668549339616

Names of 668549339616

• Cardinal: 668549339616 can be written as Six hundred sixty-eight billion, five hundred forty-nine million, three hundred thirty-nine thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 6.68549339616 × 10¹¹

Factors of 668549339616

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10440920

Divisors of 668549339616

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 29 32 46 48 58 69 87 92 96 116 138 174 184 232 276 348 368 464 552 667 696 736 928 1104 1334 1392 2001 2208 2668 2784 4002 5336 8004 10672 16008 21344 32016 64032 10440863 20881726 31322589 41763452 62645178 83526904 125290356 167053808 240139849 250580712 302785027 334107616 480279698 501161424 605570054 720419547 908355081 960559396 1002322848 1211140108 1440839094 1816710162 1921118792 2422280216 2881678188 3633420324 3842237584 4844560432 5763356376 6964055621 7266840648 7684475168 9689120864 11526712752 13928111242 14533681296 20892166863 23053425504 27856222484 29067362592 41784333726 55712444968 83568667452 111424889936 167137334904 222849779872 334274669808 668549339616
• Sum of all divisors σ(n): 1894390364160
• Sum of proper divisors (its aliquot sum) s(n): 1225841024544
• 668549339616 is an abundant number, because the sum of its proper divisors (1225841024544) is greater than itself. Its abundance is 557291684928

Bases of 668549339616

• Binary: 1001101110101000101001010101100111100000₂
• Hexadecimal: 0x9BA8A559E0
• Base-36: 8J4L0JXC

Squares and roots of 668549339616

• 668549339616 squared (668549339616²) is 446958219500989707027456
• 668549339616 cubed (668549339616³) is 298813622483329841691619023180496896
• The square root of 668549339616 is 817648.6651465897
• The cube root of 668549339616 is 8744.0202501131

Scales and comparisons

• 668,549,339,616 seconds is equal to 21,257 years, 41 weeks, 4 days, 13 hours, 53 minutes, 36 seconds.
• To count from 1 to 668,549,339,616 would take you about forty-two thousand, five hundred fifteen 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 668549339616 cubic inches would be around 728.7 feet tall.

Recreational maths with 668549339616

• 668549339616 backwards is 616933945866
• The number of decimal digits it has is: 12
• The sum of 668549339616's digits is 66
• More coming soon!