22381490

Names of 22381490

• Cardinal: 22381490 can be written as Twenty-two million, three hundred eighty-one thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.238149 × 10⁷

Factors of 22381490

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 818

Divisors of 22381490

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 5 10 41 79 82 158 205 395 410 691 790 1382 3239 3455 6478 6910 16195 28331 32390 54589 56662 109178 141655 272945 283310 545890 2238149 4476298 11190745 22381490
• Sum of all divisors σ(n): 41852160
• Sum of proper divisors (its aliquot sum) s(n): 19470670
• 22381490 is a deficient number, because the sum of its proper divisors (19470670) is less than itself. Its deficiency is 2910820

Bases of 22381490

• Binary: 1010101011000001110110010₂
• Hexadecimal: 0x15583B2
• Base-36: DBPO2

Squares and roots of 22381490

• 22381490 squared (22381490²) is 500931094620100
• 22381490 cubed (22381490³) is 11211584284928821949000
• The square root of 22381490 is 4730.9079466843
• The cube root of 22381490 is 281.8142817547

Scales and comparisons

• 22,381,490 seconds is equal to 37 weeks, 1 hour, 4 minutes, 50 seconds.
• To count from 1 to 22,381,490 would take you about three weeks!

  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 22381490 cubic inches would be around 23.5 feet tall.

Recreational maths with 22381490

• 22381490 backwards is 09418322
• The number of decimal digits it has is: 8
• The sum of 22381490's digits is 29
• More coming soon!