131008157385

Names of 131008157385

• Cardinal: 131008157385 can be written as One hundred thirty-one billion, eight million, one hundred fifty-seven thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 1.31008157385 × 10¹¹

Factors of 131008157385

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1097

Divisors of 131008157385

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 15 21 35 49 105 147 245 271 735 811 813 1355 1897 2433 4055 4065 5677 5691 9485 12165 13279 17031 28385 28455 39739 39837 66395 85155 119217 198695 199185 219781 596085 657721 659343 1098905 1538467 1973163 3288605 3296715 4604047 4615401 7692335 9865815 10769269 13812141 23020235 23077005 32228329 32307807 53846345 69060705 96684987 161141645 161539035 178242391 483424935 534727173 891211955 1247696737 2673635865 3743090211 6238483685 8733877159 18715451055 26201631477 43669385795 131008157385
• Sum of all divisors σ(n): 245037495168
• Sum of proper divisors (its aliquot sum) s(n): 114029337783
• 131008157385 is a deficient number, because the sum of its proper divisors (114029337783) is less than itself. Its deficiency is 16978819602

Bases of 131008157385

• Binary: 1111010000000101100011101011011001001₂
• Hexadecimal: 0x1E80B1D6C9
• Base-36: 1O6MVH6X

Squares and roots of 131008157385

• 131008157385 squared (131008157385²) is 17163137301412930038225
• 131008157385 cubed (131008157385³) is 2248510992803869321321774866041625
• The square root of 131008157385 is 361950.4902400327
• The cube root of 131008157385 is 5078.8584941233

Scales and comparisons

• 131,008,157,385 seconds is equal to 4,165 years, 34 weeks, 2 hours, 49 minutes, 45 seconds.
• To count from 1 to 131,008,157,385 would take you about eight thousand, three hundred thirty-one 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 131008157385 cubic inches would be around 423.2 feet tall.

Recreational maths with 131008157385

• 131008157385 backwards is 583751800131
• The number of decimal digits it has is: 12
• The sum of 131008157385's digits is 42
• More coming soon!