164638706442

Names of 164638706442

• Cardinal: 164638706442 can be written as One hundred sixty-four billion, six hundred thirty-eight million, seven hundred six thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 1.64638706442 × 10¹¹

Factors of 164638706442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 216243

Divisors of 164638706442

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 7 14 21 42 67 134 201 271 402 469 542 813 938 1407 1626 1897 2814 3794 5691 11382 18157 36314 54471 108942 127099 215893 254198 381297 431786 647679 762594 1295358 1511251 3022502 4533753 9067506 14464831 28929662 43394493 58507003 86788986 101253817 117014006 175521009 202507634 303761451 351042018 409549021 607522902 819098042 1228647063 2457294126 3919969201 7839938402 11759907603 23519815206 27439784407 54879568814 82319353221 164638706442
• Sum of all divisors σ(n): 383344840704
• Sum of proper divisors (its aliquot sum) s(n): 218706134262
• 164638706442 is an abundant number, because the sum of its proper divisors (218706134262) is greater than itself. Its abundance is 54067427820

Bases of 164638706442

• Binary: 10011001010101001110110100101100001010₂
• Hexadecimal: 0x26553B4B0A
• Base-36: 23MTMUX6

Squares and roots of 164638706442

• 164638706442 squared (164638706442²) is 27105903658895052299364
• 164638706442 cubed (164638706442³) is 4462680915341956217601226699302888
• The square root of 164638706442 is 405756.9548904861
• The cube root of 164638706442 is 5480.8003435501

Scales and comparisons

• 164,638,706,442 seconds is equal to 5,235 years, 14 hours, 42 seconds.
• To count from 1 to 164,638,706,442 would take you about ten thousand, four hundred seventy 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 164638706442 cubic inches would be around 456.7 feet tall.

Recreational maths with 164638706442

• 164638706442 backwards is 244607836461
• The number of decimal digits it has is: 12
• The sum of 164638706442's digits is 51
• More coming soon!