138739780608

Names of 138739780608

• Cardinal: 138739780608 can be written as One hundred thirty-eight billion, seven hundred thirty-nine million, seven hundred eighty thousand, six hundred eight.

Scientific notation

• Scientific notation: 1.38739780608 × 10¹¹

Factors of 138739780608

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 7773

Divisors of 138739780608

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 16 22 24 26 32 33 39 41 44 48 52 64 66 78 82 88 96 104 123 128 132 143 156 164 176 192 208 246 256 264 286 312 328 352 384 416 429 451 492 512 528 533 572 624 656 704 768 832 858 902 984 1024 1056 1066 1144 1248 1312 1353 1408 1536 1599 1664 1716 1804 1968 2112 2132 2288 2496 2624 2706 2816 3072 3198 3328 3432 3608 3936 4224 4264 4576 4992 5248 5412 5632 5863 6396 6656 6864 7216 7703 7872 8448 8528 9152 9984 10496 10824 11264 11726 12792 13312 13728 14432 15406 15744 16896 17056 17589 18304 19968 20992 21648 23109 23452 25584 27456 28864 30812 31488 33792 34112 35178 36608 39936 41984 43296 46218 46904 51168 54912 57728 61624 62976 68224 70356 73216 84733 86592 92436 93808 100139 102336 109824 115456 123248 125952 136448 140712 146432 169466 173184 184872 187616 200278 204672 219648 230912 246496 254199 272896 281424 300417 315823 338932 346368 369744 375232 400556 409344 439296 461824 492992 508398 545792 562848 600834 631646 677864 692736 739488 750464 801112 818688 947469 985984 1016796 1101529 1125696 1201668 1263292 1355728 1385472 1478976 1500928 1602224 1637376 1894938 1971968 2033592 2203058 2251392 2403336 2526584 2711456 2957952 3001856 3204448 3304587 3474053 3789876 3943936 4067184 4105699 4406116 4502784 4806672 5053168 5422912 5915904 6003712 6408896 6609174 6948106 7579752 7887872 8134368 8211398 8812232 9005568 9613344 10106336 10422159 10845824 11831808 12317097 12817792 13218348 13896212 15159504 16268736 16422796 17624464 18011136 19226688 20212672 20844318 21691648 23663616 24634194 25635584 26436696 27792424 30319008 32537472 32845592 35248928 38453376 40425344 41688636 43383296 45162689 49268388 51271168 52873392 55584848 60638016 65074944 65691184 70497856 76906752 80850688 83377272 86766592 90325378 98536776 102542336 105746784 111169696 121276032 130149888 131382368 135488067 140995712 153813504 161701376 166754544 180650756 197073552 211493568 222339392 242552064 260299776 262764736 270976134 281991424 307627008 323402752 333509088 361301512 394147104 422987136 444678784 485104128 525529472 541952268 563982848 667018176 722603024 788294208 845974272 889357568 970208256 1051058944 1083904536 1127965696 1334036352 1445206048 1576588416 1691948544 1778715136 2102117888 2167809072 2668072704 2890412096 3153176832 3383897088 3557430272 4204235776 4335618144 5336145408 5780824192 6306353664 8671236288 10672290816 11561648384 12612707328 17342472576 23123296768 34684945152 46246593536 69369890304 138739780608
• Sum of all divisors σ(n): 445094963712
• Sum of proper divisors (its aliquot sum) s(n): 306355183104
• 138739780608 is an abundant number, because the sum of its proper divisors (306355183104) is greater than itself. Its abundance is 167615402496

Bases of 138739780608

• Binary: 10000001001101100010010000110000000000₂
• Hexadecimal: 0x204D890C00
• Base-36: 1RQI2ZUO

Squares and roots of 138739780608

• 138739780608 squared (138739780608²) is 19248726723155972849664
• 138739780608 cubed (138739780608³) is 2670564122554006426527187926515712
• The square root of 138739780608 is 372477.8927775445
• The cube root of 138739780608 is 5176.8669232653

Scales and comparisons

• 138,739,780,608 seconds is equal to 4,411 years, 25 weeks, 5 days, 11 hours, 56 minutes, 48 seconds.
• To count from 1 to 138,739,780,608 would take you about eight thousand, eight hundred twenty-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 138739780608 cubic inches would be around 431.4 feet tall.

Recreational maths with 138739780608

• 138739780608 backwards is 806087937831
• The number of decimal digits it has is: 12
• The sum of 138739780608's digits is 60
• More coming soon!