21400607

Names of 21400607

• Cardinal: 21400607 can be written as Twenty-one million, four hundred thousand, six hundred seven.

Scientific notation

• Scientific notation: 2.1400607 × 10⁷

Factors of 21400607

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 4273

Divisors of 21400607

• Number of divisors d(n): 8
• Complete list of divisors:
  1 71 73 4129 5183 293159 301417 21400607
• Sum of all divisors σ(n): 22004640
• Sum of proper divisors (its aliquot sum) s(n): 604033
• 21400607 is a deficient number, because the sum of its proper divisors (604033) is less than itself. Its deficiency is 20796574

Bases of 21400607

• Binary: 1010001101000110000011111₂
• Hexadecimal: 0x1468C1F
• Base-36: CQOTB

Squares and roots of 21400607

• 21400607 squared (21400607²) is 457985979968449
• 21400607 cubed (21400607³) is 9801177968814649448543
• The square root of 21400607 is 4626.0790092691
• The cube root of 21400607 is 277.6357348033

Scales and comparisons

• 21,400,607 seconds is equal to 35 weeks, 2 days, 16 hours, 36 minutes, 47 seconds.
• To count from 1 to 21,400,607 would take you about twelve 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 21400607 cubic inches would be around 23.1 feet tall.

Recreational maths with 21400607

• 21400607 backwards is 70600412
• The number of decimal digits it has is: 8
• The sum of 21400607's digits is 20
• More coming soon!