1385212413

Names of 1385212413

• Cardinal: 1385212413 can be written as One billion, three hundred eighty-five million, two hundred twelve thousand, four hundred thirteen.

Scientific notation

• Scientific notation: 1.385212413 × 10⁹

Factors of 1385212413

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 226404

Divisors of 1385212413

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 13 39 157 471 2041 6123 226231 678693 2941003 8823009 35518267 106554801 461737471 1385212413
• Sum of all divisors σ(n): 2001700736
• Sum of proper divisors (its aliquot sum) s(n): 616488323
• 1385212413 is a deficient number, because the sum of its proper divisors (616488323) is less than itself. Its deficiency is 768724090

Bases of 1385212413

• Binary: 1010010100100001010100111111101₂
• Hexadecimal: 0x5290A9FD
• Base-36: MWPWQL

Squares and roots of 1385212413

• 1385212413 squared (1385212413²) is 1918813429129282569
• 1385212413 cubed (1385212413³) is 2657964180260977996363328997
• The square root of 1385212413 is 37218.4418400339
• The cube root of 1385212413 is 1114.7362519067

Scales and comparisons

• 1,385,212,413 seconds is equal to 44 years, 2 weeks, 2 days, 13 hours, 13 minutes, 33 seconds.
• To count from 1 to 1,385,212,413 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 1385212413 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385212413

• 1385212413 backwards is 3142125831
• The number of decimal digits it has is: 10
• The sum of 1385212413's digits is 30
• More coming soon!