1318891648921

Names of 1318891648921

• Cardinal: 1318891648921 can be written as One trillion, three hundred eighteen billion, eight hundred ninety-one million, six hundred forty-eight thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.318891648921 × 10¹²

Factors of 1318891648921

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3794

Divisors of 1318891648921

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 11 77 79 223 307 553 869 1561 2149 2453 3167 3377 6083 17171 17617 22169 23639 24253 34837 68461 123319 169771 193787 243859 250193 266783 479227 706241 753071 972269 1356509 1751351 1867481 2752123 4943687 5271497 5408419 6805883 7768651 10694959 19264861 37858933 54380557 55793039 59492609 74864713 76809251 216815987 390551273 416448263 537664757 613723429 844901761 1517711909 2384975857 4296064003 5914312327 16694830999 17128462973 119899240811 188413092703 1318891648921
• Sum of all divisors σ(n): 1678591918080
• Sum of proper divisors (its aliquot sum) s(n): 359700269159
• 1318891648921 is a deficient number, because the sum of its proper divisors (359700269159) is less than itself. Its deficiency is 959191379762

Bases of 1318891648921

• Binary: 10011001100010100000100010111011110011001₂
• Hexadecimal: 0x13314117799
• Base-36: GTW219CP

Squares and roots of 1318891648921

• 1318891648921 squared (1318891648921²) is 1739475181593554320464241
• 1318891648921 cubed (1318891648921³) is 2294179290509078766142266466706733961
• The square root of 1318891648921 is 1148430.0801185069
• The cube root of 1318891648921 is 10966.5419970313

Scales and comparisons

• 1,318,891,648,921 seconds is equal to 41,936 years, 35 weeks, 15 hours, 22 minutes, 1 second.
• To count from 1 to 1,318,891,648,921 would take you about one hundred four thousand, eight hundred forty-one 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 1318891648921 cubic inches would be around 913.9 feet tall.

Recreational maths with 1318891648921

• 1318891648921 backwards is 1298461988131
• The number of decimal digits it has is: 13
• The sum of 1318891648921's digits is 61
• More coming soon!