6491484909

Names of 6491484909

• Cardinal: 6491484909 can be written as Six billion, four hundred ninety-one million, four hundred eighty-four thousand, nine hundred nine.

Scientific notation

• Scientific notation: 6.491484909 × 10⁹

Factors of 6491484909

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 28463

Divisors of 6491484909

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 9 13 21 27 31 39 63 81 91 93 117 189 217 273 279 351 403 567 651 819 837 1053 1209 1953 2457 2511 2821 3627 5859 7371 8463 10881 17577 25389 28409 32643 76167 85227 198863 228501 255681 369317 596589 767043 880679 1107951 1789767 2301129 2585219 2642037 3323853 5369301 6164753 7755657 7926111 9971559 11448827 16107903 18494259 23266971 23778333 29914677 34346481 55482777 69800913 71334999 80141789 103039443 166448331 209402739 240425367 309118329 499344993 721276101 927354987 2163828303 6491484909
• Sum of all divisors σ(n): 12320394240
• Sum of proper divisors (its aliquot sum) s(n): 5828909331
• 6491484909 is a deficient number, because the sum of its proper divisors (5828909331) is less than itself. Its deficiency is 662575578

Bases of 6491484909

• Binary: 110000010111011000011001011101101₂
• Hexadecimal: 0x182EC32ED
• Base-36: 2ZCV1T9

Squares and roots of 6491484909

• 6491484909 squared (6491484909²) is 42139376323774738281
• 6491484909 cubed (6491484909³) is 273547125480455611466536101429
• The square root of 6491484909 is 80569.7518241183
• The cube root of 6491484909 is 1865.4402819765

Scales and comparisons

• 6,491,484,909 seconds is equal to 206 years, 21 weeks, 1 day, 22 hours, 15 minutes, 9 seconds.
• To count from 1 to 6,491,484,909 would take you about four hundred twelve 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 6491484909 cubic inches would be around 155.5 feet tall.

Recreational maths with 6491484909

• 6491484909 backwards is 9094841946
• The number of decimal digits it has is: 10
• The sum of 6491484909's digits is 54
• More coming soon!