728443914455073736431

Names of 728443914455073736431

• Cardinal: 728443914455073736431 can be written as Seven hundred twenty-eight quintillion, four hundred forty-three quadrillion, nine hundred fourteen trillion, four hundred fifty-five billion, seventy-three million, seven hundred thirty-six thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 7.28443914455073736431 × 10²⁰

Factors of 728443914455073736431

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5481

Divisors of 728443914455073736431

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 27 617 1851 4861 5553 14583 16659 43749 131247 380689 1142067 2999237 3426201 8997711 10278603 23629321 26993133 70887963 80979399 212663889 234885113 637991667 704655339 1850529229 2113966017 5551587687 6341898051 14579291057 16654763061 43737873171 49964289183 131213619513 393640858539 1141776534293 3425329602879 8995422582169 10275988808637 26986267746507 30827966425911 80958803239521 242876409718563 5550175733198273 16650527199594819 49951581598784457 149854744796353371
• Sum of all divisors σ(n): 728516472895238777460
• Sum of proper divisors (its aliquot sum) s(n): 72558440165041029
• 728443914455073736431 is a deficient number, because the sum of its proper divisors (72558440165041029) is less than itself. Its deficiency is 728371356014908695402

Bases of 728443914455073736431

• Binary: 1001110111110100110000101010001011110001010001101101001100011011101111₂
• Hexadecimal: 0x277D30A8BC51B4C6EF
• Base-36: 49QDIGQZQNZ2LR

Squares and roots of 728443914455073736431

• 728443914455073736431 squared (728443914455073736431²) is 530630536506630783655896167457271256617761
• 728443914455073736431 cubed (728443914455073736431³) is 386534585142286035911646854125428377038893524045097133827350991
• The square root of 728443914455073736431 is 26989700154.9678898323
• 728443914455073736431 is a perfect cube number. Its cube root is 8997711

Scales and comparisons

• 728,443,914,455,073,736,431 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 728,443,914,455,073,736,431 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 728443914455073736431 cubic inches would be around 749809.3 feet tall.

Recreational maths with 728443914455073736431

• 728443914455073736431 backwards is 134637370554419344827
• The number of decimal digits it has is: 21
• The sum of 728443914455073736431's digits is 90
• More coming soon!