40168493442

Names of 40168493442

• Cardinal: 40168493442 can be written as Forty billion, one hundred sixty-eight million, four hundred ninety-three thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 4.0168493442 × 10¹⁰

Factors of 40168493442

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 28981620

Divisors of 40168493442

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 28981597 57963194 86944791 173889582 202871179 260834373 318797567 405742358 521668746 608613537 637595134 956392701 1217227074 1825840611 1912785402 2231582969 2869178103 3651681222 4463165938 5738356206 6694748907 13389497814 20084246721 40168493442
• Sum of all divisors σ(n): 108507102912
• Sum of proper divisors (its aliquot sum) s(n): 68338609470
• 40168493442 is an abundant number, because the sum of its proper divisors (68338609470) is greater than itself. Its abundance is 28170116028

Bases of 40168493442

• Binary: 100101011010001110101001000110000010₂
• Hexadecimal: 0x95A3A9182
• Base-36: IGBA7WI

Squares and roots of 40168493442

• 40168493442 squared (40168493442²) is 1613507865399997007364
• 40168493442 cubed (40168493442³) is 64812180109935198497120459706888
• The square root of 40168493442 is 200420.7909424569
• The cube root of 40168493442 is 3424.7471620981

Scales and comparisons

• 40,168,493,442 seconds is equal to 1,277 years, 12 weeks, 1 day, 2 hours, 50 minutes, 42 seconds.
• To count from 1 to 40,168,493,442 would take you about two thousand, five hundred fifty-four 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 40168493442 cubic inches would be around 285.4 feet tall.

Recreational maths with 40168493442

• 40168493442 backwards is 24439486104
• The number of decimal digits it has is: 11
• The sum of 40168493442's digits is 45
• More coming soon!