668516099072

Names of 668516099072

• Cardinal: 668516099072 can be written as Six hundred sixty-eight billion, five hundred sixteen million, ninety-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 6.68516099072 × 10¹¹

Factors of 668516099072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 6216

Divisors of 668516099072

• Number of divisors d(n): 66
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 128 136 256 272 512 544 1024 1088 2176 4352 6197 8704 12394 17408 24788 49576 99152 105349 198304 210698 396608 421396 793216 842792 1586432 1685584 3172864 3371168 6345728 6742336 13484672 26969344 38402809 53938688 76805618 107877376 153611236 307222472 614444944 652847753 1228889888 1305695506 2457779776 2611391012 4915559552 5222782024 9831119104 10445564048 19662238208 20891128096 39324476416 41782256192 83564512384 167129024768 334258049536 668516099072
• Sum of all divisors σ(n): 1415218271922
• Sum of proper divisors (its aliquot sum) s(n): 746702172850
• 668516099072 is an abundant number, because the sum of its proper divisors (746702172850) is greater than itself. Its abundance is 78186073778

Bases of 668516099072

• Binary: 1001101110100110101010100010010000000000₂
• Hexadecimal: 0x9BA6AA2400
• Base-36: 8J4183CW

Squares and roots of 668516099072

• 668516099072 squared (668516099072²) is 446913774718444119261184
• 668516099072 cubed (668516099072³) is 298769053296316877737705466388021248
• The square root of 668516099072 is 817628.3379824845
• The cube root of 668516099072 is 8743.8753289681

Scales and comparisons

• 668,516,099,072 seconds is equal to 21,256 years, 38 weeks, 4 days, 20 hours, 24 minutes, 32 seconds.
• To count from 1 to 668,516,099,072 would take you about forty-two thousand, five hundred thirteen 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 668516099072 cubic inches would be around 728.7 feet tall.

Recreational maths with 668516099072

• 668516099072 backwards is 270990615866
• The number of decimal digits it has is: 12
• The sum of 668516099072's digits is 59
• More coming soon!