4145649729

Names of 4145649729

• Cardinal: 4145649729 can be written as Four billion, one hundred forty-five million, six hundred forty-nine thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 4.145649729 × 10⁹

Factors of 4145649729

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 690

Divisors of 4145649729

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 19 39 57 97 137 247 291 411 421 741 1261 1263 1781 1843 2603 3783 5343 5473 5529 7809 7999 13289 16419 23959 23997 33839 39867 40837 57677 71877 101517 103987 122511 172757 173031 252491 311961 518271 530881 749801 757473 775903 1095863 1592643 2249403 2327709 3282383 3287589 5594669 9847149 10086739 14246219 16784007 30260217 42738657 72730697 106298711 218192091 318896133 1381883243 4145649729
• Sum of all divisors σ(n): 6391983360
• Sum of proper divisors (its aliquot sum) s(n): 2246333631
• 4145649729 is a deficient number, because the sum of its proper divisors (2246333631) is less than itself. Its deficiency is 1899316098

Bases of 4145649729

• Binary: 11110111000110011001100001000001₂
• Hexadecimal: 0xF7199841
• Base-36: 1WK7NSX

Squares and roots of 4145649729

• 4145649729 squared (4145649729²) is 17186411675557773441
• 4145649729 cubed (4145649729³) is 71248842905258519389525047489
• The square root of 4145649729 is 64386.7201292317
• The cube root of 4145649729 is 1606.4388618659

Scales and comparisons

• 4,145,649,729 seconds is equal to 131 years, 42 weeks, 4 days, 1 hour, 22 minutes, 9 seconds.
• To count from 1 to 4,145,649,729 would take you about two hundred sixty-three 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 4145649729 cubic inches would be around 133.9 feet tall.

Recreational maths with 4145649729

• 4145649729 backwards is 9279465414
• The number of decimal digits it has is: 10
• The sum of 4145649729's digits is 51
• More coming soon!