1978020396

Names of 1978020396

• Cardinal: 1978020396 can be written as One billion, nine hundred seventy-eight million, twenty thousand, three hundred ninety-six.

Scientific notation

• Scientific notation: 1.978020396 × 10⁹

Factors of 1978020396

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 41297

Divisors of 1978020396

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 121 132 198 242 363 396 484 726 1089 1331 1452 2178 2662 3993 4356 5324 7986 11979 15972 23958 41281 47916 82562 123843 165124 247686 371529 454091 495372 743058 908182 1362273 1486116 1816364 2724546 4086819 4995001 5449092 8173638 9990002 14985003 16347276 19980004 29970006 44955009 54945011 59940012 89910018 109890022 164835033 179820036 219780044 329670066 494505099 659340132 989010198 1978020396
• Sum of all divisors σ(n): 5499753168
• Sum of proper divisors (its aliquot sum) s(n): 3521732772
• 1978020396 is an abundant number, because the sum of its proper divisors (3521732772) is greater than itself. Its abundance is 1543712376

Bases of 1978020396

• Binary: 1110101111001100011001000101100₂
• Hexadecimal: 0x75E6322C
• Base-36: WPNUB0

Squares and roots of 1978020396

• 1978020396 squared (1978020396²) is 3912564686991996816
• 1978020396 cubed (1978020396³) is 7739132751539525590815059136
• The square root of 1978020396 is 44474.9412141265
• The cube root of 1978020396 is 1255.2886107345

Scales and comparisons

• 1,978,020,396 seconds is equal to 62 years, 46 weeks, 3 days, 18 hours, 6 minutes, 36 seconds.
• To count from 1 to 1,978,020,396 would take you about one hundred twenty-five 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 1978020396 cubic inches would be around 104.6 feet tall.

Recreational maths with 1978020396

• 1978020396 backwards is 6930208791
• The number of decimal digits it has is: 10
• The sum of 1978020396's digits is 45
• More coming soon!