815221482272

Names of 815221482272

• Cardinal: 815221482272 can be written as Eight hundred fifteen billion, two hundred twenty-one million, four hundred eighty-two thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 8.15221482272 × 10¹¹

Factors of 815221482272

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1022

Divisors of 815221482272

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 8 16 32 193 386 772 827 1544 1654 3088 3308 6176 6616 13232 26464 37249 74498 148996 159611 297992 319222 595984 638444 683929 1191968 1276888 1367858 2553776 2735716 5107552 5471432 10942864 21885728 30804923 61609846 123219692 131998297 246439384 263996594 492878768 527993188 985757536 1055986376 2111972752 4223945504 25475671321 50951342642 101902685284 203805370568 407610741136 815221482272
• Sum of all divisors σ(n): 1615279450113
• Sum of proper divisors (its aliquot sum) s(n): 800057967841
• 815221482272 is a deficient number, because the sum of its proper divisors (800057967841) is less than itself. Its deficiency is 15163514431

Bases of 815221482272

• Binary: 1011110111001110111111001010001100100000₂
• Hexadecimal: 0xBDCEFCA320
• Base-36: AEI9TLI8

Squares and roots of 815221482272

• 815221482272 squared (815221482272²) is 664586065157756810281984
• 815221482272 cubed (815221482272³) is 541784837135222480396581686776987648
• The square root of 815221482272 is 902896.1636157283
• The cube root of 815221482272 is 9341.6847049443

Scales and comparisons

• 815,221,482,272 seconds is equal to 25,921 years, 27 weeks, 19 hours, 44 minutes, 32 seconds.
• To count from 1 to 815,221,482,272 would take you about fifty-one thousand, eight hundred forty-three 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 815221482272 cubic inches would be around 778.5 feet tall.

Recreational maths with 815221482272

• 815221482272 backwards is 272284122518
• The number of decimal digits it has is: 12
• The sum of 815221482272's digits is 44
• More coming soon!