128742267996225

Names of 128742267996225

• Cardinal: 128742267996225 can be written as One hundred twenty-eight trillion, seven hundred forty-two billion, two hundred sixty-seven million, nine hundred ninety-six thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.28742267996225 × 10¹⁴

Factors of 128742267996225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1929

Divisors of 128742267996225

• Number of divisors d(n): 243
• Complete list of divisors:
  1 3 5 9 13 15 25 31 39 45 65 75 93 117 155 169 195 225 279 325 403 465 507 585 775 845 961 975 1209 1395 1521 1877 2015 2325 2535 2883 2925 3627 4225 4805 5239 5631 6045 6975 7605 8649 9385 10075 12493 12675 14415 15717 16893 18135 24025 24401 26195 28155 30225 37479 38025 43245 46925 47151 58187 62465 72075 73203 78585 84465 90675 112437 122005 130975 140775 162409 174561 187395 216225 219609 235755 290935 312325 317213 366015 392925 422325 487227 523683 562185 610025 756431 812045 872805 936975 951639 1098045 1178775 1454675 1461681 1586065 1803797 1830075 2269293 2436135 2618415 2810925 2854917 3523129 3782155 4060225 4364025 4758195 5411391 5490225 6807879 7308405 7930325 9018985 9833603 10569387 11346465 12180675 13092075 14274585 16234173 17615645 18910775 23449361 23790975 27056955 29500809 31708161 34039395 36542025 45094925 45800677 49168015 52846935 56732325 70348083 71372925 81170865 88078225 88502427 109216999 117246805 135284775 137402031 147504045 158540805 170196975 211044249 229003385 245840075 264234675 304841693 327650997 351740415 405854325 412206093 442512135 546084995 586234025 595408801 687010155 737520225 792704025 914525079 982952991 1055221245 1145016925 1419820987 1524208465 1638254985 1758702075 1786226403 2061030465 2212560675 2730424975 2743575237 2977044005 3385726969 3435050775 4259462961 4572625395 4914764955 5276106225 5358679209 7099104935 7621042325 8191274925 8931132015 10157180907 10305152325 12778388883 13717876185 14885220025 16928634845 18457672831 21297314805 22863126975 24573824775 26793396045 30471542721 35495524675 44014450597 44655660075 50785904535 55373018493 63891944415 68589380925 84643174225 92288364155 106486574025 132043351791 133966980225 152357713605 166119055479 220072252985 253929522675 276865092465 319459722075 396130055373 461441820775 572187857761 660216758955 761788568025 830595277395 1100361264925 1384325462325 1716563573283 1980650276865 2860939288805 3301083794775 4152976386975 5149690719849 8582817866415 9903251384325 14304696444025 25748453599245 42914089332075 128742267996225
• Sum of all divisors σ(n): 258145981054299
• Sum of proper divisors (its aliquot sum) s(n): 129403713058074
• 128742267996225 is an abundant number, because the sum of its proper divisors (129403713058074) is greater than itself. Its abundance is 661445061849

Bases of 128742267996225

• Binary: 11101010001011100100101001001101100100001000001₂
• Hexadecimal: 0x75172526C841
• Base-36: 19MVDQC669

Squares and roots of 128742267996225

• 128742267996225 squared (128742267996225²) is 16574571568811819876614250625
• 128742267996225 cubed (128742267996225³) is 2133847934834582748450534166548698703890625
• 128742267996225 is a perfect square number. Its square root is 11346465
• The cube root of 128742267996225 is 50494.0708650139

Scales and comparisons

• 128,742,267,996,225 seconds is equal to 4,093,605 years, 46 weeks, 4 days, 6 hours, 3 minutes, 45 seconds.
• To count from 1 to 128,742,267,996,225 would take you about ten million, two hundred thirty-four thousand and fourteen 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 128742267996225 cubic inches would be around 4207.8 feet tall.

Recreational maths with 128742267996225

• 128742267996225 backwards is 522699762247821
• The number of decimal digits it has is: 15
• The sum of 128742267996225's digits is 72
• More coming soon!