1380428430027855

Names of 1380428430027855

• Cardinal: 1380428430027855 can be written as One quadrillion, three hundred eighty trillion, four hundred twenty-eight billion, four hundred thirty million, twenty-seven thousand, eight hundred fifty-five.

Scientific notation

• Scientific notation: 1.380428430027855 × 10¹⁵

Factors of 1380428430027855

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7447867

Divisors of 1380428430027855

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 5 13 15 39 65 169 195 507 845 2535 73847 221541 369235 960011 1107705 2880033 4800055 7373999 12480143 14400165 22121997 36869995 37440429 62400715 95861987 110609985 187202145 287585961 479309935 1246205831 1437929805 3738617493 6231029155 18693087465 544547704153 1633643112459 2722738520765 7079120153989 8168215562295 21237360461967 35395600769945 92028562001857 106186802309835 276085686005571 460142810009285 1380428430027855
• Sum of all divisors σ(n): 2391686227584000
• Sum of proper divisors (its aliquot sum) s(n): 1011257797556145
• 1380428430027855 is a deficient number, because the sum of its proper divisors (1011257797556145) is less than itself. Its deficiency is 369170632471710

Bases of 1380428430027855

• Binary: 100111001110111111000001010001101011010110001001111₂
• Hexadecimal: 0x4E77E0A35AC4F
• Base-36: DLBK2DMS0F

Squares and roots of 1380428430027855

• 1380428430027855 squared (1380428430027855²) is 1905582650429168567836075901025
• 1380428430027855 cubed (1380428430027855³) is 2630520466420255997031007243869850034973051375
• The square root of 1380428430027855 is 37154117.2688553455
• The cube root of 1380428430027855 is 111345.1483777329

Scales and comparisons

• 1,380,428,430,027,855 seconds is equal to 43,893,354 years, 6 weeks, 5 days, 2 hours, 24 minutes, 15 seconds.
• To count from 1 to 1,380,428,430,027,855 would take you about one hundred thirty-one million, six hundred eighty thousand and sixty-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 1380428430027855 cubic inches would be around 9278.8 feet tall.

Recreational maths with 1380428430027855

• 1380428430027855 backwards is 5587200348240831
• The number of decimal digits it has is: 16
• The sum of 1380428430027855's digits is 60
• More coming soon!