1393139946

Names of 1393139946

• Cardinal: 1393139946 can be written as One billion, three hundred ninety-three million, one hundred thirty-nine thousand, nine hundred forty-six.

Scientific notation

• Scientific notation: 1.393139946 × 10⁹

Factors of 1393139946

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3867

Divisors of 1393139946

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 22 23 33 46 66 69 138 253 257 506 514 759 771 1518 1542 2827 3571 5654 5911 7142 8481 10713 11822 16962 17733 21426 35466 39281 65021 78562 82133 117843 130042 164266 195063 235686 246399 390126 492798 903463 917747 1806926 1835494 2710389 2753241 5420778 5506482 10095217 20190434 21108181 30285651 42216362 60571302 63324543 126649086 232189991 464379982 696569973 1393139946
• Sum of all divisors σ(n): 3184966656
• Sum of proper divisors (its aliquot sum) s(n): 1791826710
• 1393139946 is an abundant number, because the sum of its proper divisors (1791826710) is greater than itself. Its abundance is 398686764

Bases of 1393139946

• Binary: 1010011000010011010000011101010₂
• Hexadecimal: 0x5309A0EA
• Base-36: N1FTNU

Squares and roots of 1393139946

• 1393139946 squared (1393139946²) is 1940838909140882916
• 1393139946 cubed (1393139946³) is 2703860213075228531988562536
• The square root of 1393139946 is 37324.7899659195
• The cube root of 1393139946 is 1116.8587431481

Scales and comparisons

• 1,393,139,946 seconds is equal to 44 years, 15 weeks, 3 days, 7 hours, 19 minutes, 6 seconds.
• To count from 1 to 1,393,139,946 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 1393139946 cubic inches would be around 93.1 feet tall.

Recreational maths with 1393139946

• 1393139946 backwards is 6499313931
• The number of decimal digits it has is: 10
• The sum of 1393139946's digits is 48
• More coming soon!