21454401

Names of 21454401

• Cardinal: 21454401 can be written as Twenty-one million, four hundred fifty-four thousand, four hundred one.

Scientific notation

• Scientific notation: 2.1454401 × 10⁷

Factors of 21454401

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 376415

Divisors of 21454401

• Number of divisors d(n): 8
• Complete list of divisors:
  1 3 19 57 376393 1129179 7151467 21454401
• Sum of all divisors σ(n): 30111520
• Sum of proper divisors (its aliquot sum) s(n): 8657119
• 21454401 is a deficient number, because the sum of its proper divisors (8657119) is less than itself. Its deficiency is 12797282

Bases of 21454401

• Binary: 1010001110101111001000001₂
• Hexadecimal: 0x1475E41
• Base-36: CRUBL

Squares and roots of 21454401

• 21454401 squared (21454401²) is 460291322268801
• 21454401 cubed (21454401³) is 9875274604775086443201
• The square root of 21454401 is 4631.8895712225
• The cube root of 21454401 is 277.8681680885

Scales and comparisons

• 21,454,401 seconds is equal to 35 weeks, 3 days, 7 hours, 33 minutes, 21 seconds.
• To count from 1 to 21,454,401 would take you about eleven 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 21454401 cubic inches would be around 23.2 feet tall.

Recreational maths with 21454401

• 21454401 backwards is 10445412
• The number of decimal digits it has is: 8
• The sum of 21454401's digits is 21
• More coming soon!