2129015889

Names of 2129015889

• Cardinal: 2129015889 can be written as Two billion, one hundred twenty-nine million, fifteen thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 2.129015889 × 10⁹

Factors of 2129015889

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 344

Divisors of 2129015889

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 11 13 21 29 33 39 63 77 87 91 99 117 143 203 231 261 273 281 319 377 429 609 693 819 841 843 957 1001 1131 1287 1827 1967 2233 2523 2529 2639 2871 3003 3091 3393 3653 4147 5887 5901 6699 7569 7917 8149 9009 9251 9273 10933 10959 12441 17661 17703 20097 21637 23751 24447 25571 27753 27819 29029 32799 32877 37323 40183 52983 57043 64757 64911 73341 76531 76713 83259 87087 89639 98397 105937 120263 120549 171129 194271 194733 229593 230139 236321 261261 268917 281281 317811 360789 361647 513387 582813 627473 688779 708963 741559 806751 841841 843843 953433 1082367 1165307 1654247 1882419 2126889 2224677 2525523 2531529 2599531 3072173 3495921 4962741 5647257 6674031 7576569 7798593 8157149 9216519 10487763 14888223 18196717 21505211 23395779 24471447 27649557 33793903 54590151 64515633 73414341 101381709 163770453 193546899 236557321 304145127 709671963 2129015889
• Sum of all divisors σ(n): 4291507584
• Sum of proper divisors (its aliquot sum) s(n): 2162491695
• 2129015889 is an abundant number, because the sum of its proper divisors (2162491695) is greater than itself. Its abundance is 33475806

Bases of 2129015889

• Binary: 1111110111001100011010001010001₂
• Hexadecimal: 0x7EE63451
• Base-36: Z7K769

Squares and roots of 2129015889

• 2129015889 squared (2129015889²) is 4532708655614460321
• 2129015889 cubed (2129015889³) is 9650208748011015081569040369
• The square root of 2129015889 is 46141.2601583441
• The cube root of 2129015889 is 1286.4501665835

Scales and comparisons

• 2,129,015,889 seconds is equal to 67 years, 36 weeks, 1 day, 9 hours, 18 minutes, 9 seconds.
• To count from 1 to 2,129,015,889 would take you about one hundred thirty-five 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 2129015889 cubic inches would be around 107.2 feet tall.

Recreational maths with 2129015889

• 2129015889 backwards is 9885109212
• The number of decimal digits it has is: 10
• The sum of 2129015889's digits is 45
• More coming soon!