1385486040

Names of 1385486040

• Cardinal: 1385486040 can be written as One billion, three hundred eighty-five million, four hundred eighty-six thousand and forty.

Scientific notation

• Scientific notation: 1.38548604 × 10⁹

Factors of 1385486040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10292

Divisors of 1385486040

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 1283 2566 3849 5132 6415 7698 8999 10264 12830 15396 17998 19245 25660 26997 30792 35996 38490 44995 51320 53994 71992 76980 89990 107988 134985 153960 179980 215976 269970 359960 539940 1079880 11545717 23091434 34637151 46182868 57728585 69274302 92365736 115457170 138548604 173185755 230914340 277097208 346371510 461828680 692743020 1385486040
• Sum of all divisors σ(n): 4160160000
• Sum of proper divisors (its aliquot sum) s(n): 2774673960
• 1385486040 is an abundant number, because the sum of its proper divisors (2774673960) is greater than itself. Its abundance is 1389187920

Bases of 1385486040

• Binary: 1010010100101001101011011011000₂
• Hexadecimal: 0x5294D6D8
• Base-36: MWVRVC

Squares and roots of 1385486040

• 1385486040 squared (1385486040²) is 1919571567034881600
• 1385486040 cubed (1385486040³) is 2659539608907752649852864000
• The square root of 1385486040 is 37222.1176184271
• The cube root of 1385486040 is 1114.8096466321

Scales and comparisons

• 1,385,486,040 seconds is equal to 44 years, 2 weeks, 5 days, 17 hours, 14 minutes.
• To count from 1 to 1,385,486,040 would take you about eighty-eight 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 1385486040 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385486040

• 1385486040 backwards is 0406845831
• The number of decimal digits it has is: 10
• The sum of 1385486040's digits is 39
• More coming soon!