128629379378240

Names of 128629379378240

• Cardinal: 128629379378240 can be written as One hundred twenty-eight trillion, six hundred twenty-nine billion, three hundred seventy-nine million, three hundred seventy-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.2862937937824 × 10¹⁴

Factors of 128629379378240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 308

Divisors of 128629379378240

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 47 52 64 65 80 94 104 130 160 188 208 235 241 260 320 376 416 470 482 520 611 752 832 940 964 1040 1205 1222 1504 1880 1928 2080 2209 2410 2444 3008 3055 3133 3760 3856 4160 4418 4820 4888 6110 6266 7520 7712 8836 9640 9776 11045 11327 12220 12532 15040 15424 15665 17672 19280 19552 22090 22654 24440 25064 28717 31330 35344 38560 39104 44180 45308 48880 50128 56635 57434 58081 62660 70688 77120 88360 90616 97760 100256 113270 114868 116162 125320 141376 143585 147251 176720 181232 195520 200512 226540 229736 232324 250640 287170 290405 294502 353440 362464 453080 459472 464648 501280 532369 574340 580810 589004 706880 724928 736255 755053 906160 918944 929296 1002560 1064738 1148680 1161620 1178008 1472510 1510106 1812320 1837888 1858592 2129476 2297360 2323240 2356016 2661845 2729807 2945020 3020212 3624640 3717184 3775265 4258952 4594720 4646480 4712032 5323690 5459614 5890040 6040424 6920797 7550530 8517904 9189440 9292960 9424064 10647380 10919228 11780080 12080848 13649035 13841594 13997521 15101060 17035808 18585920 21294760 21838456 23560160 24161696 27298070 27683188 27995042 30202120 34071616 34603985 35487491 42589520 43676912 47120320 48323392 54596140 55366376 55990084 60404240 69207970 69987605 70974982 85179040 87353824 109192280 110732752 111980168 120808480 128300929 138415940 139975210 141949964 170358080 174707648 177437455 181967773 218384560 221465504 223960336 241616960 256601858 276831880 279950420 283899928 354874910 363935546 436769120 442931008 447920672 513203716 553663760 559900840 567799856 641504645 657883487 709749820 727871092 873538240 895841344 909838865 1026407432 1107327520 1119801680 1135599712 1283009290 1315766974 1419499640 1455742184 1667912077 1819677730 2052814864 2214655040 2239603360 2271199424 2566018580 2631533948 2838999280 2911484368 3289417435 3335824154 3639355460 4105629728 4479206720 5132037160 5263067896 5677998560 5822968736 6578834870 6671648308 7278710920 8211259456 8339560385 8552485331 10264074320 10526135792 11355997120 11645937472 13157669740 13343296616 14557421840 16679120770 17104970662 20528148640 21052271584 26315339480 26686593232 29114843680 30920523889 33358241540 34209941324 41056297280 42104543168 42762426655 52630678960 53373186464 58229687360 61841047778 66716483080 68419882648 85524853310 105261357920 106746372928 123682095556 133432966160 136839765296 154602619445 171049706620 210522715840 247364191112 266865932320 273679530592 309205238890 342099413240 401966810557 494728382224 533731864640 547359061184 618410477780 684198826480 803933621114 989456764448 1236820955560 1368397652960 1607867242228 1978913528896 2009834052785 2473641911120 2736795305920 3215734484456 4019668105570 4947283822240 6431468968912 8039336211140 9894567644480 12862937937824 16078672422280 25725875875648 32157344844560 64314689689120 128629379378240
• Sum of all divisors σ(n): 338432057738544
• Sum of proper divisors (its aliquot sum) s(n): 209802678360304
• 128629379378240 is an abundant number, because the sum of its proper divisors (209802678360304) is greater than itself. Its abundance is 81173298982064

Bases of 128629379378240

• Binary: 11101001111110011011100011101110010110001000000₂
• Hexadecimal: 0x74FCDC772C40
• Base-36: 19LFIRDB28

Squares and roots of 128629379378240

• 128629379378240 squared (128629379378240²) is 16545517239231193768985497600
• 128629379378240 cubed (128629379378240³) is 2128239613974279332500080747475065012224000
• The square root of 128629379378240 is 11341489.2927798507
• The cube root of 128629379378240 is 50479.3078482607

Scales and comparisons

• 128,629,379,378,240 seconds is equal to 4,090,016 years, 20 weeks, 1 day, 37 minutes, 20 seconds.
• To count from 1 to 128,629,379,378,240 would take you about ten million, two hundred twenty-five thousand and forty 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 128629379378240 cubic inches would be around 4206.6 feet tall.

Recreational maths with 128629379378240

• 128629379378240 backwards is 042873973926821
• The number of decimal digits it has is: 15
• The sum of 128629379378240's digits is 71
• More coming soon!