815042238820

Names of 815042238820

• Cardinal: 815042238820 can be written as Eight hundred fifteen billion, forty-two million, two hundred thirty-eight thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 8.1504223882 × 10¹¹

Factors of 815042238820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 175850

Divisors of 815042238820

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 10 20 467 499 934 998 1868 1996 2335 2495 4670 4990 9340 9980 174877 233033 349754 466066 699508 874385 932132 1165165 1748770 2330330 3497540 4660660 81667559 87263623 163335118 174527246 326670236 349054492 408337795 436318115 816675590 872636230 1633351180 1745272460 40752111941 81504223882 163008447764 203760559705 407521119410 815042238820
• Sum of all divisors σ(n): 1718700984000
• Sum of proper divisors (its aliquot sum) s(n): 903658745180
• 815042238820 is an abundant number, because the sum of its proper divisors (903658745180) is greater than itself. Its abundance is 88616506360

Bases of 815042238820

• Binary: 1011110111000100010011011001100101100100₂
• Hexadecimal: 0xBDC44D9964
• Base-36: AEFB3SDG

Squares and roots of 815042238820

• 815042238820 squared (815042238820²) is 664293851060717914992400
• 815042238820 cubed (815042238820³) is 541427547602887161191888139284968000
• The square root of 815042238820 is 902796.8978790301
• The cube root of 815042238820 is 9340.9999999961

Scales and comparisons

• 815,042,238,820 seconds is equal to 25,915 years, 42 weeks, 5 days, 5 hours, 53 minutes, 40 seconds.
• To count from 1 to 815,042,238,820 would take you about fifty-one thousand, eight hundred thirty-one 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 815042238820 cubic inches would be around 778.4 feet tall.

Recreational maths with 815042238820

• 815042238820 backwards is 028832240518
• The number of decimal digits it has is: 12
• The sum of 815042238820's digits is 43
• More coming soon!