22139209

Names of 22139209

• Cardinal: 22139209 can be written as Twenty-two million, one hundred thirty-nine thousand, two hundred nine.

Scientific notation

• Scientific notation: 2.2139209 × 10⁷

Factors of 22139209

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 552

Divisors of 22139209

• Number of divisors d(n): 16
• Complete list of divisors:
  1 29 37 47 439 1073 1363 1739 12731 16243 20633 50431 471047 598357 763421 22139209
• Sum of all divisors σ(n): 24076800
• Sum of proper divisors (its aliquot sum) s(n): 1937591
• 22139209 is a deficient number, because the sum of its proper divisors (1937591) is less than itself. Its deficiency is 20201618

Bases of 22139209

• Binary: 1010100011101000101001001₂
• Hexadecimal: 0x151D149
• Base-36: D6IQ1

Squares and roots of 22139209

• 22139209 squared (22139209²) is 490144575145681
• 22139209 cubed (22139209³) is 10851413189366437106329
• The square root of 22139209 is 4705.2320877933
• The cube root of 22139209 is 280.7937046245

Scales and comparisons

• 22,139,209 seconds is equal to 36 weeks, 4 days, 5 hours, 46 minutes, 49 seconds.
• To count from 1 to 22,139,209 would take you about two 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 22139209 cubic inches would be around 23.4 feet tall.

Recreational maths with 22139209

• 22139209 backwards is 90293122
• The number of decimal digits it has is: 8
• The sum of 22139209's digits is 28
• More coming soon!