12787073471979

Names of 12787073471979

• Cardinal: 12787073471979 can be written as Twelve trillion, seven hundred eighty-seven billion, seventy-three million, four hundred seventy-one thousand, nine hundred seventy-nine.

Scientific notation

• Scientific notation: 1.2787073471979 × 10¹³

Factors of 12787073471979

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 38091

Divisors of 12787073471979

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 23 27 69 157 207 471 621 1413 3611 3851 4239 10833 11553 32499 34057 34659 88573 97497 102171 103977 265719 306513 604607 783311 797157 919539 1813821 2349933 2391471 5346949 5441463 7049799 13905961 16040847 16324389 21149397 41717883 48122541 122979827 125153649 131153507 144367623 368939481 375460947 393460521 1106818443 1180381563 3016530661 3320455329 3541144689 9049591983 20591100599 27148775949 61773301797 81446327847 185319905391 473595313777 555959716173 1420785941331 4262357823993 12787073471979
• Sum of all divisors σ(n): 19899113978880
• Sum of proper divisors (its aliquot sum) s(n): 7112040506901
• 12787073471979 is a deficient number, because the sum of its proper divisors (7112040506901) is less than itself. Its deficiency is 5675032965078

Bases of 12787073471979

• Binary: 10111010000100111000111110001101010111101011₂
• Hexadecimal: 0xBA138F8D5EB
• Base-36: 4J6ATE50R

Squares and roots of 12787073471979

• 12787073471979 squared (12787073471979²) is 163509247977789077698176441
• 12787073471979 cubed (12787073471979³) is 2090804767240022666438165220854811446739
• The square root of 12787073471979 is 3575901.7704600053
• The cube root of 12787073471979 is 23384.2647956935

Scales and comparisons

• 12,787,073,471,979 seconds is equal to 406,589 years, 19 weeks, 6 days, 13 hours, 19 minutes, 39 seconds.
• To count from 1 to 12,787,073,471,979 would take you about one million, sixteen thousand, four hundred seventy-three 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 12787073471979 cubic inches would be around 1948.7 feet tall.

Recreational maths with 12787073471979

• 12787073471979 backwards is 97917437078721
• The number of decimal digits it has is: 14
• The sum of 12787073471979's digits is 72
• More coming soon!