138378240

Names of 138378240

• Cardinal: 138378240 can be written as One hundred thirty-eight million, three hundred seventy-eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3837824 × 10⁸

Factors of 138378240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 41

Divisors of 138378240

• Number of divisors d(n): 704
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 21 22 24 26 27 28 30 32 33 35 36 39 40 42 44 45 48 52 54 55 56 60 63 64 65 66 70 72 77 78 80 84 88 90 91 96 99 104 105 108 110 112 117 120 126 128 130 132 135 140 143 144 154 156 160 165 168 176 180 182 189 192 195 198 208 210 216 220 224 231 234 240 252 256 260 264 270 273 280 286 288 297 308 312 315 320 330 336 351 352 360 364 378 384 385 390 396 416 420 429 432 440 448 455 462 468 480 495 504 512 520 528 540 546 560 572 576 585 594 616 624 630 640 660 672 693 702 704 715 720 728 756 768 770 780 792 819 832 840 858 864 880 896 910 924 936 945 960 990 1001 1008 1024 1040 1056 1080 1092 1120 1144 1152 1155 1170 1188 1232 1248 1260 1280 1287 1320 1344 1365 1386 1404 1408 1430 1440 1456 1485 1512 1536 1540 1560 1584 1638 1664 1680 1716 1728 1755 1760 1792 1820 1848 1872 1890 1920 1980 2002 2016 2079 2080 2112 2145 2160 2184 2240 2288 2304 2310 2340 2376 2457 2464 2496 2520 2560 2574 2640 2688 2730 2772 2808 2816 2860 2880 2912 2970 3003 3024 3072 3080 3120 3168 3276 3328 3360 3432 3456 3465 3510 3520 3584 3640 3696 3744 3780 3840 3861 3960 4004 4032 4095 4158 4160 4224 4290 4320 4368 4480 4576 4608 4620 4680 4752 4914 4928 4992 5005 5040 5120 5148 5280 5376 5460 5544 5616 5632 5720 5760 5824 5940 6006 6048 6160 6240 6336 6435 6552 6656 6720 6864 6912 6930 7020 7040 7168 7280 7392 7488 7560 7680 7722 7920 8008 8064 8190 8316 8320 8448 8580 8640 8736 8960 9009 9152 9216 9240 9360 9504 9828 9856 9984 10010 10080 10296 10395 10560 10752 10920 11088 11232 11264 11440 11520 11648 11880 12012 12096 12285 12320 12480 12672 12870 13104 13312 13440 13728 13824 13860 14040 14080 14560 14784 14976 15015 15120 15360 15444 15840 16016 16128 16380 16632 16640 16896 17160 17280 17472 17920 18018 18304 18480 18720 19008 19305 19656 19712 19968 20020 20160 20592 20790 21120 21504 21840 22176 22464 22880 23040 23296 23760 24024 24192 24570 24640 24960 25344 25740 26208 26880 27027 27456 27648 27720 28080 28160 29120 29568 29952 30030 30240 30888 31680 32032 32256 32760 33264 33280 33792 34320 34560 34944 35840 36036 36608 36960 37440 38016 38610 39312 39424 39936 40040 40320 41184 41580 42240 43680 44352 44928 45045 45760 46080 46592 47520 48048 48384 49140 49280 49920 50688 51480 52416 53760 54054 54912 55440 56160 56320 58240 59136 59904 60060 60480 61776 63360 64064 64512 65520 66528 66560 68640 69120 69888 72072 73216 73920 74880 76032 77220 78624 78848 80080 80640 82368 83160 84480 87360 88704 89856 90090 91520 93184 95040 96096 96768 98280 98560 99840 101376 102960 104832 107520 108108 109824 110880 112320 116480 118272 119808 120120 120960 123552 126720 128128 131040 133056 135135 137280 138240 139776 144144 146432 147840 149760 152064 154440 157248 160160 161280 164736 166320 168960 174720 177408 179712 180180 183040 190080 192192 193536 196560 197120 199680 205920 209664 216216 219648 221760 224640 232960 236544 240240 241920 247104 253440 256256 262080 266112 270270 274560 279552 288288 295680 299520 304128 308880 314496 320320 322560 329472 332640 349440 354816 359424 360360 366080 380160 384384 393120 394240 411840 419328 432432 439296 443520 449280 465920 480480 483840 494208 506880 512512 524160 532224 540540 549120 576576 591360 599040 617760 628992 640640 658944 665280 698880 709632 720720 732160 760320 768768 786240 823680 838656 864864 887040 898560 960960 967680 988416 1025024 1048320 1064448 1081080 1098240 1153152 1182720 1235520 1257984 1281280 1317888 1330560 1397760 1441440 1520640 1537536 1572480 1647360 1729728 1774080 1797120 1921920 1976832 2096640 2128896 2162160 2196480 2306304 2471040 2515968 2562560 2661120 2882880 3075072 3144960 3294720 3459456 3548160 3843840 3953664 4193280 4324320 4612608 4942080 5125120 5322240 5765760 6289920 6589440 6918912 7687680 8648640 9225216 9884160 10644480 11531520 12579840 13837824 15375360 17297280 19768320 23063040 27675648 34594560 46126080 69189120 138378240
• Sum of all divisors σ(n): 660280320
• Sum of proper divisors (its aliquot sum) s(n): 521902080
• 138378240 is an abundant number, because the sum of its proper divisors (521902080) is greater than itself. Its abundance is 383523840

Bases of 138378240

• Binary: 1000001111110111110000000000₂
• Hexadecimal: 0x83F7C00
• Base-36: 2ADXC0

Squares and roots of 138378240

• 138378240 squared (138378240²) is 19148537305497600
• 138378240 cubed (138378240³) is 2649740890909100212224000
• The square root of 138378240 is 11763.4280717825
• The cube root of 138378240 is 517.2366229631

Scales and comparisons

• 138,378,240 seconds is equal to 4 years, 20 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 138,378,240 would take you about six 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 138378240 cubic inches would be around 43.1 feet tall.

Recreational maths with 138378240

• 138378240 backwards is 042873831
• 138378240 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138378240's digits is 36
• More coming soon!