666442829347648

Names of 666442829347648

• Cardinal: 666442829347648 can be written as Six hundred sixty-six trillion, four hundred forty-two billion, eight hundred twenty-nine million, three hundred forty-seven thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 6.66442829347648 × 10¹⁴

Factors of 666442829347648

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 522409205

Divisors of 666442829347648

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 124 248 496 643 992 1286 1984 2572 5144 10288 19933 20576 39866 41152 79732 159464 318928 637856 1275712 522408529 1044817058 2089634116 4179268232 8358536464 16194664399 16717072928 32389328798 33434145856 64778657596 129557315192 259114630384 335908684147 518229260768 671817368294 1036458521536 1343634736588 2687269473176 5374538946352 10413169208557 10749077892704 20826338417114 21498155785408 41652676834228 83305353668456 166610707336912 333221414673824 666442829347648
• Sum of all divisors σ(n): 1367255963252480
• Sum of proper divisors (its aliquot sum) s(n): 700813133904832
• 666442829347648 is an abundant number, because the sum of its proper divisors (700813133904832) is greater than itself. Its abundance is 34370304557184

Bases of 666442829347648

• Binary: 10010111100010000001010000000110110011101101000000₂
• Hexadecimal: 0x25E20501B3B40
• Base-36: 6K8FLXJSCG

Squares and roots of 666442829347648

• 666442829347648 squared (666442829347648²) is 444146044788898274353243131904
• 666442829347648 cubed (666442829347648³) is 295997946732680557931964405433278184736161792
• The square root of 666442829347648 is 25815554.0197697095
• The cube root of 666442829347648 is 87348.2683837389

Scales and comparisons

• 666,442,829,347,648 seconds is equal to 21,190,820 years, 27 weeks, 4 days, 7 minutes, 28 seconds.
• To count from 1 to 666,442,829,347,648 would take you about fifty-two million, nine hundred seventy-seven thousand and fifty-one 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 666442829347648 cubic inches would be around 7279 feet tall.

Recreational maths with 666442829347648

• 666442829347648 backwards is 846743928244666
• The number of decimal digits it has is: 15
• The sum of 666442829347648's digits is 79
• More coming soon!