1390545141

Names of 1390545141

• Cardinal: 1390545141 can be written as One billion, three hundred ninety million, five hundred forty-five thousand, one hundred forty-one.

Scientific notation

• Scientific notation: 1.390545141 × 10⁹

Factors of 1390545141

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 89140

Divisors of 1390545141

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 17 51 307 921 5219 15657 88813 266439 1509821 4529463 27265591 81796773 463515047 1390545141
• Sum of all divisors σ(n): 1969539264
• Sum of proper divisors (its aliquot sum) s(n): 578994123
• 1390545141 is a deficient number, because the sum of its proper divisors (578994123) is less than itself. Its deficiency is 811551018

Bases of 1390545141

• Binary: 1010010111000100000100011110101₂
• Hexadecimal: 0x52E208F5
• Base-36: MZW7HX

Squares and roots of 1390545141

• 1390545141 squared (1390545141²) is 1933615789158709881
• 1390545141 cubed (1390545141³) is 2688780040175524502853238221
• The square root of 1390545141 is 37290.0139581631
• The cube root of 1390545141 is 1116.1649071903

Scales and comparisons

• 1,390,545,141 seconds is equal to 44 years, 11 weeks, 1 day, 6 hours, 32 minutes, 21 seconds.
• To count from 1 to 1,390,545,141 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 1390545141 cubic inches would be around 93 feet tall.

Recreational maths with 1390545141

• 1390545141 backwards is 1415450931
• The number of decimal digits it has is: 10
• The sum of 1390545141's digits is 33
• More coming soon!