138685950208

Names of 138685950208

• Cardinal: 138685950208 can be written as One hundred thirty-eight billion, six hundred eighty-five million, nine hundred fifty thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.38685950208 × 10¹¹

Factors of 138685950208

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 258

Divisors of 138685950208

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 13 16 26 32 43 52 64 86 97 103 104 128 172 194 206 208 256 344 388 412 416 559 688 776 824 832 1118 1261 1339 1376 1552 1648 1664 2236 2522 2678 2752 3104 3296 3328 4171 4429 4472 5044 5356 5504 6208 6592 8342 8858 8944 9409 9991 10088 10712 11008 12416 13184 16684 17716 17888 18818 19982 20176 21424 24832 26368 33368 35432 35776 37636 39964 40352 42848 54223 57577 66736 70864 71552 75272 79928 80704 85696 108446 115154 122317 129883 133472 141728 143104 150544 159856 161408 171392 216892 230308 244634 259766 266944 283456 301088 319712 322816 342784 404587 429613 433784 460616 489268 519532 533888 566912 602176 639424 809174 859226 867568 921232 969127 978536 1039064 1067776 1133824 1204352 1278848 1618348 1718452 1735136 1842464 1938254 1957072 2078128 2408704 2557696 3236696 3436904 3470272 3684928 3876508 3914144 4156256 5259631 5584969 6473392 6873808 6940544 7369856 7753016 7828288 8312512 10519262 11169938 12598651 12946784 13747616 13881088 14739712 15506032 15656576 16625024 21038524 22339876 25197302 25893568 27495232 31012064 31313152 33250048 41672461 42077048 44679752 50394604 51787136 54990464 62024128 83344922 84154096 89359504 100789208 103574272 109980928 124048256 166689844 168308192 178719008 201578416 248096512 333379688 336616384 357438016 403156832 541741993 666759376 673232768 714876032 806313664 1083483986 1333518752 1346465536 1429752064 1612627328 2166967972 2667037504 3225254656 4333935944 5334075008 8667871888 10668150016 17335743776 34671487552 69342975104 138685950208
• Sum of all divisors σ(n): 311227844928
• Sum of proper divisors (its aliquot sum) s(n): 172541894720
• 138685950208 is an abundant number, because the sum of its proper divisors (172541894720) is greater than itself. Its abundance is 33855944512

Bases of 138685950208

• Binary: 10000001001010010100111010100100000000₂
• Hexadecimal: 0x204A53A900
• Base-36: 1RPM181S

Squares and roots of 138685950208

• 138685950208 squared (138685950208²) is 19233792785095855243264
• 138685950208 cubed (138685950208³) is 2667456828504793424774486831398912
• The square root of 138685950208 is 372405.6259080951
• The cube root of 138685950208 is 5176.1973030957

Scales and comparisons

• 138,685,950,208 seconds is equal to 4,409 years, 40 weeks, 5 days, 11 hours, 3 minutes, 28 seconds.
• To count from 1 to 138,685,950,208 would take you about eight thousand, eight hundred nineteen 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 138685950208 cubic inches would be around 431.3 feet tall.

Recreational maths with 138685950208

• 138685950208 backwards is 802059586831
• The number of decimal digits it has is: 12
• The sum of 138685950208's digits is 55
• More coming soon!