19990463445

Names of 19990463445

• Cardinal: 19990463445 can be written as Nineteen billion, nine hundred ninety million, four hundred sixty-three thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 1.9990463445 × 10¹⁰

Factors of 19990463445

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1973

Divisors of 19990463445

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 5 9 15 19 27 45 57 73 81 95 135 171 219 285 361 365 405 513 657 855 1083 1095 1387 1539 1805 1873 1971 2565 3249 3285 4161 5415 5619 5913 6935 7695 9365 9747 9855 12483 16245 16857 20805 26353 28095 29241 29565 35587 37449 48735 50571 62415 79059 84285 106761 112347 131765 136729 146205 151713 177935 187245 237177 252855 320283 395295 410187 533805 561735 676153 683645 711531 758565 960849 1185885 1230561 1601415 2028459 2050935 2134593 2597851 2882547 3380765 3557655 3691683 4804245 6085377 6152805 7793553 10142295 10672965 11075049 12989255 14412735 18256131 18458415 23380659 30426885 38967765 49359169 54768393 55375245 70141977 91280655 116903295 148077507 210425931 246795845 273841965 350709885 444232521 740387535 1052129655 1332697563 2221162605 3998092689 6663487815 19990463445
• Sum of all divisors σ(n): 38358613656
• Sum of proper divisors (its aliquot sum) s(n): 18368150211
• 19990463445 is a deficient number, because the sum of its proper divisors (18368150211) is less than itself. Its deficiency is 1622313234

Bases of 19990463445

• Binary: 10010100111100001100100001111010101₂
• Hexadecimal: 0x4A78643D5
• Base-36: 96LT0B9

Squares and roots of 19990463445

• 19990463445 squared (19990463445²) is 399618628745881268025
• 19990463445 cubed (19990463445³) is 7988561589885565682764009846125
• The square root of 19990463445 is 141387.6354035245
• The cube root of 19990463445 is 2713.9861114549

Scales and comparisons

• 19,990,463,445 seconds is equal to 635 years, 33 weeks, 2 hours, 30 minutes, 45 seconds.
• To count from 1 to 19,990,463,445 would take you about one thousand, two hundred seventy-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 19990463445 cubic inches would be around 226.2 feet tall.

Recreational maths with 19990463445

• 19990463445 backwards is 54436409991
• The number of decimal digits it has is: 11
• The sum of 19990463445's digits is 54
• More coming soon!