19389131240

Names of 19389131240

• Cardinal: 19389131240 can be written as Nineteen billion, three hundred eighty-nine million, one hundred thirty-one thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.938913124 × 10¹⁰

Factors of 19389131240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 20578

Divisors of 19389131240

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 40 41 82 164 205 328 410 593 820 1186 1640 2372 2965 4744 5930 11860 19937 23720 24313 39874 48626 79748 97252 99685 121565 159496 194504 199370 243130 398740 486260 797480 817417 972520 1634834 3269668 4087085 6539336 8174170 11822641 16348340 23645282 32696680 47290564 59113205 94581128 118226410 236452820 472905640 484728281 969456562 1938913124 2423641405 3877826248 4847282810 9694565620 19389131240
• Sum of all divisors σ(n): 44767190160
• Sum of proper divisors (its aliquot sum) s(n): 25378058920
• 19389131240 is an abundant number, because the sum of its proper divisors (25378058920) is greater than itself. Its abundance is 5988927680

Bases of 19389131240

• Binary: 10010000011101011101010100111101000₂
• Hexadecimal: 0x483AEA9E8
• Base-36: 8WNSDEW

Squares and roots of 19389131240

• 19389131240 squared (19389131240²) is 375938410241943937600
• 19389131240 cubed (19389131240³) is 7289119174338011158848770624000
• The square root of 19389131240 is 139244.8607310159
• The cube root of 19389131240 is 2686.4954957751

Scales and comparisons

• 19,389,131,240 seconds is equal to 616 years, 26 weeks, 5 days, 5 hours, 47 minutes, 20 seconds.
• To count from 1 to 19,389,131,240 would take you about one thousand, two hundred thirty-three 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 19389131240 cubic inches would be around 223.9 feet tall.

Recreational maths with 19389131240

• 19389131240 backwards is 04213198391
• 19389131240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19389131240's digits is 41
• More coming soon!