1389432230

Names of 1389432230

• Cardinal: 1389432230 can be written as One billion, three hundred eighty-nine million, four hundred thirty-two thousand, two hundred thirty.

Scientific notation

• Scientific notation: 1.38943223 × 10⁹

Factors of 1389432230

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 138943230

Divisors of 1389432230

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 5 10 138943223 277886446 694716115 1389432230
• Sum of all divisors σ(n): 2500978032
• Sum of proper divisors (its aliquot sum) s(n): 1111545802
• 1389432230 is a deficient number, because the sum of its proper divisors (1111545802) is less than itself. Its deficiency is 277886428

Bases of 1389432230

• Binary: 1010010110100010000110110100110₂
• Hexadecimal: 0x52D10DA6
• Base-36: MZ8CRQ

Squares and roots of 1389432230

• 1389432230 squared (1389432230²) is 1930521921762772900
• 1389432230 cubed (1389432230³) is 2682329378818735081430567000
• The square root of 1389432230 is 37275.0885981509
• The cube root of 1389432230 is 1115.8670566791

Scales and comparisons

• 1,389,432,230 seconds is equal to 44 years, 9 weeks, 2 days, 9 hours, 23 minutes, 50 seconds.
• To count from 1 to 1,389,432,230 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 1389432230 cubic inches would be around 93 feet tall.

Recreational maths with 1389432230

• 1389432230 backwards is 0322349831
• The number of decimal digits it has is: 10
• The sum of 1389432230's digits is 35
• More coming soon!