19450728400

Names of 19450728400

• Cardinal: 19450728400 can be written as Nineteen billion, four hundred fifty million, seven hundred twenty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 1.94507284 × 10¹⁰

Factors of 19450728400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 797229

Divisors of 19450728400

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 40 50 61 80 100 122 200 244 305 400 488 610 976 1220 1525 2440 3050 4880 6100 12200 24400 797161 1594322 3188644 3985805 6377288 7971610 12754576 15943220 19929025 31886440 39858050 48626821 63772880 79716100 97253642 159432200 194507284 243134105 318864400 389014568 486268210 778029136 972536420 1215670525 1945072840 2431341050 3890145680 4862682100 9725364200 19450728400
• Sum of all divisors σ(n): 47496506284
• Sum of proper divisors (its aliquot sum) s(n): 28045777884
• 19450728400 is an abundant number, because the sum of its proper divisors (28045777884) is greater than itself. Its abundance is 8595049484

Bases of 19450728400

• Binary: 10010000111010110101000111111010000₂
• Hexadecimal: 0x4875A8FD0
• Base-36: 8XOGM34

Squares and roots of 19450728400

• 19450728400 squared (19450728400²) is 378330835290566560000
• 19450728400 cubed (19450728400³) is 7358810322581945240682304000000
• The square root of 19450728400 is 139465.8682258853
• The cube root of 19450728400 is 2689.3373897145

Scales and comparisons

• 19,450,728,400 seconds is equal to 618 years, 24 weeks, 4 days, 4 hours, 6 minutes, 40 seconds.
• To count from 1 to 19,450,728,400 would take you about one thousand, two hundred thirty-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 19450728400 cubic inches would be around 224.1 feet tall.

Recreational maths with 19450728400

• 19450728400 backwards is 00482705491
• 19450728400 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19450728400's digits is 40
• More coming soon!