668067177728

Names of 668067177728

• Cardinal: 668067177728 can be written as Six hundred sixty-eight billion, sixty-seven million, one hundred seventy-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.68067177728 × 10¹¹

Factors of 668067177728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3594

Divisors of 668067177728

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 29 32 41 58 64 82 116 128 164 232 256 328 464 656 809 928 1189 1312 1618 1856 2378 2624 2713 3236 3712 4756 5248 5426 6472 7424 9512 10496 10852 12944 19024 21704 23461 25888 33169 38048 43408 46922 51776 66338 76096 78677 86816 93844 103552 111233 132676 152192 157354 173632 187688 207104 222466 265352 304384 314708 347264 375376 444932 530704 629416 694528 750752 889864 961901 1061408 1258832 1501504 1779728 1923802 2122816 2194817 2517664 3003008 3225757 3559456 3847604 4245632 4389634 5035328 6006016 6451514 7118912 7695208 8491264 8779268 10070656 12903028 14237824 15390416 17558536 20141312 25806056 28475648 30780832 35117072 51612112 61561664 63649693 70234144 89987497 103224224 123123328 127299386 140468288 179974994 206448448 246246656 254598772 280936576 359949988 412896896 509197544 561873152 719899976 825793792 1018395088 1439799952 2036790176 2609637413 2879599904 4073580352 5219274826 5759199808 8147160704 10438549652 11518399616 16294321408 20877099304 23036799232 41754198608 83508397216 167016794432 334033588864 668067177728
• Sum of all divisors σ(n): 1415423192400
• Sum of proper divisors (its aliquot sum) s(n): 747356014672
• 668067177728 is an abundant number, because the sum of its proper divisors (747356014672) is greater than itself. Its abundance is 79288836944

Bases of 668067177728

• Binary: 1001101110001011111010000010010100000000₂
• Hexadecimal: 0x9B8BE82500
• Base-36: 8IWLY5FK

Squares and roots of 668067177728

• 668067177728 squared (668067177728²) is 446313753957455139241984
• 668067177728 cubed (668067177728³) is 298167569987546045858561512127332352
• The square root of 668067177728 is 817353.7653476615
• The cube root of 668067177728 is 8741.9176642045

Scales and comparisons

• 668,067,177,728 seconds is equal to 21,242 years, 24 weeks, 3 days, 2 minutes, 8 seconds.
• To count from 1 to 668,067,177,728 would take you about forty-two thousand, four hundred eighty-four 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 668067177728 cubic inches would be around 728.5 feet tall.

Recreational maths with 668067177728

• 668067177728 backwards is 827771760866
• The number of decimal digits it has is: 12
• The sum of 668067177728's digits is 65
• More coming soon!