128771973120

Names of 128771973120

• Cardinal: 128771973120 can be written as One hundred twenty-eight billion, seven hundred seventy-one million, nine hundred seventy-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.2877197312 × 10¹¹

Factors of 128771973120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 323

Divisors of 128771973120

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 23 24 28 30 32 35 40 42 46 48 56 60 64 69 70 80 84 92 96 105 112 115 120 128 138 140 160 161 168 184 192 210 224 230 240 256 276 280 283 320 322 336 345 368 384 420 448 460 480 483 512 529 552 560 566 640 644 672 690 736 768 805 840 849 896 920 960 966 1024 1058 1104 1120 1132 1280 1288 1344 1380 1415 1472 1536 1587 1610 1680 1698 1792 1840 1920 1932 1981 2048 2116 2208 2240 2264 2415 2560 2576 2645 2688 2760 2830 2944 3072 3174 3220 3360 3396 3584 3680 3703 3840 3864 3962 4096 4232 4245 4416 4480 4528 4830 5120 5152 5290 5376 5520 5660 5888 5943 6144 6348 6440 6509 6720 6792 7168 7360 7406 7680 7728 7924 7935 8192 8464 8490 8832 8960 9056 9660 9905 10240 10304 10580 10752 11040 11109 11320 11776 11886 12288 12696 12880 13018 13440 13584 14336 14720 14812 15360 15456 15848 15870 16928 16980 17664 17920 18112 18515 19320 19527 19810 20480 20608 21160 21504 22080 22218 22640 23552 23772 24576 25392 25760 26036 26880 27168 28672 29440 29624 29715 30720 30912 31696 31740 32545 33856 33960 35328 35840 36224 37030 38640 39054 39620 40960 41216 42320 43008 44160 44436 45280 45563 47104 47544 50784 51520 52072 53760 54336 55545 57344 58880 59248 59430 61440 61824 63392 63480 65090 67712 67920 70656 71680 72448 74060 77280 78108 79240 82432 84640 86016 88320 88872 90560 91126 94208 95088 97635 101568 103040 104144 107520 108672 111090 117760 118496 118860 122880 123648 126784 126960 130180 135424 135840 136689 141312 143360 144896 148120 149707 154560 156216 158480 164864 169280 172032 176640 177744 181120 182252 188416 190176 195270 203136 206080 208288 215040 217344 222180 227815 235520 236992 237720 247296 253568 253920 260360 270848 271680 273378 282624 286720 289792 296240 299414 309120 312432 316960 329728 338560 353280 355488 362240 364504 380352 390540 406272 412160 416576 430080 434688 444360 449121 455630 471040 473984 475440 494592 507136 507840 520720 541696 543360 546756 565248 579584 592480 598828 618240 624864 633920 659456 677120 683445 706560 710976 724480 729008 748535 760704 781080 812544 824320 833152 860160 869376 888720 898242 911260 942080 947968 950880 989184 1014272 1015680 1041440 1047949 1083392 1086720 1093512 1159168 1184960 1197656 1236480 1249728 1267840 1318912 1354240 1366890 1413120 1421952 1448960 1458016 1497070 1521408 1562160 1625088 1648640 1666304 1738752 1777440 1796484 1822520 1895936 1901760 1978368 2028544 2031360 2082880 2095898 2166784 2173440 2187024 2245605 2318336 2369920 2395312 2472960 2499456 2535680 2708480 2733780 2826240 2843904 2897920 2916032 2994140 3042816 3124320 3143847 3250176 3297280 3332608 3477504 3554880 3592968 3645040 3791872 3803520 3956736 4057088 4062720 4165760 4191796 4333568 4346880 4374048 4491210 4739840 4790624 4945920 4998912 5071360 5239745 5416960 5467560 5687808 5795840 5832064 5988280 6085632 6248640 6287694 6500352 6594560 6665216 6955008 7109760 7185936 7290080 7583744 7607040 8114176 8125440 8331520 8383592 8693760 8748096 8982420 9479680 9581248 9891840 9997824 10142720 10479490 10833920 10935120 11375616 11591680 11664128 11976560 12171264 12497280 12575388 13000704 13330432 14219520 14371872 14580160 15167488 15214080 15719235 16228352 16250880 16663040 16767184 17387520 17496192 17964840 18959360 19162496 19783680 19995648 20285440 20958980 21667840 21870240 22751232 23328256 23953120 24342528 24994560 25150776 26660864 28439040 28743744 29160320 30334976 30428160 31438470 32501760 33326080 33534368 34775040 34992384 35929680 37918720 38324992 39991296 40570880 41917960 43740480 45502464 46656512 47906240 48685056 49989120 50301552 53321728 56878080 57487488 58320640 60856320 62876940 65003520 66652160 67068736 69984768 71859360 75837440 76649984 79982592 81141760 83835920 87480960 91004928 93313024 95812480 99978240 100603104 113756160 114974976 116641280 121712640 125753880 133304320 134137472 139969536 143718720 151674880 153299968 159965184 167671840 174961920 186626048 191624960 199956480 201206208 227512320 229949952 233282560 243425280 251507760 266608640 268274944 279939072 287437440 306599936 335343680 349923840 373252096 383249920 399912960 402412416 455024640 459899904 466565120 503015520 536549888 559878144 574874880 613199872 670687360 699847680 766499840 799825920 804824832 919799808 933130240 1006031040 1073099776 1119756288 1149749760 1226399744 1341374720 1399695360 1532999680 1609649664 1839599616 1866260480 2012062080 2146199552 2299499520 2682749440 2799390720 3065999360 3219299328 3679199232 4024124160 4292399104 4598999040 5365498880 5598781440 6131998720 6438598656 8048248320 8584798208 9197998080 10730997760 12877197312 16096496640 18395996160 21461995520 25754394624 32192993280 42923991040 64385986560 128771973120
• Sum of all divisors σ(n): 494012719872
• Sum of proper divisors (its aliquot sum) s(n): 365240746752
• 128771973120 is an abundant number, because the sum of its proper divisors (365240746752) is greater than itself. Its abundance is 236468773632

Bases of 128771973120

• Binary: 1110111111011011010000110000000000000₂
• Hexadecimal: 0x1DFB686000
• Base-36: 1N5NIADC

Squares and roots of 128771973120

• 128771973120 squared (128771973120²) is 16582221061218002534400
• 128771973120 cubed (128771973120³) is 2135325324765062496819848675328000
• The square root of 128771973120 is 358848.1198501673
• The cube root of 128771973120 is 5049.7954120301

Scales and comparisons

• 128,771,973,120 seconds is equal to 4,094 years, 28 weeks, 4 days, 8 hours, 32 minutes.
• To count from 1 to 128,771,973,120 would take you about eight thousand, one hundred eighty-nine 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 128771973120 cubic inches would be around 420.8 feet tall.

Recreational maths with 128771973120

• 128771973120 backwards is 021379177821
• 128771973120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128771973120's digits is 48
• More coming soon!