6445143

Names of 6445143

• Cardinal: 6445143 can be written as Six million, four hundred forty-five thousand, one hundred forty-three.

Scientific notation

• Scientific notation: 6.445143 × 10⁶

Factors of 6445143

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 238712

Divisors of 6445143

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 9 27 238709 716127 2148381 6445143
• Sum of all divisors σ(n): 9548400
• Sum of proper divisors (its aliquot sum) s(n): 3103257
• 6445143 is a deficient number, because the sum of its proper divisors (3103257) is less than itself. Its deficiency is 3341886

Bases of 6445143

• Binary: 11000100101100001010111₂
• Hexadecimal: 0x625857
• Base-36: 3U53R

Squares and roots of 6445143

• 6445143 squared (6445143²) is 41539868290449
• 6445143 cubed (6445143³) is 267730391333109339207
• The square root of 6445143 is 2538.7286188169
• The cube root of 6445143 is 186.0990627349

Scales and comparisons

• 6,445,143 seconds is equal to 10 weeks, 4 days, 14 hours, 19 minutes, 3 seconds.
• To count from 1 to 6,445,143 would take you about fifteen weeks!

  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 6445143 cubic inches would be around 15.5 feet tall.

Recreational maths with 6445143

• 6445143 backwards is 3415446
• 6445143 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 6445143's digits is 27
• More coming soon!