155243336864

Names of 155243336864

• Cardinal: 155243336864 can be written as One hundred fifty-five billion, two hundred forty-three million, three hundred thirty-six thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.55243336864 × 10¹¹

Factors of 155243336864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 19856

Divisors of 155243336864

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 11 14 16 17 22 28 32 34 44 56 68 77 88 112 119 121 136 154 176 187 224 238 242 272 289 308 352 374 476 484 544 578 616 748 847 952 968 1156 1232 1309 1496 1694 1904 1936 2023 2057 2312 2464 2618 2992 3179 3388 3808 3872 4046 4114 4624 5236 5984 6358 6776 8092 8228 9248 10472 12716 13552 14399 16184 16456 19819 20944 22253 25432 27104 28798 32368 32912 34969 39638 41888 44506 50864 57596 64736 65824 69938 79276 89012 101728 115192 138733 139876 158552 178024 218009 230384 244783 277466 279752 317104 336923 356048 436018 460768 489566 554932 559504 634208 673846 712096 872036 979132 1109864 1119008 1347692 1526063 1744072 1958264 2219728 2358461 2398099 2695384 3052126 3488144 3706153 3916528 4439456 4716922 4796198 5390768 5727691 6104252 6976288 7412306 7833056 9433844 9592396 10781536 11455382 12208504 14824612 16786693 18867688 19184792 22910764 24417008 25943071 29649224 33573386 37735376 38369584 40093837 40767683 45821528 48834016 51886142 59298448 63004601 67146772 75470752 76739168 80187674 81535366 91643056 103772284 118596896 126009202 134293544 160375348 163070732 183286112 207544568 252018404 268587088 285373781 320750696 326141464 415089136 441032207 504036808 537174176 570747562 641501392 652282928 693050611 830178272 882064414 1008073616 1141495124 1283002784 1304565856 1386101222 1764128828 2016147232 2282990248 2772202444 3528257656 4565980496 4851354277 5544404888 7056515312 9131960992 9702708554 11088809776 14113030624 19405417108 22177619552 38810834216 77621668432 155243336864
• Sum of all divisors σ(n): 407872291680
• Sum of proper divisors (its aliquot sum) s(n): 252628954816
• 155243336864 is an abundant number, because the sum of its proper divisors (252628954816) is greater than itself. Its abundance is 97385617952

Bases of 155243336864

• Binary: 10010000100101001110010101010010100000₂
• Hexadecimal: 0x24253954A0
• Base-36: 1ZBFVHCW

Squares and roots of 155243336864

• 155243336864 squared (155243336864²) is 24100493640669381354496
• 155243336864 cubed (155243336864³) is 3741441052847126540066503128940544
• The square root of 155243336864 is 394009.3106311067
• The cube root of 155243336864 is 5374.4949154553

Scales and comparisons

• 155,243,336,864 seconds is equal to 4,936 years, 13 weeks, 2 days, 21 hours, 7 minutes, 44 seconds.
• To count from 1 to 155,243,336,864 would take you about nine thousand, eight hundred seventy-two 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 155243336864 cubic inches would be around 447.9 feet tall.

Recreational maths with 155243336864

• 155243336864 backwards is 468633342551
• The number of decimal digits it has is: 12
• The sum of 155243336864's digits is 50
• More coming soon!