128742645226544

Names of 128742645226544

• Cardinal: 128742645226544 can be written as One hundred twenty-eight trillion, seven hundred forty-two billion, six hundred forty-five million, two hundred twenty-six thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.28742645226544 × 10¹⁴

Factors of 128742645226544

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13393

Divisors of 128742645226544

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 8 16 17 29 34 58 68 116 136 232 272 421 464 493 842 986 1684 1972 3368 3944 4733 6736 7157 7888 8191 9466 12209 14314 16382 18932 24418 28628 32764 37864 48836 57256 65528 75728 80461 97672 114512 131056 137257 139247 160922 195344 207553 237539 274514 278494 321844 415106 475078 549028 556988 643688 830212 950156 1098056 1113976 1287376 1660424 1900312 1992593 2196112 2227952 2333369 3320848 3448411 3800624 3985186 4038163 4666738 6896822 7970372 8076326 9333476 13793644 15940744 16152652 18666952 27587288 31881488 32305304 33874081 37333904 38768003 55174576 57785197 58622987 64610608 67748162 77536006 100003919 115570394 117245974 135496324 155072012 200007838 231140788 234491948 270992648 310144024 400015676 462281576 468983896 541985296 620288048 659056051 800031352 924563152 937967792 982348349 1124272087 1318112102 1600062704 1700066623 1964696698 2248544174 2636224204 3400133246 3929393396 4497088348 5272448408 6800266492 7858786792 8994176696 10544896816 13600532984 15717573584 16321329263 17988353392 19112625479 27201065968 32642658526 38225250958 65285317052 76450501916 130570634104 152901003832 261141268208 277462597471 305802007664 473318548627 554925194942 946637097254 1109850389884 1893274194508 2219700779768 3786548389016 4439401559536 7573096778032 8046415326659 16092830653318 32185661306636 64371322613272 128742645226544
• Sum of all divisors σ(n): 273959334051840
• Sum of proper divisors (its aliquot sum) s(n): 145216688825296
• 128742645226544 is an abundant number, because the sum of its proper divisors (145216688825296) is greater than itself. Its abundance is 16474043598752

Bases of 128742645226544

• Binary: 11101010001011100111011101000101101110000110000₂
• Hexadecimal: 0x75173BA2DC30
• Base-36: 19MVJYXIY8

Squares and roots of 128742645226544

• 128742645226544 squared (128742645226544²) is 16574668699927772589082183936
• 128742645226544 cubed (128742645226544³) is 2133866692182304498033375795718184997597184
• The square root of 128742645226544 is 11346481.6232409243
• The cube root of 128742645226544 is 50494.1201828649

Scales and comparisons

• 128,742,645,226,544 seconds is equal to 4,093,617 years, 46 weeks, 2 days, 8 hours, 15 minutes, 44 seconds.
• To count from 1 to 128,742,645,226,544 would take you about ten million, two hundred thirty-four thousand and forty-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 128742645226544 cubic inches would be around 4207.8 feet tall.

Recreational maths with 128742645226544

• 128742645226544 backwards is 445622546247821
• The number of decimal digits it has is: 15
• The sum of 128742645226544's digits is 62
• More coming soon!