9420749939420

Names of 9420749939420

• Cardinal: 9420749939420 can be written as Nine trillion, four hundred twenty billion, seven hundred forty-nine million, nine hundred thirty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 9.42074993942 × 10¹²

Factors of 9420749939420

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 8313

Divisors of 9420749939420

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 19 20 38 76 95 190 361 380 722 1444 1805 3610 6859 7220 8287 13718 16574 27436 33148 34295 41435 68590 82870 137180 157453 165740 314906 629812 787265 1574530 2991607 3149060 5983214 11966428 14958035 29916070 56840533 59832140 68674369 113681066 137348738 227362132 274697476 284202665 343371845 568405330 686743690 1136810660 1304813011 1373487380 2609626022 5219252044 6524065055 13048130110 24791447209 26096260220 49582894418 99165788836 123957236045 247914472090 471037496971 495828944180 942074993942 1884149987884 2355187484855 4710374969710 9420749939420
• Sum of all divisors σ(n): 20885022340560
• Sum of proper divisors (its aliquot sum) s(n): 11464272401140
• 9420749939420 is an abundant number, because the sum of its proper divisors (11464272401140) is greater than itself. Its abundance is 2043522461720

Bases of 9420749939420

• Binary: 10001001000101110000011101000010001011011100₂
• Hexadecimal: 0x891707422DC
• Base-36: 3C7TZ9ZH8

Squares and roots of 9420749939420

• 9420749939420 squared (9420749939420²) is 88750529421081933669936400
• 9420749939420 cubed (9420749939420³) is 836096544667150554291909798575252888000
• The square root of 9420749939420 is 3069324.0199464115
• The cube root of 9420749939420 is 21120.0605390939

Scales and comparisons

• 9,420,749,939,420 seconds is equal to 299,550 years, 36 weeks, 5 days, 15 hours, 10 minutes, 20 seconds.
• To count from 1 to 9,420,749,939,420 would take you about seven hundred forty-eight thousand, eight hundred seventy-six 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 9420749939420 cubic inches would be around 1760 feet tall.

Recreational maths with 9420749939420

• 9420749939420 backwards is 0249399470249
• The number of decimal digits it has is: 13
• The sum of 9420749939420's digits is 62
• More coming soon!