855006009

Names of 855006009

• Cardinal: 855006009 can be written as Eight hundred fifty-five million, six thousand and nine.

Scientific notation

• Scientific notation: 8.55006009 × 10⁸

Factors of 855006009

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 566

Divisors of 855006009

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 13 31 33 39 93 143 239 269 341 403 429 717 807 1023 1209 2629 2959 3107 3497 4433 7409 7887 8339 8877 9321 10491 13299 22227 25017 34177 38467 64291 81499 91729 96317 102531 108407 115401 192873 244497 275187 288951 325221 707201 835783 1059487 1192477 1993021 2121603 2507349 3178461 3577431 5979063 9193613 21923231 25909273 27580839 65769693 77727819 285002003 855006009
• Sum of all divisors σ(n): 1393459200
• Sum of proper divisors (its aliquot sum) s(n): 538453191
• 855006009 is a deficient number, because the sum of its proper divisors (538453191) is less than itself. Its deficiency is 316552818

Bases of 855006009

• Binary: 110010111101100101101100111001₂
• Hexadecimal: 0x32F65B39
• Base-36: E51QUX

Squares and roots of 855006009

• 855006009 squared (855006009²) is 731035275426108081
• 855006009 cubed (855006009³) is 625039553280292444738458729
• The square root of 855006009 is 29240.4857859783
• The cube root of 855006009 is 949.1242192965

Scales and comparisons

• 855,006,009 seconds is equal to 27 years, 9 weeks, 4 days, 21 hours, 40 minutes, 9 seconds.
• To count from 1 to 855,006,009 would take you about forty 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 855006009 cubic inches would be around 79.1 feet tall.

Recreational maths with 855006009

• 855006009 backwards is 900600558
• 855006009 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 855006009's digits is 33
• More coming soon!