3997926738

Names of 3997926738

• Cardinal: 3997926738 can be written as Three billion, nine hundred ninety-seven million, nine hundred twenty-six thousand, seven hundred thirty-eight.

Scientific notation

• Scientific notation: 3.997926738 × 10⁹

Factors of 3997926738

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1593

Divisors of 3997926738

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 13 18 26 37 39 74 78 111 117 222 234 333 409 481 666 818 962 1129 1227 1443 2258 2454 2886 3387 3681 4329 5317 6774 7362 8658 10161 10634 14677 15133 15951 20322 29354 30266 31902 41773 44031 45399 47853 83546 88062 90798 95706 125319 132093 136197 196729 250638 264186 272394 375957 393458 461761 543049 590187 751914 923522 1086098 1180374 1385283 1629147 1770561 2770566 3258294 3541122 4155849 4887441 6002893 8311698 9774882 12005786 17085157 18008679 34170314 36017358 51255471 54026037 102510942 108052074 153766413 222107041 307532826 444214082 666321123 1332642246 1998963369 3997926738
• Sum of all divisors σ(n): 9612548400
• Sum of proper divisors (its aliquot sum) s(n): 5614621662
• 3997926738 is an abundant number, because the sum of its proper divisors (5614621662) is greater than itself. Its abundance is 1616694924

Bases of 3997926738

• Binary: 11101110010010111000010101010010₂
• Hexadecimal: 0xEE4B8552
• Base-36: 1U49G0I

Squares and roots of 3997926738

• 3997926738 squared (3997926738²) is 15983418202415320644
• 3997926738 cubed (3997926738³) is 63900534996072106583490979272
• The square root of 3997926738 is 63229.1605036789
• The cube root of 3997926738 is 1587.1267463805

Scales and comparisons

• 3,997,926,738 seconds is equal to 127 years, 6 weeks, 2 days, 7 hours, 12 minutes, 18 seconds.
• To count from 1 to 3,997,926,738 would take you about two 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 3997926738 cubic inches would be around 132.3 feet tall.

Recreational maths with 3997926738

• 3997926738 backwards is 8376297993
• The number of decimal digits it has is: 10
• The sum of 3997926738's digits is 63
• More coming soon!