165139378872

Names of 165139378872

• Cardinal: 165139378872 can be written as One hundred sixty-five billion, one hundred thirty-nine million, three hundred seventy-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.65139378872 × 10¹¹

Factors of 165139378872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1104

Divisors of 165139378872

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 37 39 52 74 78 104 111 148 156 169 222 296 312 338 444 481 507 676 888 962 1014 1049 1352 1443 1924 2028 2098 2886 3147 3848 4056 4196 5772 6253 6294 8392 11544 12506 12588 13637 18759 25012 25176 27274 37518 38813 40911 50024 54548 75036 77626 81822 109096 116439 150072 155252 163644 177281 232878 310504 327288 354562 465756 504569 531843 709124 931512 1009138 1063686 1100401 1418248 1513707 2018276 2127372 2200802 3027414 3301203 4036552 4254744 4401604 6054828 6559397 6602406 8803208 12109656 13118794 13204812 14305213 19678191 26237588 26409624 28610426 39356382 40714837 42915639 52475176 57220852 78712764 81429674 85831278 114441704 122144511 157425528 162859348 171662556 185967769 244289022 325718696 343325112 371935538 488578044 529292881 557903307 743871076 977156088 1058585762 1115806614 1487742152 1587878643 2117171524 2231613228 3175757286 4234343048 4463226456 6351514572 6880807453 12703029144 13761614906 20642422359 27523229812 41284844718 55046459624 82569689436 165139378872
• Sum of all divisors σ(n): 459569415240
• Sum of proper divisors (its aliquot sum) s(n): 294430036368
• 165139378872 is an abundant number, because the sum of its proper divisors (294430036368) is greater than itself. Its abundance is 129290657496

Bases of 165139378872

• Binary: 10011001110011000100101111001010111000₂
• Hexadecimal: 0x267312F2B8
• Base-36: 23V3Q08O

Squares and roots of 165139378872

• 165139378872 squared (165139378872²) is 27271014454229959992384
• 165139378872 cubed (165139378872³) is 4503518388180869666195703610510848
• The square root of 165139378872 is 406373.4475479421
• The cube root of 165139378872 is 5486.3504938427

Scales and comparisons

• 165,139,378,872 seconds is equal to 5,250 years, 47 weeks, 6 days, 9 hours, 41 minutes, 12 seconds.
• To count from 1 to 165,139,378,872 would take you about ten thousand, five hundred 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 165139378872 cubic inches would be around 457.2 feet tall.

Recreational maths with 165139378872

• 165139378872 backwards is 278873931561
• The number of decimal digits it has is: 12
• The sum of 165139378872's digits is 60
• More coming soon!