128133617664

Names of 128133617664

• Cardinal: 128133617664 can be written as One hundred twenty-eight billion, one hundred thirty-three million, six hundred seventeen thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.28133617664 × 10¹¹

Factors of 128133617664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1604255

Divisors of 128133617664

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 192 208 256 312 384 416 512 624 768 832 1024 1248 1536 1664 2048 2496 3072 3328 4992 6144 6656 9984 13312 19968 26624 39936 79872 1604237 3208474 4812711 6416948 9625422 12833896 19250844 20855081 25667792 38501688 41710162 51335584 62565243 77003376 83420324 102671168 125130486 154006752 166840648 205342336 250260972 308013504 333681296 410684672 500521944 616027008 667362592 821369344 1001043888 1232054016 1334725184 1642738688 2002087776 2464108032 2669450368 3285477376 4004175552 4928216064 5338900736 8008351104 9856432128 10677801472 16016702208 21355602944 32033404416 42711205888 64066808832 128133617664
• Sum of all divisors σ(n): 367883858160
• Sum of proper divisors (its aliquot sum) s(n): 239750240496
• 128133617664 is an abundant number, because the sum of its proper divisors (239750240496) is greater than itself. Its abundance is 111616622832

Bases of 128133617664

• Binary: 1110111010101010110111101100000000000₂
• Hexadecimal: 0x1DD55BD800
• Base-36: 1MV3G45C

Squares and roots of 128133617664

• 128133617664 squared (128133617664²) is 16418223975664132816896
• 128133617664 cubed (128133617664³) is 2103726433619666034838267383250944
• The square root of 128133617664 is 357957.5640547355
• The cube root of 128133617664 is 5041.4372116913

Scales and comparisons

• 128,133,617,664 seconds is equal to 4,074 years, 13 weeks, 23 hours, 34 minutes, 24 seconds.
• To count from 1 to 128,133,617,664 would take you about eight thousand, one hundred forty-eight 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 128133617664 cubic inches would be around 420.1 feet tall.

Recreational maths with 128133617664

• 128133617664 backwards is 466716331821
• 128133617664 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128133617664's digits is 48
• More coming soon!