268809135840

Names of 268809135840

• Cardinal: 268809135840 can be written as Two hundred sixty-eight billion, eight hundred nine million, one hundred thirty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.6880913584 × 10¹¹

Factors of 268809135840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 59825

Divisors of 268809135840

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 54 56 60 63 70 72 80 84 90 96 105 108 112 120 126 135 140 144 149 160 168 180 189 210 216 224 240 252 270 280 288 298 315 336 360 378 420 432 447 480 504 540 560 596 630 672 720 745 756 840 864 894 945 1008 1043 1080 1120 1192 1260 1341 1440 1490 1512 1680 1788 1890 2016 2086 2160 2235 2384 2520 2682 2980 3024 3129 3360 3576 3780 4023 4172 4320 4470 4768 5040 5215 5364 5960 6048 6258 6705 7152 7560 8046 8344 8940 9387 10080 10430 10728 11920 12516 13410 14304 15120 15645 16092 16688 17880 18774 20115 20860 21456 23840 25032 26820 28161 30240 31290 32184 33376 35760 37548 40230 41720 42912 46935 50064 53640 56322 59659 62580 64368 71520 75096 80460 83440 93870 100128 107280 112644 119318 125160 128736 140805 150192 160920 166880 178977 187740 214560 225288 238636 250320 281610 298295 300384 321840 357954 375480 417613 450576 477272 500640 536931 563220 596590 643680 715908 750960 835226 894885 901152 954544 1073862 1126440 1193180 1252839 1431816 1501920 1610793 1670452 1789770 1909088 2088065 2147724 2252880 2386360 2505678 2684655 2863632 3221586 3340904 3579540 3758517 4176130 4295448 4505760 4772720 5011356 5369310 5727264 6264195 6443172 6681808 7159080 7517034 8053965 8352260 8590896 8889191 9545440 10022712 10738620 11275551 12528390 12886344 13363616 14318160 15034068 16107930 16704520 17181792 17778382 18792585 20045424 21477240 22551102 25056780 25772688 26667573 28636320 30068136 32215860 33409040 35556764 37585170 40090848 42954480 44445955 45102204 50113560 51545376 53335146 56377755 60136272 62224337 64431720 66818080 71113528 75170340 80002719 85908960 88891910 90204408 100227120 106670292 112755510 120272544 124448674 128863440 133337865 142227056 150340680 160005438 177783820 180408816 186673011 200454240 213340584 225511020 240008157 248897348 257726880 266675730 284454112 300681360 311121685 320010876 355567640 360817632 373346022 400013595 426681168 451022040 480016314 497794696 533351460 560019033 601362720 622243370 640021752 711135280 746692044 800027190 853362336 902044080 933365055 960032628 995589392 1066702920 1120038066 1200040785 1244486740 1280043504 1422270560 1493384088 1600054380 1680057099 1804088160 1866730110 1920065256 1991178784 2133405840 2240076132 2400081570 2488973480 2560087008 2800095165 2986768176 3200108760 3360114198 3733460220 3840130512 4266811680 4480152264 4800163140 4977946960 5600190330 5973536352 6400217520 6720228396 7466920440 7680261024 8400285495 8960304528 9600326280 9955893920 11200380660 12800435040 13440456792 14933840880 16800570990 17920609056 19200652560 22400761320 26880913584 29867681760 33601141980 38401305120 44801522640 53761827168 67202283960 89603045280 134404567920 268809135840
• Sum of all divisors σ(n): 1082471040000
• Sum of proper divisors (its aliquot sum) s(n): 813661904160
• 268809135840 is an abundant number, because the sum of its proper divisors (813661904160) is greater than itself. Its abundance is 544852768320

Bases of 268809135840

• Binary: 11111010010110010001011110011011100000₂
• Hexadecimal: 0x3E9645E6E0
• Base-36: 3FHM0OO0

Squares and roots of 268809135840

• 268809135840 squared (268809135840²) is 72258351511047572505600
• 268809135840 cubed (268809135840³) is 19423705026907656178360079560704000
• The square root of 268809135840 is 518468.0663647473
• The cube root of 268809135840 is 6453.7876984779

Scales and comparisons

• 268,809,135,840 seconds is equal to 8,547 years, 15 weeks, 3 days, 20 hours, 24 minutes.
• To count from 1 to 268,809,135,840 would take you about seventeen thousand and ninety-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 268809135840 cubic inches would be around 537.8 feet tall.

Recreational maths with 268809135840

• 268809135840 backwards is 048531908862
• 268809135840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 268809135840's digits is 54
• More coming soon!