993866825477125576547672000
• The square root of 81032327121104380 is 284661776.7124774693
• The cube root of 81032327121104380 is 432732.4236544157

Scales and comparisons

• 81,032,327,121,104,380 seconds is equal to 2,576,577,353 years, 2 days, 6 hours, 19 minutes, 40 seconds.
• To count from 1 to 81,032,327,121,104,380 would take you about seven billion, seven hundred twenty-nine million, seven hundred thirty-two thousand and fifty-nine 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 81032327121104380 cubic inches would be around 36061 feet tall.

Recreational maths with 81032327121104380

• 81032327121104380 backwards is 08340112172323018
• The number of decimal digits it has is: 17
• The sum of 81032327121104380's digits is 46
• More coming soon!