438345529212981

Names of 438345529212981

• Cardinal: 438345529212981 can be written as Four hundred thirty-eight trillion, three hundred forty-five billion, five hundred twenty-nine million, two hundred twelve thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 4.38345529212981 × 10¹⁴

Factors of 438345529212981

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 912

Divisors of 438345529212981

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 13 19 39 57 247 741 877 2631 11401 16663 34203 49989 216619 649857 769129 2307387 9998677 14613451 29996031 43840353 189974863 569924589 674526133 2023578399 8768839729 12815996527 26306519187 38447989581 166607954851 499823864553 591559418641 1774678255923 7690272442333 11239628954179 23070817326999 33718886862537 146115176404327 438345529212981
• Sum of all divisors σ(n): 663302880554720
• Sum of proper divisors (its aliquot sum) s(n): 224957351341739
• 438345529212981 is a deficient number, because the sum of its proper divisors (224957351341739) is less than itself. Its deficiency is 213388177871242

Bases of 438345529212981

• Binary: 1100011101010110001000101100011101100000000110101₂
• Hexadecimal: 0x18EAC458EC035
• Base-36: 4BDP5MCI0L

Squares and roots of 438345529212981

• 438345529212981 squared (438345529212981²) is 192146802981008379269258906361
• 438345529212981 cubed (438345529212981³) is 84226692039292513209914074371920041104672141
• The square root of 438345529212981 is 20936702.9212572293
• The cube root of 438345529212981 is 75963.5980573693

Scales and comparisons

• 438,345,529,212,981 seconds is equal to 13,938,031 years, 48 weeks, 5 days, 3 hours, 36 minutes, 21 seconds.
• To count from 1 to 438,345,529,212,981 would take you about thirty-four million, eight hundred forty-five thousand and seventy-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 438345529212981 cubic inches would be around 6330.3 feet tall.

Recreational maths with 438345529212981

• 438345529212981 backwards is 189212925543834
• The number of decimal digits it has is: 15
• The sum of 438345529212981's digits is 66
• More coming soon!