138819784320

Names of 138819784320

• Cardinal: 138819784320 can be written as One hundred thirty-eight billion, eight hundred nineteen million, seven hundred eighty-four thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.3881978432 × 10¹¹

Factors of 138819784320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 168

Divisors of 138819784320

• 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 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 140 144 151 160 168 180 192 210 224 240 252 280 288 302 315 320 336 360 384 420 448 453 480 504 560 576 604 630 640 672 720 755 840 896 906 960 1008 1057 1120 1152 1208 1260 1344 1359 1440 1510 1680 1812 1920 2016 2114 2240 2265 2416 2520 2688 2718 2880 3020 3171 3360 3624 4032 4228 4480 4530 4832 5040 5285 5436 5760 6040 6342 6720 6795 7248 8064 8456 9060 9513 9664 10080 10570 10872 12080 12684 13440 13590 14496 15855 16912 18120 19026 19328 20160 21140 21744 22801 24160 25368 27180 28992 31710 33824 36240 38052 40320 42280 43488 45602 47565 48320 50736 54360 57984 63420 67648 68403 72480 76104 84560 86976 91204 95130 96640 101472 108720 114005 126840 135296 136806 144960 152208 159607 169120 173952 182408 190260 202944 205209 217440 228010 253680 273612 289920 304416 319214 338240 342015 364816 380520 405888 410418 434880 456020 478821 507360 547224 608832 638428 676480 684030 729632 761040 798035 820836 869760 912040 957642 1014720 1026045 1094448 1217664 1276856 1368060 1436463 1459264 1522080 1596070 1641672 1824080 1915284 2029440 2052090 2188896 2394105 2553712 2736120 2872926 2918528 3044160 3192140 3283344 3442951 3648160 3830568 4104180 4377792 4788210 5107424 5472240 5745852 6088320 6384280 6566688 6885902 7182315 7296320 7661136 8208360 8755584 9576420 10214848 10328853 10944480 11491704 12768560 13133376 13771804 14364630 14592640 15322272 16416720 17214755 19152840 20429696 20657706 21888960 22983408 24100657 25537120 26266752 27543608 28729260 30644544 30986559 32833440 34429510 38305680 41315412 43777920 45966816 48201314 51074240 51644265 55087216 57458520 61289088 61973118 65666880 68859020 72301971 76611360 82630824 91933632 96402628 102148480 103288530 110174432 114917040 120503285 123946236 131333760 137718040 144603942 153222720 154932795 165261648 183867264 192805256 206577060 216905913 220348864 229834080 241006570 247892472 275436080 289207884 306445440 309865590 330523296 361509855 385610512 413154120 433811826 440697728 459668160 482013140 495784944 550872160 578415768 619731180 661046592 723019710 771221024 826308240 867623652 919336320 964026280 991569888 1084529565 1101744320 1156831536 1239462360 1322093184 1446039420 1542442048 1652616480 1735247304 1928052560 1983139776 2169059130 2203488640 2313663072 2478924720 2892078840 3084884096 3305232960 3470494608 3856105120 3966279552 4338118260 4627326144 4957849440 5784157680 6610465920 6940989216 7712210240 8676236520 9254652288 9915698880 11568315360 13881978432 15424420480 17352473040 19831397760 23136630720 27763956864 34704946080 46273261440 69409892160 138819784320
• Sum of all divisors σ(n): 551494644480
• Sum of proper divisors (its aliquot sum) s(n): 412674860160
• 138819784320 is an abundant number, because the sum of its proper divisors (412674860160) is greater than itself. Its abundance is 273855075840

Bases of 138819784320

• Binary: 10000001010010010011011100111010000000₂
• Hexadecimal: 0x20524DCE80
• Base-36: 1RRTPR40

Squares and roots of 138819784320

• 138819784320 squared (138819784320²) is 19270932518651317862400
• 138819784320 cubed (138819784320³) is 2675186695884450322942131437568000
• The square root of 138819784320 is 372585.2712064717
• The cube root of 138819784320 is 5177.8618049175

Scales and comparisons

• 138,819,784,320 seconds is equal to 4,414 years, 2 weeks, 11 hours, 12 minutes.
• To count from 1 to 138,819,784,320 would take you about eight thousand, eight hundred twenty-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 138819784320 cubic inches would be around 431.5 feet tall.

Recreational maths with 138819784320

• 138819784320 backwards is 023487918831
• The number of decimal digits it has is: 12
• The sum of 138819784320's digits is 54
• More coming soon!