821476325164

Names of 821476325164

• Cardinal: 821476325164 can be written as Eight hundred twenty-one billion, four hundred seventy-six million, three hundred twenty-five thousand, one hundred sixty-four.

Scientific notation

• Scientific notation: 8.21476325164 × 10¹¹

Factors of 821476325164

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 136796

Divisors of 821476325164

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 11 22 44 151 302 604 911 1661 1822 3322 3644 6644 10021 20042 40084 135721 137561 271442 275122 542884 550244 1492931 1513171 2985862 3026342 5971724 6052684 20493871 40987742 81975484 123641831 225432581 247283662 450865162 494567324 901730324 1360060141 2720120282 5440240564 18669916481 37339832962 74679665924 205369081291 410738162582 821476325164
• Sum of all divisors σ(n): 1580403428352
• Sum of proper divisors (its aliquot sum) s(n): 758927103188
• 821476325164 is a deficient number, because the sum of its proper divisors (758927103188) is less than itself. Its deficiency is 62549221976

Bases of 821476325164

• Binary: 1011111101000011110011011111011100101100₂
• Hexadecimal: 0xBF43CDF72C
• Base-36: AHDPSL64

Squares and roots of 821476325164

• 821476325164 squared (821476325164²) is 674823352804949859626896
• 821476325164 cubed (821476325164³) is 554351407997059682355580174216010944
• The square root of 821476325164 is 906353.3114431701
• The cube root of 821476325164 is 9365.5154336299

Scales and comparisons

• 821,476,325,164 seconds is equal to 26,120 years, 21 weeks, 20 hours, 6 minutes, 4 seconds.
• To count from 1 to 821,476,325,164 would take you about fifty-two thousand, two hundred 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 821476325164 cubic inches would be around 780.5 feet tall.

Recreational maths with 821476325164

• 821476325164 backwards is 461523674128
• The number of decimal digits it has is: 12
• The sum of 821476325164's digits is 49
• More coming soon!