2009879172

Names of 2009879172

• Cardinal: 2009879172 can be written as Two billion, nine million, eight hundred seventy-nine thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.009879172 × 10⁹

Factors of 2009879172

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 257324

Divisors of 2009879172

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 31 36 42 62 63 84 93 124 126 186 217 252 279 372 434 558 651 868 1116 1302 1953 2604 3906 7812 257281 514562 771843 1029124 1543686 1800967 2315529 3087372 3601934 4631058 5402901 7203868 7975711 9262116 10805802 15951422 16208703 21611604 23927133 31902844 32417406 47854266 55829977 64834812 71781399 95708532 111659954 143562798 167489931 223319908 287125596 334979862 502469793 669959724 1004939586 2009879172
• Sum of all divisors σ(n): 5993641472
• Sum of proper divisors (its aliquot sum) s(n): 3983762300
• 2009879172 is an abundant number, because the sum of its proper divisors (3983762300) is greater than itself. Its abundance is 1973883128

Bases of 2009879172

• Binary: 1110111110011000101001010000100₂
• Hexadecimal: 0x77CC5284
• Base-36: X8MOP0

Squares and roots of 2009879172

• 2009879172 squared (2009879172²) is 4039614286039405584
• 2009879172 cubed (2009879172³) is 8119136616424251654542096448
• The square root of 2009879172 is 44831.6759891931
• The cube root of 2009879172 is 1261.9921396465

Scales and comparisons

• 2,009,879,172 seconds is equal to 63 years, 47 weeks, 1 day, 11 hours, 46 minutes, 12 seconds.
• To count from 1 to 2,009,879,172 would take you about one hundred twenty-seven 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 2009879172 cubic inches would be around 105.2 feet tall.

Recreational maths with 2009879172

• 2009879172 backwards is 2719789002
• The number of decimal digits it has is: 10
• The sum of 2009879172's digits is 45
• More coming soon!