13385918172

Names of 13385918172

• Cardinal: 13385918172 can be written as Thirteen billion, three hundred eighty-five million, nine hundred eighteen thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 1.3385918172 × 10¹⁰

Factors of 13385918172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12389

Divisors of 13385918172

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 11 12 22 31 33 44 62 66 93 124 132 186 271 341 372 542 682 813 1023 1084 1364 1626 2046 2981 3252 4092 5962 8401 8943 11924 12071 16802 17886 24142 25203 33604 35772 36213 48284 50406 72426 92411 100812 132781 144852 184822 265562 277233 369644 374201 398343 531124 554466 748402 796686 1108932 1122603 1496804 1593372 2245206 3271241 4116211 4490412 6542482 8232422 9813723 12348633 13084964 16464844 19627446 24697266 35983651 39254892 49394532 71967302 101408471 107950953 143934604 202816942 215901906 304225413 405633884 431803812 608450826 1115493181 1216901652 2230986362 3346479543 4461972724 6692959086 13385918172
• Sum of all divisors σ(n): 35305095168
• Sum of proper divisors (its aliquot sum) s(n): 21919176996
• 13385918172 is an abundant number, because the sum of its proper divisors (21919176996) is greater than itself. Its abundance is 8533258824

Bases of 13385918172

• Binary: 1100011101110111001110011011011100₂
• Hexadecimal: 0x31DDCE6DC
• Base-36: 65DMOKC

Squares and roots of 13385918172

• 13385918172 squared (13385918172²) is 179182805307479821584
• 13385918172 cubed (13385918172³) is 2398526369675332191264583424448
• The square root of 13385918172 is 115697.5288067987
• The cube root of 13385918172 is 2374.3754248759

Scales and comparisons

• 13,385,918,172 seconds is equal to 425 years, 32 weeks, 5 days, 14 hours, 36 minutes, 12 seconds.
• To count from 1 to 13,385,918,172 would take you about eight hundred fifty-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 13385918172 cubic inches would be around 197.9 feet tall.

Recreational maths with 13385918172

• 13385918172 backwards is 27181958331
• The number of decimal digits it has is: 11
• The sum of 13385918172's digits is 48
• More coming soon!