72129664451362141

Names of 72129664451362141

• Cardinal: 72129664451362141 can be written as Seventy-two quadrillion, one hundred twenty-nine trillion, six hundred sixty-four billion, four hundred fifty-one million, three hundred sixty-two thousand, one hundred forty-one.

Scientific notation

• Scientific notation: 7.2129664451362141 × 10¹⁶

Factors of 72129664451362141

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 244179615

Divisors of 72129664451362141

• Number of divisors d(n): 8
• Complete list of divisors:
  1 13 25355713 218823889 329624269 2844710557 5548435727027857 72129664451362141
• Sum of all divisors σ(n): 77678103596904440
• Sum of proper divisors (its aliquot sum) s(n): 5548439145542299
• 72129664451362141 is a deficient number, because the sum of its proper divisors (5548439145542299) is less than itself. Its deficiency is 66581225305819842

Bases of 72129664451362141

• Binary: 100000000010000011000110000110011011001000011110101011101₂
• Hexadecimal: 0x100418C33643D5D
• Base-36: JQ7TYEHLCV1

Squares and roots of 72129664451362141

• 72129664451362141 squared (72129664451362141²) is 5202688493866095349029030328103881
• 72129664451362141 cubed (72129664451362141³) is 375268175307524136064892847859828093672884198569221
• The square root of 72129664451362141 is 268569664.0563899223
• The cube root of 72129664451362141 is 416266.3490374757

Scales and comparisons

• 72,129,664,451,362,141 seconds is equal to 2,293,500,217 years, 44 weeks, 2 days, 4 hours, 9 minutes, 1 second.
• To count from 1 to 72,129,664,451,362,141 would take you about six billion, eight hundred eighty million, five hundred thousand, six hundred fifty-three 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 72129664451362141 cubic inches would be around 34688.9 feet tall.

Recreational maths with 72129664451362141

• 72129664451362141 backwards is 14126315446692127
• The number of decimal digits it has is: 17
• The sum of 72129664451362141's digits is 64
• More coming soon!