164209184644092921

Names of 164209184644092921

• Cardinal: 164209184644092921 can be written as One hundred sixty-four quadrillion, two hundred nine trillion, one hundred eighty-four billion, six hundred forty-four million, ninety-two thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.64209184644092921 × 10¹⁷

Factors of 164209184644092921

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5429

Divisors of 164209184644092921

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 27 643 1929 4783 5787 14349 17361 43047 129141 413449 1240347 3075469 3721041 9226407 11163123 22877089 27679221 68631267 83037663 205893801 265847707 617681403 797543121 1977526567 2392629363 5932579701 7177888089 14709968227 17797739103 44129904681 53393217309 132389714043 397169142129 1271549582581 3814648747743 9458509569961 11443946243229 28375528709883 34331838729687 85126586129649 255379758388947 6081821653484923 18245464960454769 54736394881364307 164209184644092921
• Sum of all divisors σ(n): 243702747694056000
• Sum of proper divisors (its aliquot sum) s(n): 79493563049963079
• 164209184644092921 is a deficient number, because the sum of its proper divisors (79493563049963079) is less than itself. Its deficiency is 84715621594129842

Bases of 164209184644092921

• Binary: 1001000111011000110110001000100111100100010101001111111001₂
• Hexadecimal: 0x2476362279153F9
• Base-36: 18WVAQ0DL3W9

Squares and roots of 164209184644092921

• 164209184644092921 squared (164209184644092921²) is 26964656321477802370028618882312241
• 164209184644092921 cubed (164209184644092921³) is 4427844228758055855157418328483941117325590539745961
• The square root of 164209184644092921 is 405227324.6513528497
• The cube root of 164209184644092921 is 547602.9951773033

Scales and comparisons

• 164,209,184,644,092,921 seconds is equal to 5,221,344,139 years, 16 weeks, 6 days, 55 minutes, 21 seconds.
• To count from 1 to 164,209,184,644,092,921 would take you about fifteen billion, six hundred sixty-four million, thirty-two thousand, four hundred seventeen 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 164209184644092921 cubic inches would be around 45633.6 feet tall.

Recreational maths with 164209184644092921

• 164209184644092921 backwards is 129290446481902461
• The number of decimal digits it has is: 18
• The sum of 164209184644092921's digits is 72
• More coming soon!