668279384960

Names of 668279384960

• Cardinal: 668279384960 can be written as Six hundred sixty-eight billion, two hundred seventy-nine million, three hundred eighty-four thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 6.6827938496 × 10¹¹

Factors of 668279384960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 9761

Divisors of 668279384960

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 128 160 176 220 320 352 440 640 704 880 1408 1760 3520 7040 9743 19486 38972 48715 77944 97430 107173 155888 194860 214346 311776 389720 428692 535865 623552 779440 857384 1071730 1247104 1558880 1714768 2143460 3117760 3429536 4286920 6235520 6859072 8573840 13718144 17147680 34295360 68590720 94926049 189852098 379704196 474630245 759408392 949260490 1044186539 1518816784 1898520980 2088373078 3037633568 3797041960 4176746156 5220932695 6075267136 7594083920 8353492312 10441865390 12150534272 15188167840 16706984624 20883730780 30376335680 33413969248 41767461560 60752671360 66827938496 83534923120 133655876992 167069846240 334139692480 668279384960
• Sum of all divisors σ(n): 1743021159480
• Sum of proper divisors (its aliquot sum) s(n): 1074741774520
• 668279384960 is an abundant number, because the sum of its proper divisors (1074741774520) is greater than itself. Its abundance is 406462389560

Bases of 668279384960

• Binary: 1001101110011000100011100010101110000000₂
• Hexadecimal: 0x9B988E2B80
• Base-36: 8J04AHKW

Squares and roots of 668279384960

• 668279384960 squared (668279384960²) is 446597336362515874201600
• 668279384960 cubed (668279384960³) is 298451793269116352009681979047936000
• The square root of 668279384960 is 817483.5686177429
• The cube root of 668279384960 is 8742.8431708135

Scales and comparisons

• 668,279,384,960 seconds is equal to 21,249 years, 11 weeks, 2 days, 2 hours, 29 minutes, 20 seconds.
• To count from 1 to 668,279,384,960 would take you about forty-two thousand, four hundred ninety-eight 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 668279384960 cubic inches would be around 728.6 feet tall.

Recreational maths with 668279384960

• 668279384960 backwards is 069483972866
• The number of decimal digits it has is: 12
• The sum of 668279384960's digits is 68
• More coming soon!