138091292560

Names of 138091292560

• Cardinal: 138091292560 can be written as One hundred thirty-eight billion, ninety-one million, two hundred ninety-two thousand, five hundred sixty.

Scientific notation

• Scientific notation: 1.3809129256 × 10¹¹

Factors of 138091292560

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4669

Divisors of 138091292560

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 169 208 260 338 520 676 845 1040 1352 1690 2197 2704 3380 4394 4649 6760 8788 9298 10985 13520 17576 18596 21970 23245 28561 35152 37192 43940 46490 57122 60437 74384 87880 92980 114244 120874 142805 175760 185960 228488 241748 285610 302185 371293 371920 456976 483496 571220 604370 742586 785681 966992 1142440 1208740 1485172 1571362 1856465 2284880 2417480 2970344 3142724 3712930 3928405 4834960 5940688 6285448 7425860 7856810 10213853 12570896 14851720 15713620 20427706 29703440 31427240 40855412 51069265 62854480 81710824 102138530 132780089 163421648 204277060 265560178 408554120 531120356 663900445 817108240 1062240712 1327800890 1726141157 2124481424 2655601780 3452282314 5311203560 6904564628 8630705785 10622407120 13809129256 17261411570 27618258512 34522823140 69045646280 138091292560
• Sum of all divisors σ(n): 347892186600
• Sum of proper divisors (its aliquot sum) s(n): 209800894040
• 138091292560 is an abundant number, because the sum of its proper divisors (209800894040) is greater than itself. Its abundance is 71709601480

Bases of 138091292560

• Binary: 10000000100110111000011110011110010000₂
• Hexadecimal: 0x2026E1E790
• Base-36: 1RFRZN9S

Squares and roots of 138091292560

• 138091292560 squared (138091292560²) is 19069205080891511353600
• 138091292560 cubed (138091292560³) is 2633291177712028159950539209216000
• The square root of 138091292560 is 371606.3677602955
• The cube root of 138091292560 is 5168.7885372343

Scales and comparisons

• 138,091,292,560 seconds is equal to 4,390 years, 45 weeks, 3 days, 20 hours, 22 minutes, 40 seconds.
• To count from 1 to 138,091,292,560 would take you about eight thousand, seven hundred eighty-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 138091292560 cubic inches would be around 430.7 feet tall.

Recreational maths with 138091292560

• 138091292560 backwards is 065292190831
• The number of decimal digits it has is: 12
• The sum of 138091292560's digits is 46
• More coming soon!