81804073737372

Names of 81804073737372

• Cardinal: 81804073737372 can be written as Eighty-one trillion, eight hundred four billion, seventy-three million, seven hundred thirty-seven thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 8.1804073737372 × 10¹³

Factors of 81804073737372

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3879912696

Divisors of 81804073737372

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 84 251 502 753 1004 1506 1757 3012 3514 5271 7028 10542 21084 3879912433 7759824866 11639737299 15519649732 23279474598 27159387031 46558949196 54318774062 81478161093 108637548124 162956322186 325912644372 973858020683 1947716041366 2921574062049 3895432082732 5843148124098 6817006144781 11686296248196 13634012289562 20451018434343 27268024579124 40902036868686 81804073737372
• Sum of all divisors σ(n): 219013297074432
• Sum of proper divisors (its aliquot sum) s(n): 137209223337060
• 81804073737372 is an abundant number, because the sum of its proper divisors (137209223337060) is greater than itself. Its abundance is 55405149599688

Bases of 81804073737372

• Binary: 10010100110011001111110110000011001110010011100₂
• Hexadecimal: 0x4A667EC19C9C
• Base-36: SZW9TDUHO

Squares and roots of 81804073737372

• 81804073737372 squared (81804073737372²) is 6691906480029395376029466384
• 81804073737372 cubed (81804073737372³) is 547425211135922166478812245441381718502848
• The square root of 81804073737372 is 9044560.4502027627
• The cube root of 81804073737372 is 43410.1857171557

Scales and comparisons

• 81,804,073,737,372 seconds is equal to 2,601,116 years, 26 weeks, 2 days, 23 hours, 56 minutes, 12 seconds.
• To count from 1 to 81,804,073,737,372 would take you about six million, five hundred two thousand, seven hundred ninety-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 81804073737372 cubic inches would be around 3617.5 feet tall.

Recreational maths with 81804073737372

• 81804073737372 backwards is 27373737040818
• The number of decimal digits it has is: 14
• The sum of 81804073737372's digits is 60
• More coming soon!