1220312540

Names of 1220312540

• Cardinal: 1220312540 can be written as One billion, two hundred twenty million, three hundred twelve thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.22031254 × 10⁹

Factors of 1220312540

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 425

Divisors of 1220312540

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 20 37 67 74 134 148 151 163 185 268 302 326 335 370 604 652 670 740 755 815 1340 1510 1630 2479 3020 3260 4958 5587 6031 9916 10117 10921 11174 12062 12395 20234 21842 22348 24124 24613 24790 27935 30155 40468 43684 49226 49580 50585 54605 55870 60310 98452 101170 109210 111740 120620 123065 202340 218420 246130 374329 404077 492260 748658 808154 910681 1497316 1616308 1649071 1821362 1871645 2020385 3298142 3642724 3743290 4040770 4553405 6596284 7486580 8081540 8245355 9106810 16490710 18213620 32981420 61015627 122031254 244062508 305078135 610156270 1220312540
• Sum of all divisors σ(n): 2705385984
• Sum of proper divisors (its aliquot sum) s(n): 1485073444
• 1220312540 is an abundant number, because the sum of its proper divisors (1485073444) is greater than itself. Its abundance is 264760904

Bases of 1220312540

• Binary: 1001000101111000111110111011100₂
• Hexadecimal: 0x48BC7DDC
• Base-36: K6JJ6K

Squares and roots of 1220312540

• 1220312540 squared (1220312540²) is 1489162695281251600
• 1220312540 cubed (1220312540³) is 1817243911151910154375064000
• The square root of 1220312540 is 34932.9721037303
• The cube root of 1220312540 is 1068.6209677905

Scales and comparisons

• 1,220,312,540 seconds is equal to 38 years, 41 weeks, 4 days, 23 hours, 42 minutes, 20 seconds.
• To count from 1 to 1,220,312,540 would take you about seventy-seven 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 1220312540 cubic inches would be around 89.1 feet tall.

Recreational maths with 1220312540

• 1220312540 backwards is 0452130221
• 1220312540 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1220312540's digits is 20
• More coming soon!