664169731748991

Names of 664169731748991

• Cardinal: 664169731748991 can be written as Six hundred sixty-four trillion, one hundred sixty-nine billion, seven hundred thirty-one million, seven hundred forty-eight thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 6.64169731748991 × 10¹⁴

Factors of 664169731748991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 48014349

Divisors of 664169731748991

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 13 39 117 137 411 863 1233 1781 2589 5343 7767 11219 16029 33657 100971 118231 354693 1064079 1537003 4611009 13833027 48013333 144039999 432119997 624173329 1872519987 5617559961 6577826621 19733479863 41435506379 59200439589 85511746073 124306519137 256535238219 372919557411 538661582927 769605714657 1615984748781 4847954246343 5676664373923 17029993121769 51089979365307 73796636860999 221389910582997 664169731748991
• Sum of all divisors σ(n): 1041900102786816
• Sum of proper divisors (its aliquot sum) s(n): 377730371037825
• 664169731748991 is a deficient number, because the sum of its proper divisors (377730371037825) is less than itself. Its deficiency is 286439360711166

Bases of 664169731748991

• Binary: 10010111000000111100010000111011100111010001111111₂
• Hexadecimal: 0x25C0F10EE747F
• Base-36: 6JFFD1XG1R

Squares and roots of 664169731748991

• 664169731748991 squared (664169731748991²) is 441121432571526663543829518081
• 664169731748991 cubed (664169731748991³) is 292979503539761485288413084988073820788006271
• The square root of 664169731748991 is 25771490.6776653299
• The cube root of 664169731748991 is 87248.8463488533

Scales and comparisons

• 664,169,731,748,991 seconds is equal to 21,118,543 years, 3 weeks, 29 minutes, 51 seconds.
• To count from 1 to 664,169,731,748,991 would take you about fifty-two million, seven hundred ninety-six thousand, three hundred fifty-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 664169731748991 cubic inches would be around 7270.7 feet tall.

Recreational maths with 664169731748991

• 664169731748991 backwards is 199847137961466
• The number of decimal digits it has is: 15
• The sum of 664169731748991's digits is 81
• More coming soon!