1368721158091

Names of 1368721158091

• Cardinal: 1368721158091 can be written as One trillion, three hundred sixty-eight billion, seven hundred twenty-one million, one hundred fifty-eight thousand and ninety-one.

Scientific notation

• Scientific notation: 1.368721158091 × 10¹²

Factors of 1368721158091

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 37589

Divisors of 1368721158091

• Number of divisors d(n): 48
• Complete list of divisors:
  1 7 19 49 97 133 409 679 931 1843 2863 4753 7771 12901 20041 37057 39673 54397 90307 259399 277711 380779 704083 753787 1815793 1943977 3594529 4928581 5276509 15156313 25161703 34500067 36935563 68296051 106094191 176131921 287969947 478072357 742659337 1470162361 2015789629 3346506499 10291136527 14110527403 27933084859 72037955689 195531594013 1368721158091
• Sum of all divisors σ(n): 1697449101600
• Sum of proper divisors (its aliquot sum) s(n): 328727943509
• 1368721158091 is a deficient number, because the sum of its proper divisors (328727943509) is less than itself. Its deficiency is 1039993214582

Bases of 1368721158091

• Binary: 10011111010101110001000110110111111001011₂
• Hexadecimal: 0x13EAE236FCB
• Base-36: HGS58KP7

Squares and roots of 1368721158091

• 1368721158091 squared (1368721158091²) is 1873397608605968214764281
• 1368721158091 cubed (1368721158091³) is 2564158944416070763006502494900947571
• The square root of 1368721158091 is 1169923.5693373307
• The cube root of 1368721158091 is 11102.9485392393

Scales and comparisons

• 1,368,721,158,091 seconds is equal to 43,521 years, 5 weeks, 1 day, 1 hour, 41 minutes, 31 seconds.
• To count from 1 to 1,368,721,158,091 would take you about one hundred eight thousand, eight hundred 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 1368721158091 cubic inches would be around 925.2 feet tall.

Recreational maths with 1368721158091

• 1368721158091 backwards is 1908511278631
• The number of decimal digits it has is: 13
• The sum of 1368721158091's digits is 52
• More coming soon!