19838499849

Names of 19838499849

• Cardinal: 19838499849 can be written as Nineteen billion, eight hundred thirty-eight million, four hundred ninety-nine thousand, eight hundred forty-nine.

Scientific notation

• Scientific notation: 1.9838499849 × 10¹⁰

Factors of 19838499849

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2988

Divisors of 19838499849

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 19 21 57 61 63 97 133 171 183 291 399 427 549 679 873 1159 1197 1281 1843 2037 2801 3477 3843 5529 5917 6111 8113 8403 10431 12901 16587 17751 19607 24339 25209 38703 41419 53219 53253 58821 73017 112423 116109 124257 159657 170861 176463 271697 337269 372533 372771 478971 512583 786961 815091 1011807 1117599 1196027 1537749 1901879 2360883 2445273 3246359 3352797 3588081 5162243 5705637 7082649 9739077 10764243 15486729 16573517 17116911 22724513 29217231 36135701 46460187 49720551 68173539 108407103 116014619 149161653 204520617 314896823 325221309 348043857 944690469 1044131571 2204277761 2834071407 6612833283 19838499849
• Sum of all divisors σ(n): 35411900160
• Sum of proper divisors (its aliquot sum) s(n): 15573400311
• 19838499849 is a deficient number, because the sum of its proper divisors (15573400311) is less than itself. Its deficiency is 4265099538

Bases of 19838499849

• Binary: 10010011110011101110111110000001001₂
• Hexadecimal: 0x49E777C09
• Base-36: 943BWG9

Squares and roots of 19838499849

• 19838499849 squared (19838499849²) is 393566076258773022801
• 19838499849 cubed (19838499849³) is 7807760544431191097762912057049
• The square root of 19838499849 is 140849.2096143957
• The cube root of 19838499849 is 2707.0915474621

Scales and comparisons

• 19,838,499,849 seconds is equal to 630 years, 41 weeks, 5 days, 6 hours, 24 minutes, 9 seconds.
• To count from 1 to 19,838,499,849 would take you about one thousand, two hundred sixty-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 19838499849 cubic inches would be around 225.6 feet tall.

Recreational maths with 19838499849

• 19838499849 backwards is 94899483891
• The number of decimal digits it has is: 11
• The sum of 19838499849's digits is 72
• More coming soon!