80155142172

Names of 80155142172

• Cardinal: 80155142172 can be written as Eighty billion, one hundred fifty-five million, one hundred forty-two thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 8.0155142172 × 10¹⁰

Factors of 80155142172

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 45439435

Divisors of 80155142172

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 45439423 90878846 136318269 181757692 272636538 318075961 408954807 545273076 636151922 817909614 954227883 1272303844 1635819228 1908455766 2226531727 2862683649 3816911532 4453063454 5725367298 6679595181 8906126908 11450734596 13359190362 20038785543 26718380724 40077571086 80155142172
• Sum of all divisors σ(n): 235694292288
• Sum of proper divisors (its aliquot sum) s(n): 155539150116
• 80155142172 is an abundant number, because the sum of its proper divisors (155539150116) is greater than itself. Its abundance is 75384007944

Bases of 80155142172

• Binary: 1001010101001100111100110100000011100₂
• Hexadecimal: 0x12A99E681C
• Base-36: 10TMAVJ0

Squares and roots of 80155142172

• 80155142172 squared (80155142172²) is 6424846816613532877584
• 80155142172 cubed (80155142172³) is 514984510018979339381941791872448
• The square root of 80155142172 is 283116.8348438503
• The cube root of 80155142172 is 4311.6529454473

Scales and comparisons

• 80,155,142,172 seconds is equal to 2,548 years, 35 weeks, 4 days, 13 hours, 16 minutes, 12 seconds.
• To count from 1 to 80,155,142,172 would take you about five thousand and ninety-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 80155142172 cubic inches would be around 359.3 feet tall.

Recreational maths with 80155142172

• 80155142172 backwards is 27124155108
• 80155142172 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 80155142172's digits is 36
• More coming soon!