12788004396387

Names of 12788004396387

• Cardinal: 12788004396387 can be written as Twelve trillion, seven hundred eighty-eight billion, four million, three hundred ninety-six thousand, three hundred eighty-seven.

Scientific notation

• Scientific notation: 1.2788004396387 × 10¹³

Factors of 12788004396387

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 278

Divisors of 12788004396387

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 11 33 113 121 151 339 363 453 1243 1331 1661 3729 3993 4983 12769 13673 14641 17063 18271 22801 38307 41019 43923 51189 54813 68403 140459 150403 187693 200981 250811 421377 451209 563079 602943 752433 1545049 1654433 1928119 2064623 2210791 2576513 2758921 4635147 4963299 5784357 6193869 6632373 7729539 8276763 16995539 21209309 22710853 28341643 30348131 50986617 63627927 68132559 85024929 91044393 186950929 233302399 249819383 291145969 311758073 333829441 560852787 699907197 749458149 873437907 935274219 1001488323 2566326389 3202605659 3429338803 7698979167 9607816977 10288016409 28229590279 35228662249 37722726833 84688770837 105685986747 113168180499 387515284739 1162545854217 4262668132129 12788004396387
• Sum of all divisors σ(n): 19049219405580
• Sum of proper divisors (its aliquot sum) s(n): 6261215009193
• 12788004396387 is a deficient number, because the sum of its proper divisors (6261215009193) is less than itself. Its deficiency is 6526789387194

Bases of 12788004396387

• Binary: 10111010000101110000011101011001110101100011₂
• Hexadecimal: 0xBA170759D63
• Base-36: 4J6Q7N2W3

Squares and roots of 12788004396387

• 12788004396387 squared (12788004396387²) is 163533056442013240218653769
• 12788004396387 cubed (12788004396387³) is 2091261444735068727849407523138587532603
• The square root of 12788004396387 is 3576031.9344752781
• The cube root of 12788004396387 is 23384.8322556013

Scales and comparisons

• 12,788,004,396,387 seconds is equal to 406,618 years, 51 weeks, 1 day, 3 hours, 26 minutes, 27 seconds.
• To count from 1 to 12,788,004,396,387 would take you about one million, sixteen thousand, five hundred forty-seven 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 12788004396387 cubic inches would be around 1948.7 feet tall.

Recreational maths with 12788004396387

• 12788004396387 backwards is 78369340088721
• The number of decimal digits it has is: 14
• The sum of 12788004396387's digits is 66
• More coming soon!