138878344256

Names of 138878344256

• Cardinal: 138878344256 can be written as One hundred thirty-eight billion, eight hundred seventy-eight million, three hundred forty-four thousand, two hundred fifty-six.

Scientific notation

• Scientific notation: 1.38878344256 × 10¹¹

Factors of 138878344256

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1501

Divisors of 138878344256

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 73 136 146 272 289 292 544 578 584 1088 1156 1168 1241 1409 2312 2336 2482 2818 4624 4672 4964 5329 5636 9248 9928 10658 11272 18496 19856 21097 21316 22544 23953 39712 42194 42632 45088 47906 79424 84388 85264 90176 90593 95812 102857 168776 170528 181186 191624 205714 337552 341056 362372 383248 407201 411428 675104 724744 766496 814402 822856 1350208 1449488 1532992 1540081 1628804 1645712 1748569 2898976 3080162 3257608 3291424 3497138 5797952 6160324 6515216 6582848 6994276 7508561 12320648 13030432 13988552 15017122 24641296 26060864 27977104 29725673 30034244 49282592 55954208 59451346 60068488 98565184 111908416 118902692 120136976 127645537 237805384 240273952 255291074 475610768 480547904 510582148 951221536 1021164296 1902443072 2042328592 2169974129 4084657184 4339948258 8169314368 8679896516 17359793032 34719586064 69439172128 138878344256
• Sum of all divisors σ(n): 297027169470
• Sum of proper divisors (its aliquot sum) s(n): 158148825214
• 138878344256 is an abundant number, because the sum of its proper divisors (158148825214) is greater than itself. Its abundance is 19270480958

Bases of 138878344256

• Binary: 10000001010101110010110101110001000000₂
• Hexadecimal: 0x2055CB5C40
• Base-36: 1RSSKW8W

Squares and roots of 138878344256

• 138878344256 squared (138878344256²) is 19287194503288048193536
• 138878344256 cubed (138878344256³) is 2678573637960068480952211521929216
• The square root of 138878344256 is 372663.8488718755
• The cube root of 138878344256 is 5178.5897814353

Scales and comparisons

• 138,878,344,256 seconds is equal to 4,415 years, 46 weeks, 6 days, 5 hours, 50 minutes, 56 seconds.
• To count from 1 to 138,878,344,256 would take you about eight thousand, eight hundred thirty-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 138878344256 cubic inches would be around 431.5 feet tall.

Recreational maths with 138878344256

• 138878344256 backwards is 652443878831
• The number of decimal digits it has is: 12
• The sum of 138878344256's digits is 59
• More coming soon!