853349921

Names of 853349921

• Cardinal: 853349921 can be written as Eight hundred fifty-three million, three hundred forty-nine thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 8.53349921 × 10⁸

Factors of 853349921

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 19845390

Divisors of 853349921

• Number of divisors d(n): 4
• Complete list of divisors:
  1 43 19845347 853349921
• Sum of all divisors σ(n): 873195312
• Sum of proper divisors (its aliquot sum) s(n): 19845391
• 853349921 is a deficient number, because the sum of its proper divisors (19845391) is less than itself. Its deficiency is 833504530

Bases of 853349921

• Binary: 110010110111010001011000100001₂
• Hexadecimal: 0x32DD1621
• Base-36: E4290H

Squares and roots of 853349921

• 853349921 squared (853349921²) is 728206087670706241
• 853349921 cubed (853349921³) is 621414607385516244771556961
• The square root of 853349921 is 29212.1536522045
• The cube root of 853349921 is 948.5110270491

Scales and comparisons

• 853,349,921 seconds is equal to 27 years, 6 weeks, 6 days, 17 hours, 38 minutes, 41 seconds.
• To count from 1 to 853,349,921 would take you about forty 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 853349921 cubic inches would be around 79 feet tall.

Recreational maths with 853349921

• 853349921 backwards is 129943358
• The number of decimal digits it has is: 9
• The sum of 853349921's digits is 44
• More coming soon!