668662712712

Names of 668662712712

• Cardinal: 668662712712 can be written as Six hundred sixty-eight billion, six hundred sixty-two million, seven hundred twelve thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 6.68662712712 × 10¹¹

Factors of 668662712712

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 346153

Divisors of 668662712712

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 9187 18374 27561 36748 55122 73496 82683 110244 165366 220488 248049 330732 336961 496098 661464 673922 992196 1010883 1347844 1984392 2021766 2695688 3032649 4043532 6065298 8087064 9097947 12130596 18195894 24261192 36391788 72783576 3095660707 6191321414 9286982121 12382642828 18573964242 24765285656 27860946363 37147928484 55721892726 74295856968 83582839089 111443785452 167165678178 222887570904 334331356356 668662712712
• Sum of all divisors σ(n): 1857604113600
• Sum of proper divisors (its aliquot sum) s(n): 1188941400888
• 668662712712 is an abundant number, because the sum of its proper divisors (1188941400888) is greater than itself. Its abundance is 520278688176

Bases of 668662712712

• Binary: 1001101110101111011001110100100110001000₂
• Hexadecimal: 0x9BAF674988
• Base-36: 8J6GIJ60

Squares and roots of 668662712712

• 668662712712 squared (668662712712²) is 447109823371370646394944
• 668662712712 cubed (668662712712³) is 298965667375683873816052178361328128
• The square root of 668662712712 is 817717.9909430879
• The cube root of 668662712712 is 8744.5144946695

Scales and comparisons

• 668,662,712,712 seconds is equal to 21,261 years, 21 weeks, 18 hours, 25 minutes, 12 seconds.
• To count from 1 to 668,662,712,712 would take you about forty-two thousand, five hundred twenty-two 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 668662712712 cubic inches would be around 728.7 feet tall.

Recreational maths with 668662712712

• 668662712712 backwards is 217217266866
• 668662712712 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668662712712's digits is 54
• More coming soon!