28378972913137

Names of 28378972913137

• Cardinal: 28378972913137 can be written as Twenty-eight trillion, three hundred seventy-eight billion, nine hundred seventy-two million, nine hundred thirteen thousand, one hundred thirty-seven.

Scientific notation

• Scientific notation: 2.8378972913137 × 10¹³

Factors of 28378972913137

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1299

Divisors of 28378972913137

• Number of divisors d(n): 256
• Complete list of divisors:
  1 7 11 19 43 49 71 77 127 133 209 301 343 473 497 539 781 817 889 931 1021 1349 1397 1463 2107 2413 3053 3311 3479 3773 5461 5467 5719 6223 6517 7147 8987 9017 9443 9779 10241 11231 14749 14839 16891 19399 21371 23177 24353 26543 33583 38227 38269 40033 43561 43903 50029 58007 60071 62909 63119 66101 68453 71687 72491 78617 99187 103759 103873 118237 129667 135793 149597 162239 171323 185801 213389 235081 267589 267883 280231 307321 350203 387731 406049 420497 440363 441833 462707 479171 482933 507437 550319 638077 694309 726313 727111 797401 827659 834157 907669 950551 1047179 1141349 1199261 1300607 1377329 1426337 1493723 1645567 1873123 1884553 2151247 2463673 2714117 2842343 2943479 3082541 3092831 3117113 3380531 3552059 3852233 4265041 4466539 4860163 5084191 5089777 5575681 5581807 5839099 6353683 6653857 7366889 7989443 8394827 9104249 9175727 9206357 9641303 9984359 10456061 11518969 13191871 15058729 15150619 17245711 18998819 19896401 20604353 21819791 23663717 24864413 27100403 29855287 31265773 34021141 34288243 35589337 39029767 39072649 40873693 44475781 51568223 55926101 58763789 59225147 61332491 64230089 64444499 67489121 69890513 73192427 81035779 92343097 101269927 105937939 106054333 120719977 132991733 152738537 165646019 174920783 189702821 208987009 218860411 240017701 273208369 273508543 286115851 360977561 391482707 395873351 414576029 429327437 449610623 451111493 472423847 489233591 567250453 646401679 651476617 708889489 741565573 742380331 845039839 1069169759 1165317329 1224445481 1327919747 1462909063 1680123907 1912458583 1924128613 2526842927 2771113457 2902032203 3005292059 3147274361 3157780451 3970753171 4354606861 4560336319 4962226423 5190959011 5196662317 7521593669 8157221303 8571118367 9295438229 11760867349 13468900291 19397794199 20314225421 21037044413 27795272197 30482248027 31922354233 34735584961 36336713077 52651155683 57100549121 59997828569 82737530359 94282302037 135784559393 213375736189 223456479631 368558089781 399703843847 579162712513 659976114259 1493630153323 2579906628467 4054138987591 28378972913137
• Sum of all divisors σ(n): 39784808448000
• Sum of proper divisors (its aliquot sum) s(n): 11405835534863
• 28378972913137 is a deficient number, because the sum of its proper divisors (11405835534863) is less than itself. Its deficiency is 16973137378274

Bases of 28378972913137

• Binary: 110011100111101111110100110010111110111110001₂
• Hexadecimal: 0x19CF7E997DF1
• Base-36: A254BQYUP

Squares and roots of 28378972913137

• 28378972913137 squared (28378972913137²) is 805366103604563544147180769
• 28378972913137 cubed (28378972913137³) is 22855462839352595638733947934313673862353
• The square root of 28378972913137 is 5327191.8412177537
• The cube root of 28378972913137 is 30502.2744566089

Scales and comparisons

• 28,378,972,913,137 seconds is equal to 902,363 years, 28 weeks, 6 days, 15 hours, 25 minutes, 37 seconds.
• To count from 1 to 28,378,972,913,137 would take you about two million, two hundred fifty-five thousand, nine hundred eight 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 28378972913137 cubic inches would be around 2541.9 feet tall.

Recreational maths with 28378972913137

• 28378972913137 backwards is 73131927987382
• The number of decimal digits it has is: 14
• The sum of 28378972913137's digits is 70
• More coming soon!