72161368323946

Names of 72161368323946

• Cardinal: 72161368323946 can be written as Seventy-two trillion, one hundred sixty-one billion, three hundred sixty-eight million, three hundred twenty-three thousand, nine hundred forty-six.

Scientific notation

• Scientific notation: 7.2161368323946 × 10¹³

Factors of 72161368323946

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 721

Divisors of 72161368323946

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 11 22 31 62 121 242 341 677 682 961 1354 1922 3751 7447 7502 10571 14894 20987 21142 41974 81917 116281 163834 230857 232562 458329 461714 650597 916658 1301194 2539427 5041619 5078854 7156567 10083238 14208199 14313134 28416398 55457809 78722237 110915618 156290189 157444474 310288733 312580378 440454169 620577466 880908338 1719192079 3413176063 3438384158 4844995859 6826352126 9618950723 9689991718 19237901446 37544936693 53294954449 75089873386 105808457953 106589908898 211616915906 298187472413 596374944826 1163893037483 2327786074966 3280062196543 6560124393086 36080684161973 72161368323946
• Sum of all divisors σ(n): 123120429822180
• Sum of proper divisors (its aliquot sum) s(n): 50959061498234
• 72161368323946 is a deficient number, because the sum of its proper divisors (50959061498234) is less than itself. Its deficiency is 21202306825712

Bases of 72161368323946

• Binary: 10000011010000101100000101110011011011101101010₂
• Hexadecimal: 0x41A160B9B76A
• Base-36: PKUH3JR6Y

Squares and roots of 72161368323946

• 72161368323946 squared (72161368323946²) is 5207263078384197141197010916
• 72161368323946 cubed (72161368323946³) is 375763228958966940480712592311699986194536
• The square root of 72161368323946 is 8494784.7720790431
• The cube root of 72161368323946 is 41632.7328674125

Scales and comparisons

• 72,161,368,323,946 seconds is equal to 2,294,508 years, 15 weeks, 5 days, 6 hours, 25 minutes, 46 seconds.
• To count from 1 to 72,161,368,323,946 would take you about five million, seven hundred thirty-six thousand, two hundred seventy 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 72161368323946 cubic inches would be around 3469.4 feet tall.

Recreational maths with 72161368323946

• 72161368323946 backwards is 64932386316127
• The number of decimal digits it has is: 14
• The sum of 72161368323946's digits is 61
• More coming soon!