1389643344390

Names of 1389643344390

• Cardinal: 1389643344390 can be written as One trillion, three hundred eighty-nine billion, six hundred forty-three million, three hundred forty-four thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.38964334439 × 10¹²

Factors of 1389643344390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1613797

Divisors of 1389643344390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 4111 8222 12333 20555 24666 28777 41110 57554 61665 86331 123330 143885 172662 287770 431655 863310 1609669 3219338 4829007 8048345 9658014 11267683 16096690 22535366 24145035 33803049 48290070 56338415 67606098 112676830 169015245 338030490 6617349259 13234698518 19852047777 33086746295 39704095554 46321444813 66173492590 92642889626 99260238885 138964334439 198520477770 231607224065 277928668878 463214448130 694821672195 1389643344390
• Sum of all divisors σ(n): 3812522711040
• Sum of proper divisors (its aliquot sum) s(n): 2422879366650
• 1389643344390 is an abundant number, because the sum of its proper divisors (2422879366650) is greater than itself. Its abundance is 1033236022260

Bases of 1389643344390

• Binary: 10100001110001101001100101010101000000110₂
• Hexadecimal: 0x1438D32AA06
• Base-36: HQE5RMYU

Squares and roots of 1389643344390

• 1389643344390 squared (1389643344390²) is 1931108624607424144472100
• 1389643344390 cubed (1389643344390³) is 2683552247479833938947443575046519000
• The square root of 1389643344390 is 1178831.3468813085
• The cube root of 1389643344390 is 11159.2356984989

Scales and comparisons

• 1,389,643,344,390 seconds is equal to 44,186 years, 18 weeks, 5 days, 6 minutes, 30 seconds.
• To count from 1 to 1,389,643,344,390 would take you about one hundred ten thousand, four hundred sixty-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 1389643344390 cubic inches would be around 929.9 feet tall.

Recreational maths with 1389643344390

• 1389643344390 backwards is 0934433469831
• The number of decimal digits it has is: 13
• The sum of 1389643344390's digits is 57
• More coming soon!