161333973438

Names of 161333973438

• Cardinal: 161333973438 can be written as One hundred sixty-one billion, three hundred thirty-three million, nine hundred seventy-three thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 1.61333973438 × 10¹¹

Factors of 161333973438

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 227440

Divisors of 161333973438

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 11 22 33 66 11311 22622 33933 67866 124421 216113 248842 373263 432226 648339 746526 1296678 2377243 4754486 7131729 14263458 2444454143 4888908286 7333362429 14666724858 26888995573 53777991146 80666986719 161333973438
• Sum of all divisors σ(n): 352034145792
• Sum of proper divisors (its aliquot sum) s(n): 190700172354
• 161333973438 is an abundant number, because the sum of its proper divisors (190700172354) is greater than itself. Its abundance is 29366198916

Bases of 161333973438

• Binary: 10010110010000010000010001000110111110₂
• Hexadecimal: 0x25904111BE
• Base-36: 22462YM6

Squares and roots of 161333973438

• 161333973438 squared (161333973438²) is 26028650985293289539844
• 161333973438 cubed (161333973438³) is 4199305686688280103260835138663672
• The square root of 161333973438 is 401664.0056539793
• The cube root of 161333973438 is 5443.8808344381

Scales and comparisons

• 161,333,973,438 seconds is equal to 5,129 years, 47 weeks, 6 days, 8 hours, 37 minutes, 18 seconds.
• To count from 1 to 161,333,973,438 would take you about ten thousand, two hundred fifty-nine 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 161333973438 cubic inches would be around 453.7 feet tall.

Recreational maths with 161333973438

• 161333973438 backwards is 834379333161
• The number of decimal digits it has is: 12
• The sum of 161333973438's digits is 51
• More coming soon!