72815145846989

Names of 72815145846989

• Cardinal: 72815145846989 can be written as Seventy-two trillion, eight hundred fifteen billion, one hundred forty-five million, eight hundred forty-six thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 7.2815145846989 × 10¹³

Factors of 72815145846989

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 31810

Divisors of 72815145846989

• Number of divisors d(n): 64
• Complete list of divisors:
  1 7 13 91 101 103 707 721 1313 1339 2659 9191 9373 10403 18613 28927 34567 72821 135239 202489 241969 268559 273877 376051 946673 1879913 1917139 2632357 2921627 2979481 3491267 3560401 20451389 20856367 24438869 24922807 27661577 37981151 38733253 76916893 193631039 265868057 271132771 300927581 359600501 538418251 999919609 2106493067 2517203507 3912058553 6999437263 7768606193 7922439979 27384409871 54380243351 55457079853 100991880509 102991719727 706943163563 720942038089 800166437879 5601165065153 10402163692427 72815145846989
• Sum of all divisors σ(n): 91422181294080
• Sum of proper divisors (its aliquot sum) s(n): 18607035447091
• 72815145846989 is a deficient number, because the sum of its proper divisors (18607035447091) is less than itself. Its deficiency is 54208110399898

Bases of 72815145846989

• Binary: 10000100011100110011000111001110000100011001101₂
• Hexadecimal: 0x423998E708CD
• Base-36: PT6TDT0I5

Squares and roots of 72815145846989

• 72815145846989 squared (72815145846989²) is 5302045464718279414200366121
• 72815145846989 cubed (72815145846989³) is 386069213800828085811785480907856445459669
• The square root of 72815145846989 is 8533179.1172451665
• The cube root of 72815145846989 is 41758.0850579747

Scales and comparisons

• 72,815,145,846,989 seconds is equal to 2,315,296 years, 21 weeks, 17 hours, 56 minutes, 29 seconds.
• To count from 1 to 72,815,145,846,989 would take you about five million, seven hundred eighty-eight thousand, two hundred forty-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 72815145846989 cubic inches would be around 3479.8 feet tall.

Recreational maths with 72815145846989

• 72815145846989 backwards is 98964854151827
• The number of decimal digits it has is: 14
• The sum of 72815145846989's digits is 77
• More coming soon!