2189752890

Names of 2189752890

• Cardinal: 2189752890 can be written as Two billion, one hundred eighty-nine million, seven hundred fifty-two thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.18975289 × 10⁹

Factors of 2189752890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2676

Divisors of 2189752890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 31 39 62 65 71 78 93 130 142 155 186 195 213 310 355 390 403 426 465 710 806 923 930 1065 1209 1846 2015 2130 2201 2418 2551 2769 4030 4402 4615 5102 5538 6045 6603 7653 9230 11005 12090 12755 13206 13845 15306 22010 25510 27690 28613 33015 33163 38265 57226 66030 66326 76530 79081 85839 99489 143065 158162 165815 171678 181121 198978 237243 286130 331630 362242 395405 429195 474486 497445 543363 790810 858390 905605 994890 1028053 1086726 1186215 1811210 2056106 2354573 2372430 2716815 3084159 4709146 5140265 5433630 5614751 6168318 7063719 10280530 11229502 11772865 14127438 15420795 16844253 23545730 28073755 30841590 33688506 35318595 56147510 70637190 72991763 84221265 145983526 168442530 218975289 364958815 437950578 729917630 1094876445 2189752890
• Sum of all divisors σ(n): 5926846464
• Sum of proper divisors (its aliquot sum) s(n): 3737093574
• 2189752890 is an abundant number, because the sum of its proper divisors (3737093574) is greater than itself. Its abundance is 1547340684

Bases of 2189752890

• Binary: 10000010100001001111101000111010₂
• Hexadecimal: 0x8284FA3A
• Base-36: 107Q056

Squares and roots of 2189752890

• 2189752890 squared (2189752890²) is 4795017719263352100
• 2189752890 cubed (2189752890³) is 10499903908358133932062569000
• The square root of 2189752890 is 46794.7955439491
• The cube root of 2189752890 is 1298.5690151541

Scales and comparisons

• 2,189,752,890 seconds is equal to 69 years, 32 weeks, 4 days, 8 hours, 41 minutes, 30 seconds.
• To count from 1 to 2,189,752,890 would take you about one hundred thirty-nine 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 2189752890 cubic inches would be around 108.2 feet tall.

Recreational maths with 2189752890

• 2189752890 backwards is 0982579812
• The number of decimal digits it has is: 10
• The sum of 2189752890's digits is 51
• More coming soon!