2189684490

Names of 2189684490

• Cardinal: 2189684490 can be written as Two billion, one hundred eighty-nine million, six hundred eighty-four thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.18968449 × 10⁹

Factors of 2189684490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 613391

Divisors of 2189684490

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 613357 1226714 1840071 3066785 3680142 4293499 6133570 8586998 9200355 10427069 12880497 18400710 20854138 21467495 25760994 31281207 42934990 52135345 62562414 64402485 72989483 104270690 128804970 145978966 156406035 218968449 312812070 364947415 437936898 729894830 1094842245 2189684490
• Sum of all divisors σ(n): 6359295744
• Sum of proper divisors (its aliquot sum) s(n): 4169611254
• 2189684490 is an abundant number, because the sum of its proper divisors (4169611254) is greater than itself. Its abundance is 1979926764

Bases of 2189684490

• Binary: 10000010100000111110111100001010₂
• Hexadecimal: 0x8283EF0A
• Base-36: 107OJD6

Squares and roots of 2189684490

• 2189684490 squared (2189684490²) is 4794718165746560100
• 2189684490 cubed (2189684490³) is 10498920001456491921822849000
• The square root of 2189684490 is 46794.0646877357
• The cube root of 2189684490 is 1298.5554941389

Scales and comparisons

• 2,189,684,490 seconds is equal to 69 years, 32 weeks, 3 days, 13 hours, 41 minutes, 30 seconds.
• To count from 1 to 2,189,684,490 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 2189684490 cubic inches would be around 108.2 feet tall.

Recreational maths with 2189684490

• 2189684490 backwards is 0944869812
• 2189684490 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2189684490's digits is 51
• More coming soon!