1381386500

Names of 1381386500

• Cardinal: 1381386500 can be written as One billion, three hundred eighty-one million, three hundred eighty-six thousand, five hundred.

Scientific notation

• Scientific notation: 1.3813865 × 10⁹

Factors of 1381386500

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 481

Divisors of 1381386500

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 250 260 325 461 500 650 922 1300 1625 1844 2305 3250 4610 5993 6500 9220 11525 11986 23050 23972 29965 46100 57625 59930 115250 119860 149825 212521 230500 299650 425042 599300 749125 850084 1062605 1498250 2125210 2762773 2996500 4250420 5313025 5525546 10626050 11051092 13813865 21252100 26565125 27627730 53130250 55255460 69069325 106260500 138138650 276277300 345346625 690693250 1381386500
• Sum of all divisors σ(n): 3256084104
• Sum of proper divisors (its aliquot sum) s(n): 1874697604
• 1381386500 is an abundant number, because the sum of its proper divisors (1874697604) is greater than itself. Its abundance is 493311104

Bases of 1381386500

• Binary: 1010010010101100100100100000100₂
• Hexadecimal: 0x52564904
• Base-36: MUFWN8

Squares and roots of 1381386500

• 1381386500 squared (1381386500²) is 1908228662382250000
• 1381386500 cubed (1381386500³) is 2636001313127897989625000000
• The square root of 1381386500 is 37167.0082196563
• The cube root of 1381386500 is 1113.7090168039

Scales and comparisons

• 1,381,386,500 seconds is equal to 43 years, 48 weeks, 6 hours, 28 minutes, 20 seconds.
• To count from 1 to 1,381,386,500 would take you about eighty-seven 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 1381386500 cubic inches would be around 92.8 feet tall.

Recreational maths with 1381386500

• 1381386500 backwards is 0056831831
• The number of decimal digits it has is: 10
• The sum of 1381386500's digits is 35
• More coming soon!