168138406112

Names of 168138406112

• Cardinal: 168138406112 can be written as One hundred sixty-eight billion, one hundred thirty-eight million, four hundred six thousand, one hundred twelve.

Scientific notation

• Scientific notation: 1.68138406112 × 10¹¹

Factors of 168138406112

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 357

Divisors of 168138406112

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 8 16 31 32 47 62 94 124 188 248 277 376 496 554 752 992 1108 1457 1504 2209 2216 2914 4418 4432 5828 8587 8836 8864 11656 13019 17174 17672 23312 26038 34348 35344 46624 52076 68479 68696 70688 76729 104152 136958 137392 153458 208304 273916 274784 306916 403589 416608 547832 611893 613832 807178 1095664 1223786 1227664 1614356 2191328 2378599 2447572 2455328 3228712 3606263 4757198 4895144 6457424 7212526 9514396 9790288 12914848 14425052 18968683 19028792 19580576 28850104 37937366 38057584 57700208 75874732 76115168 111794153 115400416 151749464 169494361 223588306 303498928 338988722 447176612 606997856 677977444 894353224 1355954888 1788706448 2711909776 3577412896 5254325191 5423819552 10508650382 21017300764 42034601528 84069203056 168138406112
• Sum of all divisors σ(n): 350390474784
• Sum of proper divisors (its aliquot sum) s(n): 182252068672
• 168138406112 is an abundant number, because the sum of its proper divisors (182252068672) is greater than itself. Its abundance is 14113662560

Bases of 168138406112

• Binary: 10011100100101110101000111100011100000₂
• Hexadecimal: 0x2725D478E0
• Base-36: 258P9KGW

Squares and roots of 168138406112

• 168138406112 squared (168138406112²) is 28270523609883838956544
• 168138406112 cubed (168138406112³) is 4753360779717533171621001391996928
• The square root of 168138406112 is 410046.8340470391
• The cube root of 168138406112 is 5519.3632224215

Scales and comparisons

• 168,138,406,112 seconds is equal to 5,346 years, 14 weeks, 4 days, 8 hours, 48 minutes, 32 seconds.
• To count from 1 to 168,138,406,112 would take you about ten thousand, six hundred ninety-two 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 168138406112 cubic inches would be around 459.9 feet tall.

Recreational maths with 168138406112

• 168138406112 backwards is 211604831861
• The number of decimal digits it has is: 12
• The sum of 168138406112's digits is 41
• More coming soon!