164421420387796625

Names of 164421420387796625

• Cardinal: 164421420387796625 can be written as One hundred sixty-four quadrillion, four hundred twenty-one trillion, four hundred twenty billion, three hundred eighty-seven million, seven hundred ninety-six thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.64421420387796625 × 10¹⁷

Factors of 164421420387796625

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 231

Divisors of 164421420387796625

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 25 47 125 179 235 895 1175 2209 4475 5875 8413 11045 22375 32041 42065 55225 103823 160205 210325 276125 395411 519115 801025 1051625 1505927 1977055 2595575 4005125 4879681 5735339 7529635 9885275 12977875 18584317 24398405 28676695 37648175 49426375 70778569 92921585 121992025 143383475 188240875 229345007 269560933 353892845 464607925 609960125 716917375 873462899 1146725035 1347804665 1769464225 2323039625 3326592743 4367314495 5733625175 6739023325 8847321125 12669363851 16632963715 21836572475 28668125875 33695116625 41052756253 63346819255 83164818575 109182862375 156349858921 205263781265 316734096275 415824092875 595460100997 781749294605 1026318906325 1583670481375 2977300504985 3908746473025 5131594531625 7348443369287 14886502524925 19543732365125 27986624746859 36742216846435 74432512624625 139933123734295 183711084232175 699665618671475 918555421160875 1315371363102373 3498328093357375 6576856815511865 32884284077559325 164421420387796625
• Sum of all divisors σ(n): 210836615228628480
• Sum of proper divisors (its aliquot sum) s(n): 46415194840831855
• 164421420387796625 is a deficient number, because the sum of its proper divisors (46415194840831855) is less than itself. Its deficiency is 118006225546964770

Bases of 164421420387796625

• Binary: 1001001000001001000110100100100011101011100000011010010001₂
• Hexadecimal: 0x248246923AE0691
• Base-36: 18YYJ1RJMFF5

Squares and roots of 164421420387796625

• 164421420387796625 squared (164421420387796625²) is 27034403482340543657801222361390625
• 164421420387796625 cubed (164421420387796625³) is 4445035019903227541127580989556068689809314681640625
• The square root of 164421420387796625 is 405489112.5391613089
• The cube root of 164421420387796625 is 547838.8140899321

Scales and comparisons

• 164,421,420,387,796,625 seconds is equal to 5,228,092,579 years, 25 weeks, 1 day, 19 hours, 57 minutes, 5 seconds.
• To count from 1 to 164,421,420,387,796,625 would take you about fifteen billion, six hundred eighty-four million, two hundred seventy-seven thousand, seven hundred thirty-eight 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 164421420387796625 cubic inches would be around 45653.2 feet tall.

Recreational maths with 164421420387796625

• 164421420387796625 backwards is 526697783024124461
• The number of decimal digits it has is: 18
• The sum of 164421420387796625's digits is 77
• More coming soon!