21948234

Names of 21948234

• Cardinal: 21948234 can be written as Twenty-one million, nine hundred forty-eight thousand, two hundred thirty-four.

Scientific notation

• Scientific notation: 2.1948234 × 10⁷

Factors of 21948234

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 47530

Divisors of 21948234

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 47507 95014 142521 285042 332549 522577 665098 997647 1045154 1567731 1995294 3135462 3658039 7316078 10974117 21948234
• Sum of all divisors σ(n): 54729216
• Sum of proper divisors (its aliquot sum) s(n): 32780982
• 21948234 is an abundant number, because the sum of its proper divisors (32780982) is greater than itself. Its abundance is 10832748

Bases of 21948234

• Binary: 1010011101110011101001010₂
• Hexadecimal: 0x14EE74A
• Base-36: D2FD6

Squares and roots of 21948234

• 21948234 squared (21948234²) is 481724975718756
• 21948234 cubed (21948234³) is 10573012490719574876904
• The square root of 21948234 is 4684.8942357325
• The cube root of 21948234 is 279.9839871795

Scales and comparisons

• 21,948,234 seconds is equal to 36 weeks, 2 days, 43 minutes, 54 seconds.
• To count from 1 to 21,948,234 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 21948234 cubic inches would be around 23.3 feet tall.

Recreational maths with 21948234

• 21948234 backwards is 43284912
• 21948234 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21948234's digits is 33
• More coming soon!