81746472176442

Names of 81746472176442

• Cardinal: 81746472176442 can be written as Eighty-one trillion, seven hundred forty-six billion, four hundred seventy-two million, one hundred seventy-six thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 8.1746472176442 × 10¹³

Factors of 81746472176442

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 85545

Divisors of 81746472176442

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 23 27 46 54 69 81 138 162 207 243 414 486 621 1242 1863 3726 5589 11178 85517 171034 256551 513102 769653 1539306 1966891 2308959 3933782 4617918 5900673 6926877 11801346 13853754 17702019 20780631 35404038 41561262 53106057 106212114 159318171 318636342 477954513 955909026 7313157289 14626314578 21939471867 43878943734 65818415601 131636831202 168202617647 197455246803 336405235294 394910493606 504607852941 592365740409 1009215705882 1184731480818 1513823558823 1777097221227 3027647117646 3554194442454 4541470676469 9082941352938 13624412029407 27248824058814 40873236088221 81746472176442
• Sum of all divisors σ(n): 191665467485856
• Sum of proper divisors (its aliquot sum) s(n): 109918995309414
• 81746472176442 is an abundant number, because the sum of its proper divisors (109918995309414) is greater than itself. Its abundance is 28172523132972

Bases of 81746472176442

• Binary: 10010100101100100010101011011111000101100111010₂
• Hexadecimal: 0x4A59156F8B3A
• Base-36: SZ5T6WHMI

Squares and roots of 81746472176442

• 81746472176442 squared (81746472176442²) is 6682485713293806056379779364
• 81746472176442 cubed (81746472176442³) is 546269632431243288786265783345164838542888
• The square root of 81746472176442 is 9041375.5688192713
• The cube root of 81746472176442 is 43399.9943681889

Scales and comparisons

• 81,746,472,176,442 seconds is equal to 2,599,284 years, 49 weeks, 5 days, 6 hours, 20 minutes, 42 seconds.
• To count from 1 to 81,746,472,176,442 would take you about six million, four hundred ninety-eight thousand, two hundred twelve 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 81746472176442 cubic inches would be around 3616.7 feet tall.

Recreational maths with 81746472176442

• 81746472176442 backwards is 24467127464718
• The number of decimal digits it has is: 14
• The sum of 81746472176442's digits is 63
• More coming soon!