80621688942

Names of 80621688942

• Cardinal: 80621688942 can be written as Eighty billion, six hundred twenty-one million, six hundred eighty-eight thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 8.0621688942 × 10¹⁰

Factors of 80621688942

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 173430

Divisors of 80621688942

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 9 18 37 74 111 222 333 666 701 1402 2103 4206 6309 12618 25937 51874 77811 155622 172687 233433 345374 466866 518061 1036122 1554183 3108366 6389419 12778838 19168257 38336514 57504771 115009542 121053587 242107174 363160761 726321522 1089482283 2178964566 4478982719 8957965438 13436948157 26873896314 40310844471 80621688942
• Sum of all divisors σ(n): 179658378432
• Sum of proper divisors (its aliquot sum) s(n): 99036689490
• 80621688942 is an abundant number, because the sum of its proper divisors (99036689490) is greater than itself. Its abundance is 18415000548

Bases of 80621688942

• Binary: 1001011000101011011010101100001101110₂
• Hexadecimal: 0x12C56D586E
• Base-36: 111C2LBI

Squares and roots of 80621688942

• 80621688942 squared (80621688942²) is 6499856727860605079364
• 80621688942 cubed (80621688942³) is 524029427281143647844389631192888
• The square root of 80621688942 is 283939.5867821183
• The cube root of 80621688942 is 4320.0021601713

Scales and comparisons

• 80,621,688,942 seconds is equal to 2,563 years, 27 weeks, 9 hours, 35 minutes, 42 seconds.
• To count from 1 to 80,621,688,942 would take you about five thousand, one hundred twenty-seven 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 80621688942 cubic inches would be around 360 feet tall.

Recreational maths with 80621688942

• 80621688942 backwards is 24988612608
• The number of decimal digits it has is: 11
• The sum of 80621688942's digits is 54
• More coming soon!