72942947222118129

Names of 72942947222118129

• Cardinal: 72942947222118129 can be written as Seventy-two quadrillion, nine hundred forty-two trillion, nine hundred forty-seven billion, two hundred twenty-two million, one hundred eighteen thousand, one hundred twenty-nine.

Scientific notation

• Scientific notation: 7.2942947222118129 × 10¹⁶

Factors of 72942947222118129

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 38391777912

Divisors of 72942947222118129

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 9 13 27 39 117 351 5413 16239 48717 70369 146151 211107 633321 1899963 38391772483 115175317449 345525952347 499093042279 1036577857041 1497279126837 4491837380511 13475512141533 207814664450479 623443993351437 1870331980054311 2701590637856227 5610995940162933 8104771913568681 24314315740706043 72942947222118129
• Sum of all divisors σ(n): 116397711487890560
• Sum of proper divisors (its aliquot sum) s(n): 43454764265772431
• 72942947222118129 is a deficient number, because the sum of its proper divisors (43454764265772431) is less than itself. Its deficiency is 29488182956345698

Bases of 72942947222118129

• Binary: 100000011001001010011100101011010000010110101111011110001₂
• Hexadecimal: 0x10325395A0B5EF1
• Base-36: JY847CKYNE9

Squares and roots of 72942947222118129

• 72942947222118129 squared (72942947222118129²) is 5320673549448710872108789230460641
• 72942947222118129 cubed (72942947222118129³) is 388105609903557250185891831446423870374294387060689
• The square root of 72942947222118129 is 270079520.1827012447
• The cube root of 72942947222118129 is 417825.0132199513

Scales and comparisons

• 72,942,947,222,118,129 seconds is equal to 2,319,360,094 years, 16 weeks, 2 days, 1 hour, 42 minutes, 9 seconds.
• To count from 1 to 72,942,947,222,118,129 would take you about six billion, nine hundred fifty-eight million, eighty thousand, two hundred eighty-two 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 72942947222118129 cubic inches would be around 34818.8 feet tall.

Recreational maths with 72942947222118129

• 72942947222118129 backwards is 92181122274924927
• The number of decimal digits it has is: 17
• The sum of 72942947222118129's digits is 72
• More coming soon!