1399004581

Names of 1399004581

• Cardinal: 1399004581 can be written as One billion, three hundred ninety-nine million, four thousand, five hundred eighty-one.

Scientific notation

• Scientific notation: 1.399004581 × 10⁹

Factors of 1399004581

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 712851

Divisors of 1399004581

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 151 1963 712687 9264931 107615737 1399004581
• Sum of all divisors σ(n): 1516600064
• Sum of proper divisors (its aliquot sum) s(n): 117595483
• 1399004581 is a deficient number, because the sum of its proper divisors (117595483) is less than itself. Its deficiency is 1281409098

Bases of 1399004581

• Binary: 1010011011000110001110110100101₂
• Hexadecimal: 0x53631DA5
• Base-36: N4XIUD

Squares and roots of 1399004581

• 1399004581 squared (1399004581²) is 1957213817658985561
• 1399004581 cubed (1399004581³) is 2738151096901419495651854941
• The square root of 1399004581 is 37403.2696565421
• The cube root of 1399004581 is 1118.4237448785

Scales and comparisons

• 1,399,004,581 seconds is equal to 44 years, 25 weeks, 1 day, 4 hours, 23 minutes, 1 second.
• To count from 1 to 1,399,004,581 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 1399004581 cubic inches would be around 93.2 feet tall.

Recreational maths with 1399004581

• 1399004581 backwards is 1854009931
• The number of decimal digits it has is: 10
• The sum of 1399004581's digits is 40
• More coming soon!