138904554888

Names of 138904554888

• Cardinal: 138904554888 can be written as One hundred thirty-eight billion, nine hundred four million, five hundred fifty-four thousand, eight hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38904554888 × 10¹¹

Factors of 138904554888

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 16

Divisors of 138904554888

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 99 108 121 132 162 198 216 242 264 297 324 363 396 484 594 648 726 792 891 968 1089 1188 1331 1452 1782 2178 2376 2662 2904 3267 3564 3993 4356 5324 6534 7128 7986 8712 9801 10648 11979 13068 14641 15972 19602 23958 26136 29282 31944 35937 39204 43923 47916 58564 71874 78408 87846 95832 107811 117128 131769 143748 161051 175692 215622 263538 287496 322102 351384 395307 431244 483153 527076 644204 790614 862488 966306 1054152 1185921 1288408 1449459 1581228 1771561 1932612 2371842 2898918 3162456 3543122 3865224 4348377 4743684 5314683 5797836 7086244 8696754 9487368 10629366 11595672 13045131 14172488 15944049 17393508 19487171 21258732 26090262 31888098 34787016 38974342 42517464 47832147 52180524 58461513 63776196 77948684 95664294 104361048 116923026 127552392 143496441 155897368 175384539 191328588 214358881 233846052 286992882 350769078 382657176 428717762 467692104 526153617 573985764 643076643 701538156 857435524 1052307234 1147971528 1286153286 1403076312 1578460851 1714871048 1929229929 2104614468 2572306572 3156921702 3858459858 4209228936 5144613144 5787689787 6313843404 7716919716 11575379574 12627686808 15433839432 17363069361 23150759148 34726138722 46301518296 69452277444 138904554888
• Sum of all divisors σ(n): 427967505735
• Sum of proper divisors (its aliquot sum) s(n): 289062950847
• 138904554888 is an abundant number, because the sum of its proper divisors (289062950847) is greater than itself. Its abundance is 150158395959

Bases of 138904554888

• Binary: 10000001010111010110110100110110001000₂
• Hexadecimal: 0x20575B4D88
• Base-36: 1RT86OI0

Squares and roots of 138904554888

• 138904554888 squared (138904554888²) is 19294475368633404692544
• 138904554888 cubed (138904554888³) is 2680090512877502795665794812355072
• The square root of 138904554888 is 372699.0138006805
• The cube root of 138904554888 is 5178.9155475427

Scales and comparisons

• 138,904,554,888 seconds is equal to 4,416 years, 38 weeks, 1 day, 14 hours, 34 minutes, 48 seconds.
• To count from 1 to 138,904,554,888 would take you about eight thousand, eight hundred thirty-three 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 138904554888 cubic inches would be around 431.6 feet tall.

Recreational maths with 138904554888

• 138904554888 backwards is 888455409831
• The number of decimal digits it has is: 12
• The sum of 138904554888's digits is 63
• More coming soon!