1381443868215455

Names of 1381443868215455

• Cardinal: 1381443868215455 can be written as One quadrillion, three hundred eighty-one trillion, four hundred forty-three billion, eight hundred sixty-eight million, two hundred fifteen thousand, four hundred fifty-five.

Scientific notation

• Scientific notation: 1.381443868215455 × 10¹⁵

Factors of 1381443868215455

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 238

Divisors of 1381443868215455

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 11 31 55 121 155 191 341 605 955 961 1331 1705 2101 3751 4805 5921 6655 10505 10571 18755 23111 29605 29791 36481 41261 52855 65131 115555 116281 148955 182405 183551 206305 254221 325655 327701 401291 581405 716441 917755 1130911 1271105 1279091 1638505 2006455 2019061 3582205 3604711 4414201 5654555 5690081 6395455 6967871 7880851 10095305 12440021 18023555 22071005 22209671 28450405 34839355 35058241 39404255 39651821 48556211 62200105 62590891 76646581 111048355 136840231 175291205 198259105 216004001 242781055 244306381 312954455 383232905 385640651 684201155 688499801 843112391 1080020005 1086805471 1221531905 1505242541 1928203255 2376044011 3442499005 4215561955 4242047161 5434027355 6696124031 7526212705 7573497811 9274236301 11880220055 11954860181 21210235805 26136484121 33480620155 37867489055 46371181505 46662518771 59774300905 73657364341 130682420605 131503461991 207579844961 233312593855 287501325331 368286821705 657517309955 810231007751 1037899224805 1437506626655 1446538081901 2283378294571 4051155038755 7232690409505 8912541085261 11416891472855 25117161240281 44562705426305 125585806201405 276288773643091 1381443868215455
• Sum of all divisors σ(n): 1894075319844864
• Sum of proper divisors (its aliquot sum) s(n): 512631451629409
• 1381443868215455 is a deficient number, because the sum of its proper divisors (512631451629409) is less than itself. Its deficiency is 868812416586046

Bases of 1381443868215455

• Binary: 100111010000110101001110111000010101100100010011111₂
• Hexadecimal: 0x4E86A770AC89F
• Base-36: DLOIJVB82N

Squares and roots of 1381443868215455

• 1381443868215455 squared (1381443868215455²) is 1908387161030079401206300857025
• 1381443868215455 cubed (1381443868215455³) is 2636329741786103308129291879287234523850321375
• The square root of 1381443868215455 is 37167779.9742660847
• The cube root of 1381443868215455 is 111372.4433829999

Scales and comparisons

• 1,381,443,868,215,455 seconds is equal to 43,925,641 years, 47 weeks, 6 days, 21 hours, 37 minutes, 35 seconds.
• To count from 1 to 1,381,443,868,215,455 would take you about one hundred thirty-one million, seven hundred seventy-six thousand, nine hundred twenty-five 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 1381443868215455 cubic inches would be around 9281 feet tall.

Recreational maths with 1381443868215455

• 1381443868215455 backwards is 5545128683441831
• The number of decimal digits it has is: 16
• The sum of 1381443868215455's digits is 68
• More coming soon!