2221809240

Names of 2221809240

• Cardinal: 2221809240 can be written as Two billion, two hundred twenty-one million, eight hundred nine thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.22180924 × 10⁹

Factors of 2221809240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2645028

Divisors of 2221809240

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2645011 5290022 7935033 10580044 13225055 15870066 18515077 21160088 26450110 31740132 37030154 39675165 52900220 55545231 63480264 74060308 79350330 92575385 105800440 111090462 148120616 158700660 185150770 222180924 277726155 317401320 370301540 444361848 555452310 740603080 1110904620 2221809240
• Sum of all divisors σ(n): 7617634560
• Sum of proper divisors (its aliquot sum) s(n): 5395825320
• 2221809240 is an abundant number, because the sum of its proper divisors (5395825320) is greater than itself. Its abundance is 3174016080

Bases of 2221809240

• Binary: 10000100011011100001111001011000₂
• Hexadecimal: 0x846E1E58
• Base-36: 10QT2ZC

Squares and roots of 2221809240

• 2221809240 squared (2221809240²) is 4936436298949377600
• 2221809240 cubed (2221809240³) is 10967819781677129443929024000
• The square root of 2221809240 is 47136.0715376239
• The cube root of 2221809240 is 1304.8750368445

Scales and comparisons

• 2,221,809,240 seconds is equal to 70 years, 33 weeks, 4 days, 9 hours, 14 minutes.
• To count from 1 to 2,221,809,240 would take you about one hundred forty-one 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 2221809240 cubic inches would be around 108.7 feet tall.

Recreational maths with 2221809240

• 2221809240 backwards is 0429081222
• 2221809240 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2221809240's digits is 30
• More coming soon!