128388349381760

Names of 128388349381760

• Cardinal: 128388349381760 can be written as One hundred twenty-eight trillion, three hundred eighty-eight billion, three hundred forty-nine million, three hundred eighty-one thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.2838834938176 × 10¹⁴

Factors of 128388349381760

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 175955

Divisors of 128388349381760

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 29 32 40 52 58 64 65 80 104 116 128 130 145 160 169 208 232 233 260 290 320 338 377 416 464 466 520 580 640 676 754 832 845 928 932 1040 1160 1165 1352 1508 1664 1690 1856 1864 1885 2080 2320 2330 2704 3016 3029 3380 3712 3728 3770 4160 4640 4660 4901 5408 6032 6058 6757 6760 7456 7540 8320 9280 9320 9802 10816 12064 12116 13514 13520 14912 15080 15145 18560 18640 19604 21632 24128 24232 24505 27028 27040 29824 30160 30290 33785 37280 39208 39377 48256 48464 49010 54056 54080 60320 60580 67570 74560 78416 78754 87841 96928 98020 108112 108160 120640 121160 135140 149120 156832 157508 175673 175682 193856 196040 196885 216224 241280 242320 270280 313664 315016 351346 351364 387712 392080 393770 432448 439205 484640 540560 627328 630032 702692 702728 784160 787540 864896 878365 878410 969280 1081120 1141933 1260064 1405384 1405456 1568320 1575080 1756730 1756820 1938560 2162240 2283749 2283866 2520128 2810768 2810912 3136640 3150160 3513460 3513640 4324480 4567498 4567732 5040256 5094517 5621536 5621824 5709665 6300320 7026920 7027280 9134996 9135464 10189034 11243072 11243648 11418745 11419330 12600640 14053840 14054560 18269992 18270928 20378068 22486144 22837490 22838660 25201280 25472585 28107680 28109120 29688737 36539984 36541856 40756136 40931809 45674980 45677320 50945170 56215360 56218240 59377474 66228721 73079968 73083712 81512272 81863618 91349960 91354640 101890340 112430720 118754948 132457442 146159936 146167424 148443685 163024544 163727236 182699920 182709280 203780680 204659045 237509896 264914884 292319872 296887370 326049088 327454472 331143605 365399840 365418560 407561360 409318090 475019792 529829768 532113517 593774740 652098176 654908944 662287210 730799680 730837120 815122720 818636180 860973373 950039584 1059659536 1064227034 1187022461 1187549480 1309817888 1324574420 1461599360 1630245440 1637272360 1721946746 1900079168 2119319072 2128454068 2374044922 2375098960 2619635776 2649148840 2660567585 3260490880 3274544720 3443893492 3800158336 4238638144 4256908136 4304866865 4748089844 4750197920 5239271552 5298297680 5321135170 5935112305 6549089440 6887786984 6917475721 8477276288 8513816272 8609733730 9496179688 9500395840 10596595360 10642270340 11870224610 13098178880 13775573968 13834951442 15431291993 17027632544 17219467460 18992359376 19000791680 21193190720 21284540680 23740449220 26196357760 27551147936 27669902884 30862583986 34055265088 34438934920 34587378605 37984718752 42386381440 42569081360 47480898440 55102295872 55339805768 61725167972 68110530176 68877869840 69174757210 75969437504 77156459965 85138162720 94961796880 110204591744 110679611536 123450335944 137755739680 138349514420 151938875008 154312919930 170276325440 189923593760 200606795909 221359223072 246900671888 275511479360 276699028840 308625839860 340552650880 379847187520 401213591818 442718446144 493801343776 551022958720 553398057680 617251679720 759694375040 802427183636 885436892288 987602687552 1003033979545 1106796115360 1234503359440 1604854367272 1975205375104 2006067959090 2213592230720 2469006718880 3209708734544 4012135918180 4427184461440 4938013437760 6419417469088 8024271836360 9876026875520 12838834938176 16048543672720 25677669876352 32097087345440 64194174690880 128388349381760
• Sum of all divisors σ(n): 345292482085200
• Sum of proper divisors (its aliquot sum) s(n): 216904132703440
• 128388349381760 is an abundant number, because the sum of its proper divisors (216904132703440) is greater than itself. Its abundance is 88515783321680

Bases of 128388349381760

• Binary: 11101001100010010111101111101010100110010000000₂
• Hexadecimal: 0x74C4BDF54C80
• Base-36: 19ICSKBZI8

Squares and roots of 128388349381760

• 128388349381760 squared (128388349381760²) is 16483568256972873374220697600
• 128388349381760 cubed (128388349381760³) is 2116298120434321968084218665834755915776000
• The square root of 128388349381760 is 11330858.2808964653
• The cube root of 128388349381760 is 50447.7582001349

Scales and comparisons

• 128,388,349,381,760 seconds is equal to 4,082,352 years, 19 weeks, 4 days, 23 hours, 49 minutes, 20 seconds.
• To count from 1 to 128,388,349,381,760 would take you about ten million, two hundred five thousand, eight hundred eighty 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 128388349381760 cubic inches would be around 4204 feet tall.

Recreational maths with 128388349381760

• 128388349381760 backwards is 067183943883821
• The number of decimal digits it has is: 15
• The sum of 128388349381760's digits is 71
• More coming soon!