172420813266

Names of 172420813266

• Cardinal: 172420813266 can be written as One hundred seventy-two billion, four hundred twenty million, eight hundred thirteen thousand, two hundred sixty-six.

Scientific notation

• Scientific notation: 1.72420813266 × 10¹¹

Factors of 172420813266

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 94106

Divisors of 172420813266

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 13 26 39 78 45427 48661 90854 97322 136281 145983 272562 291966 590551 632593 1181102 1265186 1771653 1897779 3543306 3795558 2210523247 4421046494 6631569741 13263139482 28736802211 57473604422 86210406633 172420813266
• Sum of all divisors σ(n): 371383712448
• Sum of proper divisors (its aliquot sum) s(n): 198962899182
• 172420813266 is an abundant number, because the sum of its proper divisors (198962899182) is greater than itself. Its abundance is 26542085916

Bases of 172420813266

• Binary: 10100000100101000101001101000111010010₂
• Hexadecimal: 0x282514D1D2
• Base-36: 277IWEZ6

Squares and roots of 172420813266

• 172420813266 squared (172420813266²) is 29728936847308841586756
• 172420813266 cubed (172420813266³) is 5125887468746544529860831414705096
• The square root of 172420813266 is 415235.8525777851
• The cube root of 172420813266 is 5565.8294756463

Scales and comparisons

• 172,420,813,266 seconds is equal to 5,482 years, 23 weeks, 2 days, 6 hours, 21 minutes, 6 seconds.
• To count from 1 to 172,420,813,266 would take you about ten thousand, nine hundred sixty-four 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 172420813266 cubic inches would be around 463.8 feet tall.

Recreational maths with 172420813266

• 172420813266 backwards is 662318024271
• The number of decimal digits it has is: 12
• The sum of 172420813266's digits is 42
• More coming soon!