155745338735728

Names of 155745338735728

• Cardinal: 155745338735728 can be written as One hundred fifty-five trillion, seven hundred forty-five billion, three hundred thirty-eight million, seven hundred thirty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.55745338735728 × 10¹⁴

Factors of 155745338735728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2598

Divisors of 155745338735728

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 7 8 14 16 28 37 56 74 112 148 259 296 518 592 751 1036 1369 1502 1801 2072 2738 3004 3602 4144 5257 5476 6008 7204 9583 10514 10952 12016 12607 14408 19166 21028 21904 25214 27787 28816 38332 42056 50428 55574 66637 76664 84112 100856 111148 133274 153328 194509 201712 222296 266548 389018 444592 466459 533096 564001 778036 932918 1028119 1066192 1128002 1352551 1556072 1865836 2056238 2256004 2465569 2705102 3112144 3731672 3948007 4112476 4512008 4931138 5410204 7196833 7463344 7896014 8224952 9024016 9467857 9862276 10820408 14393666 15792028 16449904 17258983 18935714 19724552 20868037 21640816 28787332 31584056 34517966 37871428 39449104 41736074 50044387 57574664 63168112 69035932 75742856 83472148 100088774 115149328 138071864 146076259 151485712 166944296 200177548 276143728 292152518 333888592 350310709 400355096 584305036 700621418 772117369 800710192 1015765801 1168610072 1401242836 1544234738 1851642319 2031531602 2337220144 2802485672 3088469476 3703284638 4063063204 5404821583 5604971344 6176938952 7110360607 7406569276 8126126408 10809643166 12353877904 12961496233 14220721214 14813138552 16252252816 21619286332 25922992466 28441442428 29626277104 37583334637 43238572664 51845984932 56882884856 75166669274 86477145328 103691969864 113765769712 150333338548 207383939728 263083342459 300666677096 526166684918 601333354192 1052333369836 1390583381569 2104666739672 2781166763138 4209333479344 5562333526276 9734083670983 11124667052552 19468167341966 22249334105104 38936334683932 77872669367864 155745338735728
• Sum of all divisors σ(n): 355106900360016
• Sum of proper divisors (its aliquot sum) s(n): 199361561624288
• 155745338735728 is an abundant number, because the sum of its proper divisors (199361561624288) is greater than itself. Its abundance is 43616222888560

Bases of 155745338735728

• Binary: 100011011010011001001001100101110011110001110000₂
• Hexadecimal: 0x8DA649973C70
• Base-36: 1J7GF5GH9S

Squares and roots of 155745338735728

• 155745338735728 squared (155745338735728²) is 24256610537906656613423689984
• 155745338735728 cubed (155745338735728³) is 3777854024806901604540596590646279176548352
• The square root of 155745338735728 is 12479797.2233417319
• The cube root of 155745338735728 is 53802.8175230721

Scales and comparisons

• 155,745,338,735,728 seconds is equal to 4,952,220 years, 1 week, 5 hours, 15 minutes, 28 seconds.
• To count from 1 to 155,745,338,735,728 would take you about twelve million, three hundred eighty thousand, five hundred fifty 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 155745338735728 cubic inches would be around 4483.6 feet tall.

Recreational maths with 155745338735728

• 155745338735728 backwards is 827537833547551
• The number of decimal digits it has is: 15
• The sum of 155745338735728's digits is 73
• More coming soon!