138378393504

Names of 138378393504

• Cardinal: 138378393504 can be written as One hundred thirty-eight billion, three hundred seventy-eight million, three hundred ninety-three thousand, five hundred four.

Scientific notation

• Scientific notation: 1.38378393504 × 10¹¹

Factors of 138378393504

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 366060

Divisors of 138378393504

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 72 78 96 101 104 117 144 156 202 208 234 288 303 312 404 416 468 606 624 808 909 936 1212 1248 1313 1616 1818 1872 2424 2626 3232 3636 3744 3939 4848 5252 7272 7878 9696 10504 11817 14544 15756 21008 23634 29088 31512 42016 47268 63024 94536 126048 189072 365941 378144 731882 1097823 1463764 2195646 2927528 3293469 4391292 4757233 5855056 6586938 8782584 9514466 11710112 13173876 14271699 17565168 19028932 26347752 28543398 35130336 36960041 38057864 42815097 52695504 57086796 73920082 76115728 85630194 105391008 110880123 114173592 147840164 152231456 171260388 221760246 228347184 295680328 332640369 342520776 443520492 456694368 480480533 591360656 665280738 685041552 887040984 960961066 1182721312 1330561476 1370083104 1441441599 1774081968 1921922132 2661122952 2882883198 3548163936 3843844264 4324324797 5322245904 5765766396 7687688528 8648649594 10644491808 11531532792 15375377056 17297299188 23063065584 34594598376 46126131168 69189196752 138378393504
• Sum of all divisors σ(n): 427980879144
• Sum of proper divisors (its aliquot sum) s(n): 289602485640
• 138378393504 is an abundant number, because the sum of its proper divisors (289602485640) is greater than itself. Its abundance is 151224092136

Bases of 138378393504

• Binary: 10000000110111111111101011011110100000₂
• Hexadecimal: 0x2037FEB7A0
• Base-36: 1RKIX7S0

Squares and roots of 138378393504

• 138378393504 squared (138378393504²) is 19148579788747869398016
• 138378393504 cubed (138378393504³) is 2649749709050093863000257644888064
• The square root of 138378393504 is 371992.4643107707
• The cube root of 138378393504 is 5172.3681422121

Scales and comparisons

• 138,378,393,504 seconds is equal to 4,400 years, 1 day, 18 hours, 38 minutes, 24 seconds.
• To count from 1 to 138,378,393,504 would take you about eight thousand, eight hundred 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 138378393504 cubic inches would be around 431 feet tall.

Recreational maths with 138378393504

• 138378393504 backwards is 405393873831
• The number of decimal digits it has is: 12
• The sum of 138378393504's digits is 54
• More coming soon!