128118238173847656

Names of 128118238173847656

• Cardinal: 128118238173847656 can be written as One hundred twenty-eight quadrillion, one hundred eighteen trillion, two hundred thirty-eight billion, one hundred seventy-three million, eight hundred forty-seven thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.28118238173847656 × 10¹⁷

Factors of 128118238173847656

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 36539148912

Divisors of 128118238173847656

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 54 56 63 72 81 84 108 126 162 168 189 216 252 324 378 504 567 648 756 773 1134 1512 1546 2268 2319 3092 4536 4638 5411 6184 6957 9276 10822 13914 16233 18552 20871 21644 27828 32466 41742 43288 48699 55656 62613 64932 83484 97398 125226 129864 146097 166968 194796 250452 292194 389592 438291 500904 584388 876582 1168776 1753164 3506328 36539148127 73078296254 109617444381 146156592508 219234888762 255774036889 292313185016 328852333143 438469777524 511548073778 657704666286 767322110667 876939555048 986556999429 1023096147556 1315409332572 1534644221334 1973113998858 2046192295112 2301966332001 2630818665144 2959670998287 3069288442668 3946227997716 4603932664002 5919341996574 6138576885336 6905898996003 7892455995432 9207865328004 11838683993148 13811797992006 18415730656008 20717696988009 23677367986296 27623595984012 28244761502171 41435393976018 55247191968024 56489523004342 82870787952036 84734284506513 112979046008684 165741575904072 169468569013026 197713330515197 225958092017368 254202853519539 338937138026052 395426661030394 508405707039078 593139991545591 677874276052104 762608560558617 790853322060788 1016811414078156 1186279983091182 1525217121117234 1581706644121576 1779419974636773 2033622828156312 2287825681675851 2372559966182364 3050434242234468 3558839949273546 4575651363351702 4745119932364728 5338259923910319 6100868484468936 7117679898547092 9151302726703404 10676519847820638 14235359797094184 16014779771730957 18302605453406808 21353039695641276 32029559543461914 42706079391282552 64059119086923828 128118238173847656
• Sum of all divisors σ(n): 410644485453565440
• Sum of proper divisors (its aliquot sum) s(n): 282526247279717784
• 128118238173847656 is an abundant number, because the sum of its proper divisors (282526247279717784) is greater than itself. Its abundance is 154408009105870128

Bases of 128118238173847656

• Binary: 111000111001010101101101111011011100110011110000001101000₂
• Hexadecimal: 0x1C72ADBDB99E068
• Base-36: Z1I4I39TQI0

Squares and roots of 128118238173847656

• 128118238173847656 squared (128118238173847656²) is 16414282952770754764523263496694336
• 128118238173847656 cubed (128118238173847656³) is 2102969012796010934620779850369398469270642062076416
• The square root of 128118238173847656 is 357936081.1288066499
• The cube root of 128118238173847656 is 504123.5500806413

Scales and comparisons

• 128,118,238,173,847,656 seconds is equal to 4,073,763,678 years, 10 weeks, 1 day, 23 hours, 27 minutes, 36 seconds.
• To count from 1 to 128,118,238,173,847,656 would take you about twelve billion, two hundred twenty-one million, two hundred ninety-one thousand and thirty-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 128118238173847656 cubic inches would be around 42010.3 feet tall.

Recreational maths with 128118238173847656

• 128118238173847656 backwards is 656748371832811821
• 128118238173847656 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 128118238173847656's digits is 81
• More coming soon!