19820749398

Names of 19820749398

• Cardinal: 19820749398 can be written as Nineteen billion, eight hundred twenty million, seven hundred forty-nine thousand, three hundred ninety-eight.

Scientific notation

• Scientific notation: 1.9820749398 × 10¹⁰

Factors of 19820749398

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2093

Divisors of 19820749398

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 61 79 122 158 183 237 366 461 474 922 1383 1487 2766 2974 4461 4819 8922 9638 14457 28121 28914 36419 56242 72838 84363 90707 109257 117473 168726 181414 218514 234946 272121 352419 544242 685507 704838 1371014 2056521 2221559 4113042 4443118 6664677 7165853 13329354 14331706 21497559 41815927 42995118 54155053 83631854 108310106 125447781 162465159 250895562 324930318 3303458233 6606916466 9910374699 19820749398
• Sum of all divisors σ(n): 40917381120
• Sum of proper divisors (its aliquot sum) s(n): 21096631722
• 19820749398 is an abundant number, because the sum of its proper divisors (21096631722) is greater than itself. Its abundance is 1275882324

Bases of 19820749398

• Binary: 10010011101011010001010001001010110₂
• Hexadecimal: 0x49D68A256
• Base-36: 93SRG46

Squares and roots of 19820749398

• 19820749398 squared (19820749398²) is 392862106698317362404
• 19820749398 cubed (19820749398³) is 7786821364837685628482030832792
• The square root of 19820749398 is 140786.1832638417
• The cube root of 19820749398 is 2706.2839186117

Scales and comparisons

• 19,820,749,398 seconds is equal to 630 years, 12 weeks, 2 days, 19 hours, 43 minutes, 18 seconds.
• To count from 1 to 19,820,749,398 would take you about one thousand, two hundred sixty 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 19820749398 cubic inches would be around 225.5 feet tall.

Recreational maths with 19820749398

• 19820749398 backwards is 89394702891
• The number of decimal digits it has is: 11
• The sum of 19820749398's digits is 60
• More coming soon!