22401561

Names of 22401561

• Cardinal: 22401561 can be written as Twenty-two million, four hundred one thousand, five hundred sixty-one.

Scientific notation

• Scientific notation: 2.2401561 × 10⁷

Factors of 22401561

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2701

Divisors of 22401561

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 7 13 21 31 39 91 93 217 273 403 651 1209 2647 2821 7941 8463 18529 34411 55587 82057 103233 240877 246171 574399 722631 1066741 1723197 3200223 7467187 22401561
• Sum of all divisors σ(n): 37961728
• Sum of proper divisors (its aliquot sum) s(n): 15560167
• 22401561 is a deficient number, because the sum of its proper divisors (15560167) is less than itself. Its deficiency is 6841394

Bases of 22401561

• Binary: 1010101011101001000011001₂
• Hexadecimal: 0x155D219
• Base-36: DC55L

Squares and roots of 22401561

• 22401561 squared (22401561²) is 501829935236721
• 22401561 cubed (22401561³) is 11241773905831454921481
• The square root of 22401561 is 4733.0287343307
• The cube root of 22401561 is 281.8984972455

Scales and comparisons

• 22,401,561 seconds is equal to 37 weeks, 6 hours, 39 minutes, 21 seconds.
• To count from 1 to 22,401,561 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 22401561 cubic inches would be around 23.5 feet tall.

Recreational maths with 22401561

• 22401561 backwards is 16510422
• 22401561 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 22401561's digits is 21
• More coming soon!