6421168740

Names of 6421168740

• Cardinal: 6421168740 can be written as Six billion, four hundred twenty-one million, one hundred sixty-eight thousand, seven hundred forty.

Scientific notation

• Scientific notation: 6.42116874 × 10⁹

Factors of 6421168740

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2184088

Divisors of 6421168740

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 420 490 588 735 980 1470 2940 2184071 4368142 6552213 8736284 10920355 13104426 15288497 21840710 26208852 30576994 32761065 43681420 45865491 61153988 65522130 76442485 91730982 107019479 131044260 152884970 183461964 214038958 229327455 305769940 321058437 428077916 458654910 535097395 642116874 917309820 1070194790 1284233748 1605292185 2140389580 3210584370 6421168740
• Sum of all divisors σ(n): 20914673472
• Sum of proper divisors (its aliquot sum) s(n): 14493504732
• 6421168740 is an abundant number, because the sum of its proper divisors (14493504732) is greater than itself. Its abundance is 8072335992

Bases of 6421168740

• Binary: 101111110101110110100001001100100₂
• Hexadecimal: 0x17EBB4264
• Base-36: 2Y6ZXIC

Squares and roots of 6421168740

• 6421168740 squared (6421168740²) is 41231407987553187600
• 6421168740 cubed (6421168740³) is 264753828075862837304475624000
• The square root of 6421168740 is 80132.1954023475
• The cube root of 6421168740 is 1858.6802929067

Scales and comparisons

• 6,421,168,740 seconds is equal to 204 years, 9 weeks, 1 hour, 59 minutes.
• To count from 1 to 6,421,168,740 would take you about four hundred 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 6421168740 cubic inches would be around 154.9 feet tall.

Recreational maths with 6421168740

• 6421168740 backwards is 0478611246
• The number of decimal digits it has is: 10
• The sum of 6421168740's digits is 39
• More coming soon!