19809994240

Names of 19809994240

• Cardinal: 19809994240 can be written as Nineteen billion, eight hundred nine million, nine hundred ninety-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.980999424 × 10¹⁰

Factors of 19809994240

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 46511

Divisors of 19809994240

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 128 160 167 256 320 334 512 640 668 835 1280 1336 1670 2560 2672 3340 5344 6680 10688 13360 21376 26720 42752 46337 53440 85504 92674 106880 185348 213760 231685 370696 427520 463370 741392 926740 1482784 1853480 2965568 3706960 5931136 7413920 7738279 11862272 14827840 15476558 23724544 29655680 30953116 38691395 59311360 61906232 77382790 118622720 123812464 154765580 247624928 309531160 495249856 619062320 990499712 1238124640 1980999424 2476249280 3961998848 4952498560 9904997120 19809994240
• Sum of all divisors σ(n): 47783004192
• Sum of proper divisors (its aliquot sum) s(n): 27973009952
• 19809994240 is an abundant number, because the sum of its proper divisors (27973009952) is greater than itself. Its abundance is 8163015712

Bases of 19809994240

• Binary: 10010011100110001001000011000000000₂
• Hexadecimal: 0x49CC48600
• Base-36: 93MCXDS

Squares and roots of 19809994240

• 19809994240 squared (19809994240²) is 392435871788833177600
• 19809994240 cubed (19809994240³) is 7774152359706163744576897024000
• The square root of 19809994240 is 140747.9812999105
• The cube root of 19809994240 is 2705.7943344097

Scales and comparisons

• 19,809,994,240 seconds is equal to 629 years, 46 weeks, 4 days, 8 hours, 10 minutes, 40 seconds.
• To count from 1 to 19,809,994,240 would take you about one thousand, two hundred fifty-nine 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 19809994240 cubic inches would be around 225.5 feet tall.

Recreational maths with 19809994240

• 19809994240 backwards is 04249990891
• The number of decimal digits it has is: 11
• The sum of 19809994240's digits is 55
• More coming soon!