1387940725105

Names of 1387940725105

• Cardinal: 1387940725105 can be written as One trillion, three hundred eighty-seven billion, nine hundred forty million, seven hundred twenty-five thousand, one hundred five.

Scientific notation

• Scientific notation: 1.387940725105 × 10¹²

Factors of 1387940725105

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4353227

Divisors of 1387940725105

• Number of divisors d(n): 48
• Complete list of divisors:
  1 5 11 17 31 55 85 121 155 187 341 527 605 935 1705 2057 2635 3751 5797 10285 18755 28985 63767 318835 4353163 21765815 47884793 74003771 134948053 239423965 370018855 526732723 674740265 814041481 1484428583 2294116901 2633663615 4070207405 7422142915 8954456291 11470584505 16328714413 25235285911 44772281455 81643572065 126176429555 277588145021 1387940725105
• Sum of all divisors σ(n): 2000923126272
• Sum of proper divisors (its aliquot sum) s(n): 612982401167
• 1387940725105 is a deficient number, because the sum of its proper divisors (612982401167) is less than itself. Its deficiency is 774958323938

Bases of 1387940725105

• Binary: 10100001100100111101101101100000101110001₂
• Hexadecimal: 0x14327B6C171
• Base-36: HPM02LIP

Squares and roots of 1387940725105

• 1387940725105 squared (1387940725105²) is 1926379456404993177261025
• 1387940725105 cubed (1387940725105³) is 2673700499550121966990244836355532625
• The square root of 1387940725105 is 1178108.9614738529
• The cube root of 1387940725105 is 11154.6763284107

Scales and comparisons

• 1,387,940,725,105 seconds is equal to 44,132 years, 11 weeks, 3 days, 18 hours, 18 minutes, 25 seconds.
• To count from 1 to 1,387,940,725,105 would take you about one hundred ten thousand, three hundred thirty 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 1387940725105 cubic inches would be around 929.6 feet tall.

Recreational maths with 1387940725105

• 1387940725105 backwards is 5015270497831
• The number of decimal digits it has is: 13
• The sum of 1387940725105's digits is 52
• More coming soon!