138806720000

Names of 138806720000

• Cardinal: 138806720000 can be written as One hundred thirty-eight billion, eight hundred six million, seven hundred twenty thousand.

Scientific notation

• Scientific notation: 1.3880672 × 10¹¹

Factors of 138806720000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 628

Divisors of 138806720000

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 32 40 50 52 61 64 65 80 100 104 122 125 128 130 160 200 208 244 250 256 260 305 320 325 400 416 488 500 512 520 547 610 625 640 650 793 800 832 976 1000 1040 1094 1220 1250 1280 1300 1525 1586 1600 1625 1664 1952 2000 2080 2188 2440 2500 2560 2600 2735 3050 3172 3200 3250 3328 3904 3965 4000 4160 4376 4880 5000 5200 5470 6100 6344 6400 6500 6656 7111 7625 7808 7930 8000 8125 8320 8752 9760 10000 10400 10940 12200 12688 12800 13000 13675 14222 15250 15616 15860 16000 16250 16640 17504 19520 19825 20000 20800 21880 24400 25376 26000 27350 28444 30500 31232 31720 32000 32500 33280 33367 35008 35555 38125 39040 39650 40000 41600 43760 48800 50752 52000 54700 56888 61000 63440 64000 65000 66734 68375 70016 71110 76250 78080 79300 80000 83200 87520 97600 99125 101504 104000 109400 113776 122000 126880 130000 133468 136750 140032 142220 152500 156160 158600 160000 166400 166835 175040 177775 195200 198250 203008 208000 218800 227552 244000 253760 260000 266936 273500 280064 284440 305000 317200 320000 333670 341875 350080 355550 390400 396500 406016 416000 433771 437600 455104 488000 495625 507520 520000 533872 547000 568880 610000 634400 667340 683750 700160 711100 780800 793000 832000 834175 867542 875200 888875 910208 976000 991250 1015040 1040000 1067744 1094000 1137760 1220000 1268800 1334680 1367500 1400320 1422200 1586000 1668350 1735084 1750400 1777750 1820416 1952000 1982500 2030080 2080000 2135488 2168855 2188000 2275520 2440000 2537600 2669360 2735000 2844400 3172000 3336700 3470168 3500800 3555500 3640832 3904000 3965000 4160000 4170875 4270976 4337710 4376000 4444375 4551040 4880000 5075200 5338720 5470000 5688800 6344000 6673400 6940336 7001600 7111000 7930000 8341750 8541952 8675420 8752000 8888750 9102080 9760000 10150400 10677440 10844275 10940000 11377600 12688000 13346800 13880672 14222000 15860000 16683500 17083904 17350840 17504000 17777500 18204160 19520000 20854375 21354880 21688550 21880000 22755200 25376000 26693600 27761344 28444000 31720000 33367000 34701680 35008000 35555000 41708750 42709760 43377100 43760000 45510400 50752000 53387200 54221375 55522688 56888000 63440000 66734000 69403360 71110000 83417500 85419520 86754200 87520000 91020800 106774400 108442750 111045376 113776000 126880000 133468000 138806720 142220000 166835000 173508400 175040000 213548800 216885500 222090752 227552000 253760000 266936000 271106875 277613440 284440000 333670000 347016800 427097600 433771000 455104000 533872000 542213750 555226880 568880000 667340000 694033600 867542000 1067744000 1084427500 1110453760 1137760000 1334680000 1388067200 1735084000 2135488000 2168855000 2275520000 2669360000 2776134400 3470168000 4337710000 5338720000 5552268800 6940336000 8675420000 10677440000 13880672000 17350840000 27761344000 34701680000 69403360000 138806720000
• Sum of all divisors σ(n): 380037936432
• Sum of proper divisors (its aliquot sum) s(n): 241231216432
• 138806720000 is an abundant number, because the sum of its proper divisors (241231216432) is greater than itself. Its abundance is 102424496432

Bases of 138806720000

• Binary: 10000001010001100001100111011000000000₂
• Hexadecimal: 0x2051867600
• Base-36: 1RRLXQM8

Squares and roots of 138806720000

• 138806720000 squared (138806720000²) is 19267305517158400000000
• 138806720000 cubed (138806720000³) is 2674431482074661224448000000000000
• The square root of 138806720000 is 372567.7388073211
• The cube root of 138806720000 is 5177.6993704199

Scales and comparisons

• 138,806,720,000 seconds is equal to 4,413 years, 32 weeks, 3 days, 6 hours, 13 minutes, 20 seconds.
• To count from 1 to 138,806,720,000 would take you about eight thousand, eight hundred twenty-seven 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 138806720000 cubic inches would be around 431.5 feet tall.

Recreational maths with 138806720000

• 138806720000 backwards is 000027608831
• The number of decimal digits it has is: 12
• The sum of 138806720000's digits is 35
• More coming soon!