61428421

Names of 61428421

• Cardinal: 61428421 can be written as Sixty-one million, four hundred twenty-eight thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 6.1428421 × 10⁷

Factors of 61428421

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 61428421

Divisors of 61428421

• Number of divisors d(n): 2
• Complete list of divisors:
  1 61428421
• Sum of all divisors σ(n): 61428422
• Sum of proper divisors (its aliquot sum) s(n): 1
• 61428421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 61428420

Bases of 61428421

• Binary: 11101010010101001011000101₂
• Hexadecimal: 0x3A952C5
• Base-36: 10KMH1

Squares and roots of 61428421

• 61428421 squared (61428421²) is 3773450906553241
• 61428421 cubed (61428421³) is 231797130910584147062461
• The square root of 61428421 is 7837.6285316415
• The cube root of 61428421 is 394.5691419071

Scales and comparisons

• 61,428,421 seconds is equal to 1 year, 49 weeks, 3 days, 23 hours, 27 minutes, 1 second.
• To count from 1 to 61,428,421 would take you about two years!

  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 61428421 cubic inches would be around 32.9 feet tall.

Recreational maths with 61428421

• 61428421 backwards is 12482416
• The number of decimal digits it has is: 8
• The sum of 61428421's digits is 28
• More coming soon!