6440815331

Names of 6440815331

• Cardinal: 6440815331 can be written as Six billion, four hundred forty million, eight hundred fifteen thousand, three hundred thirty-one.

Scientific notation

• Scientific notation: 6.440815331 × 10⁹

Factors of 6440815331

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 314341

Divisors of 6440815331

• Number of divisors d(n): 8
• Complete list of divisors:
  1 73 281 20513 313987 22921051 88230347 6440815331
• Sum of all divisors σ(n): 6552301584
• Sum of proper divisors (its aliquot sum) s(n): 111486253
• 6440815331 is a deficient number, because the sum of its proper divisors (111486253) is less than itself. Its deficiency is 6329329078

Bases of 6440815331

• Binary: 101111111111001110000101011100011₂
• Hexadecimal: 0x17FE70AE3
• Base-36: 2YIP0WZ

Squares and roots of 6440815331

• 6440815331 squared (6440815331²) is 41484102128044639561
• 6440815331 cubed (6440815331³) is 267191440979079639536857909691
• The square root of 6440815331 is 80254.6903987549
• The cube root of 6440815331 is 1860.5740058867

Scales and comparisons

• 6,440,815,331 seconds is equal to 204 years, 41 weeks, 3 days, 11 hours, 22 minutes, 11 seconds.
• To count from 1 to 6,440,815,331 would take you about four hundred nine 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 6440815331 cubic inches would be around 155 feet tall.

Recreational maths with 6440815331

• 6440815331 backwards is 1335180446
• The number of decimal digits it has is: 10
• The sum of 6440815331's digits is 35
• More coming soon!