128388226512

Names of 128388226512

• Cardinal: 128388226512 can be written as One hundred twenty-eight billion, three hundred eighty-eight million, two hundred twenty-six thousand, five hundred twelve.

Scientific notation

• Scientific notation: 1.28388226512 × 10¹¹

Factors of 128388226512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 323024

Divisors of 128388226512

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 49 52 56 78 84 91 98 104 112 147 156 168 169 182 196 208 273 294 312 336 338 364 392 507 546 588 624 637 676 728 784 1014 1092 1176 1183 1274 1352 1456 1911 2028 2184 2352 2366 2548 2704 3549 3822 4056 4368 4732 5096 7098 7644 8112 8281 9464 10192 14196 15288 16562 18928 24843 28392 30576 33124 49686 56784 66248 99372 132496 198744 322999 397488 645998 968997 1291996 1937994 2260993 2583992 3875988 4198987 4521986 5167984 6782979 7751976 8397974 9043972 12596961 13565958 15503952 15826951 16795948 18087944 25193922 27131916 29392909 31653902 33591896 36175888 47480853 50387844 54263832 54586831 58785818 63307804 67183792 88178727 94961706 100775688 108527664 109173662 117571636 126615608 163760493 176357454 189923412 201551376 205750363 218347324 235143272 253231216 327520986 352714908 379846824 382107817 411500726 436694648 470286544 617251089 655041972 705429816 759693648 764215634 823001452 873389296 1146323451 1234502178 1310083944 1410859632 1528431268 1646002904 2292646902 2469004356 2620167888 2674754719 3056862536 3292005808 4585293804 4938008712 5349509438 6113725072 8024264157 9170587608 9876017424 10699018876 16048528314 18341175216 21398037752 32097056628 42796075504 64194113256 128388226512
• Sum of all divisors σ(n): 417782412000
• Sum of proper divisors (its aliquot sum) s(n): 289394185488
• 128388226512 is an abundant number, because the sum of its proper divisors (289394185488) is greater than itself. Its abundance is 161005958976

Bases of 128388226512

• Binary: 1110111100100100010001101110111010000₂
• Hexadecimal: 0x1DE488DDD0
• Base-36: 1MZB19LC

Squares and roots of 128388226512

• 128388226512 squared (128388226512²) is 16483536706896619686144
• 128388226512 cubed (128388226512³) is 2116292044443909760831774219849728
• The square root of 128388226512 is 358313.0286662767
• The cube root of 128388226512 is 5044.7742107019

Scales and comparisons

• 128,388,226,512 seconds is equal to 4,082 years, 18 weeks, 20 hours, 15 minutes, 12 seconds.
• To count from 1 to 128,388,226,512 would take you about eight thousand, one hundred sixty-four 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 128388226512 cubic inches would be around 420.4 feet tall.

Recreational maths with 128388226512

• 128388226512 backwards is 215622883821
• 128388226512 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128388226512's digits is 48
• More coming soon!