21460489

Names of 21460489

• Cardinal: 21460489 can be written as Twenty-one million, four hundred sixty thousand, four hundred eighty-nine.

Scientific notation

• Scientific notation: 2.1460489 × 10⁷

Factors of 21460489

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 120070

Divisors of 21460489

• Number of divisors d(n): 4
• Complete list of divisors:
  1 179 119891 21460489
• Sum of all divisors σ(n): 21580560
• Sum of proper divisors (its aliquot sum) s(n): 120071
• 21460489 is a deficient number, because the sum of its proper divisors (120071) is less than itself. Its deficiency is 21340418

Bases of 21460489

• Binary: 1010001110111011000001001₂
• Hexadecimal: 0x1477609
• Base-36: CRZ0P

Squares and roots of 21460489

• 21460489 squared (21460489²) is 460552588119121
• 21460489 cubed (21460489³) is 9883683751251926910169
• The square root of 21460489 is 4632.5467078055
• The cube root of 21460489 is 277.8944486549

Scales and comparisons

• 21,460,489 seconds is equal to 35 weeks, 3 days, 9 hours, 14 minutes, 49 seconds.
• To count from 1 to 21,460,489 would take you about thirteen hours!

  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 21460489 cubic inches would be around 23.2 feet tall.

Recreational maths with 21460489

• 21460489 backwards is 98406412
• The number of decimal digits it has is: 8
• The sum of 21460489's digits is 34
• More coming soon!