1393996747

Names of 1393996747

• Cardinal: 1393996747 can be written as One billion, three hundred ninety-three million, nine hundred ninety-six thousand, seven hundred forty-seven.

Scientific notation

• Scientific notation: 1.393996747 × 10⁹

Factors of 1393996747

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 272

Divisors of 1393996747

• Number of divisors d(n): 64
• Complete list of divisors:
  1 11 13 31 43 71 103 143 341 403 473 559 781 923 1133 1333 1339 2201 3053 3193 4429 4433 6149 7313 10153 14663 14729 17329 24211 28613 33583 35123 39689 41509 48719 57577 80443 94643 95069 137299 190619 226703 314459 314743 436579 456599 633347 1041073 1045759 1230359 1510289 1784887 2493733 2947139 3459049 4087967 9748229 13533949 19633757 32418529 44967637 107230519 126726977 1393996747
• Sum of all divisors σ(n): 1771241472
• Sum of proper divisors (its aliquot sum) s(n): 377244725
• 1393996747 is a deficient number, because the sum of its proper divisors (377244725) is less than itself. Its deficiency is 1016752022

Bases of 1393996747

• Binary: 1010011000101101011001111001011₂
• Hexadecimal: 0x5316B3CB
• Base-36: N1Y6RV

Squares and roots of 1393996747

• 1393996747 squared (1393996747²) is 1943226930646582009
• 1393996747 cubed (1393996747³) is 2708852020004129927214724723
• The square root of 1393996747 is 37336.2658416719
• The cube root of 1393996747 is 1117.0876575949

Scales and comparisons

• 1,393,996,747 seconds is equal to 44 years, 16 weeks, 6 days, 5 hours, 19 minutes, 7 seconds.
• To count from 1 to 1,393,996,747 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 1393996747 cubic inches would be around 93.1 feet tall.

Recreational maths with 1393996747

• 1393996747 backwards is 7476993931
• The number of decimal digits it has is: 10
• The sum of 1393996747's digits is 58
• More coming soon!