8138505375

Names of 8138505375

• Cardinal: 8138505375 can be written as Eight billion, one hundred thirty-eight million, five hundred five thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 8.138505375 × 10⁹

Factors of 8138505375

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 112

Divisors of 8138505375

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 5 7 9 11 13 15 21 25 27 33 35 39 45 55 63 65 73 75 77 81 91 99 105 117 121 125 135 143 165 175 189 195 219 225 231 273 275 297 315 325 351 363 365 375 385 405 429 455 495 511 525 567 585 605 657 675 693 715 803 819 825 847 875 891 945 949 975 1001 1053 1089 1095 1125 1155 1287 1365 1375 1485 1533 1573 1575 1625 1755 1815 1825 1925 1971 2025 2079 2145 2275 2409 2457 2475 2541 2555 2625 2835 2847 2925 3003 3025 3267 3285 3375 3465 3575 3861 4015 4095 4125 4235 4455 4599 4719 4725 4745 4875 5005 5265 5445 5475 5621 5775 5913 6237 6435 6643 6825 7227 7371 7425 7623 7665 7865 7875 8541 8775 8833 9009 9075 9125 9625 9801 9855 10125 10395 10439 10725 11011 11375 11583 12045 12285 12375 12705 12775 13797 14157 14175 14235 14625 15015 15125 16335 16425 16863 17325 17875 19305 19929 20075 20475 21175 21681 22275 22869 22995 23595 23625 23725 25025 25623 26325 26499 27027 27225 27375 28105 28875 29565 31185 31317 32175 33033 33215 34125 36135 36855 37125 38115 38325 39325 41391 42471 42705 43875 44165 45045 45375 49005 49275 50589 51975 52195 53625 55055 57915 59787 60225 61425 61831 63525 63875 65043 68607 68985 70785 70875 71175 73073 75075 76869 79497 81081 81675 82125 84315 86625 93951 96525 99099 99645 100375 102375 105875 108405 111375 114345 114829 114975 117975 118625 125125 127413 128115 131625 132495 135135 136125 140525 147825 151767 155925 156585 160875 165165 166075 179361 180675 184275 185493 190575 191625 196625 206955 212355 213525 219219 220825 225225 238491 245025 246375 252945 259875 260975 275275 281853 289575 297297 298935 301125 307125 309155 317625 325215 343035 344487 344925 353925 355875 365365 375375 384345 397485 405405 408375 421575 455301 469755 482625 495495 498225 538083 542025 556479 571725 574145 574875 589875 637065 640575 657657 662475 675675 702625 715473 739125 758835 779625 782925 803803 825825 830375 845559 891891 896805 903375 921375 927465 952875 1033461 1034775 1061775 1067625 1096095 1104125 1126125 1192455 1225125 1264725 1304875 1376375 1409265 1447875 1486485 1494675 1545775 1626075 1669437 1715175 1722435 1724625 1769625 1826825 1921725 1972971 1987425 2027025 2107875 2276505 2348775 2411409 2477475 2491125 2690415 2710125 2782395 2858625 2870725 3100383 3185325 3202875 3288285 3312375 3378375 3577365 3794175 3914625 4019015 4129125 4227795 4459455 4484025 4637325 5008311 5167305 5173875 5308875 5480475 5918913 5962275 6323625 7046325 7234227 7432425 7473375 7728875 8130375 8347185 8575875 8612175 9134125 9301149 9608625 9864855 9937125 10135125 11382525 11743875 12057045 12387375 13452075 13911975 14353625 15501915 15926625 16441425 17886825 18970875 20095075 21138975 21702681 22297275 22420125 23186625 25041555 25836525 27402375 29594565 29811375 35231625 36171135 37162125 41735925 43060875 46505745 49324275 56912625 60285225 65108043 67260375 69559875 77509575 82207125 89434125 100475375 105694875 108513405 111486375 125207775 129182625 147972825 180855675 208679625 232528725 246621375 301426125 325540215 387547875 542567025 626038875 739864125 904278375 1162643625 1627701075 2712835125 8138505375
• Sum of all divisors σ(n): 20807090304
• Sum of proper divisors (its aliquot sum) s(n): 12668584929
• 8138505375 is an abundant number, because the sum of its proper divisors (12668584929) is greater than itself. Its abundance is 4530079554

Bases of 8138505375

• Binary: 111100101000101111011110010011111₂
• Hexadecimal: 0x1E517BC9F
• Base-36: 3QLGEXR

Squares and roots of 8138505375

• 8138505375 squared (8138505375²) is 66235269738903890625
• 8138505375 cubed (8138505375³) is 539056098784644160459974609375
• The square root of 8138505375 is 90213.6651234169
• The cube root of 8138505375 is 2011.4761377621

Scales and comparisons

• 8,138,505,375 seconds is equal to 258 years, 40 weeks, 3 days, 15 hours, 56 minutes, 15 seconds.
• To count from 1 to 8,138,505,375 would take you about five hundred seventeen 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 8138505375 cubic inches would be around 167.6 feet tall.

Recreational maths with 8138505375

• 8138505375 backwards is 5735058318
• 8138505375 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8138505375's digits is 45
• More coming soon!