138861581040

Names of 138861581040

• Cardinal: 138861581040 can be written as One hundred thirty-eight billion, eight hundred sixty-one million, five hundred eighty-one thousand and forty.

Scientific notation

• Scientific notation: 1.3886158104 × 10¹¹

Factors of 138861581040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1814

Divisors of 138861581040

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 31 35 36 39 40 42 45 48 52 54 56 60 62 63 65 70 72 78 80 84 90 91 93 104 105 108 112 117 120 124 126 130 135 140 144 155 156 168 169 180 182 186 189 195 208 210 216 217 234 240 248 252 260 270 273 279 280 310 312 315 336 338 351 360 364 372 378 390 403 420 432 434 455 465 468 496 504 507 520 540 546 558 560 585 620 624 630 651 676 702 720 728 744 756 780 806 819 837 840 845 868 910 930 936 945 1008 1014 1040 1080 1085 1092 1116 1170 1183 1209 1240 1260 1302 1352 1365 1395 1404 1456 1488 1512 1521 1560 1612 1638 1674 1680 1690 1736 1753 1755 1820 1860 1872 1890 1953 2015 2028 2160 2170 2184 2232 2340 2366 2418 2457 2480 2520 2535 2604 2704 2730 2790 2808 2821 3024 3042 3120 3224 3255 3276 3348 3380 3472 3506 3510 3549 3627 3640 3720 3780 3906 4030 4056 4095 4185 4340 4368 4464 4563 4680 4732 4836 4914 5040 5070 5208 5239 5259 5460 5580 5616 5642 5859 5915 6045 6084 6448 6510 6552 6696 6760 7012 7020 7098 7254 7280 7440 7560 7605 7812 8060 8112 8190 8370 8463 8680 8765 9126 9360 9464 9672 9765 9828 10140 10416 10478 10518 10647 10881 10920 11160 11284 11718 11830 12090 12168 12271 12285 13020 13104 13392 13520 14024 14040 14105 14196 14508 15120 15210 15624 15717 15777 16120 16380 16740 16926 17360 17530 17745 18135 18252 18928 19344 19530 19656 20280 20956 21036 21294 21762 21840 22320 22568 22789 22815 23436 23660 24180 24336 24542 24570 25389 26040 26195 26295 28048 28080 28210 28392 29016 29295 30420 31248 31434 31554 31941 32240 32760 33480 33852 35060 35490 36270 36504 36673 36813 39060 39312 40560 41912 42072 42315 42588 43524 45136 45578 45630 46872 47151 47320 47331 48360 49084 49140 50778 52080 52390 52590 53235 54343 54405 56420 56784 58032 58590 60840 61355 62868 63108 63882 65520 66960 67704 68367 70120 70980 72540 73008 73346 73626 76167 78120 78585 78885 83824 84144 84630 85176 87048 91156 91260 93744 94302 94640 94662 96720 98168 98280 101556 104780 105180 106470 108686 108810 110019 110439 112840 113945 117180 121680 122710 125736 126216 126945 127764 135408 136734 140240 141453 141960 145080 146692 147252 152334 156240 157170 157770 159523 159705 163029 169260 170352 174096 182312 182520 183365 184065 188604 189324 196336 196560 203112 205101 209560 210360 212940 217372 217620 220038 220878 225680 227890 234360 235755 236655 245420 251472 252432 253890 255528 271715 273468 282906 283920 290160 293384 294504 296257 304668 314340 315540 319046 319410 326058 330057 331317 338520 341835 364624 365040 366730 368130 377208 378648 380401 380835 406224 410202 419120 420720 425880 434744 435240 440076 441756 455780 468720 471510 473310 478569 489087 490840 507780 511056 543430 546936 550095 552195 565812 586768 589008 592514 609336 615303 628680 631080 638092 638820 652116 660114 662634 677040 683670 706459 707265 733460 736260 754416 757296 760802 761670 797615 815145 820404 851760 869488 870480 880152 883512 888771 911560 943020 946620 957138 978174 981680 990171 1015560 1025505 1086860 1093872 1100190 1104390 1131624 1141203 1185028 1218672 1230606 1257360 1262160 1276184 1277640 1304232 1320228 1325268 1367340 1412918 1414530 1435707 1466920 1467261 1472520 1481285 1521604 1523340 1595230 1630290 1640808 1650285 1656585 1760304 1767024 1777542 1823120 1886040 1893240 1902005 1914276 1956348 1980342 2031120 2051010 2073799 2119377 2173720 2200380 2208780 2263248 2282406 2370056 2392845 2445435 2461212 2552368 2555280 2608464 2640456 2650536 2666313 2734680 2825836 2829060 2871414 2933840 2934522 2945040 2962570 3043208 3046680 3076515 3190460 3260580 3281616 3300570 3313170 3423609 3532295 3555084 3772080 3786480 3804010 3828552 3912696 3960684 4102020 4147598 4238754 4307121 4347440 4400760 4417560 4443855 4564812 4740112 4785690 4890870 4922424 4945213 4950855 5280912 5301072 5332626 5469360 5651672 5658120 5706015 5742828 5869044 5925140 6086416 6093360 6153030 6221397 6358131 6380920 6521160 6601140 6626340 6847218 7064590 7110168 7178535 7336305 7608020 7657104 7825392 7921368 7998939 8204040 8295196 8477508 8614242 8801520 8835120 8887710 9129624 9183967 9571380 9781740 9844848 9890426 9901710 10270827 10368995 10596885 10665252 11303344 11316240 11412030 11485656 11738088 11850280 12306060 12442794 12716262 12761840 13042320 13202280 13252680 13331565 13694436 14129180 14220336 14357070 14672610 14835639 15216040 15842736 15997878 16408080 16590392 16955016 17118045 17228484 17775420 18259248 18367934 18664191 19074393 19142760 19563480 19780852 19803420 20541654 20737990 21193770 21330504 21535605 22824060 22971312 23476176 23700560 24612120 24726065 24885588 25432524 26404560 26505360 26663130 27388872 27551901 28258360 28714140 29345220 29671278 30432080 31106985 31790655 31995756 33180784 33910032 34236090 34456968 35550840 36735868 37328382 38148786 38285520 39126960 39561704 39606840 39994695 41083308 41475980 42387540 42661008 43071210 44506917 45648120 45919835 49224240 49452130 49771176 50865048 51354135 53326260 54777744 55103802 55992573 56516720 57428280 58690440 59342556 62213970 63581310 63991512 64287769 68472180 68913936 71101680 73471736 74178195 74656764 76297572 79123408 79213680 79989390 82166616 82655703 82951960 84775080 86142420 89013834 91296240 91839670 93320955 95371965 98904260 99542352 101730096 102708270 106652520 110207604 111985146 114856560 117380880 118685112 124427940 127162620 127983024 128575538 133520751 136944360 137759505 146943472 148356390 149313528 152595144 159978780 164333232 165311406 165903920 169550160 172284840 178027668 183679340 186641910 190743930 192863307 197808520 205416540 213305040 220415208 222534585 223970292 237370224 247967109 248855880 254325240 257151076 267041502 273888720 275519010 279962865 296712780 298627056 305190288 319957560 321438845 330622812 344569680 356055336 367358680 373283820 381487860 385726614 395617040 410833080 413278515 440830416 445069170 447940584 495934218 497711760 508650480 514302152 534083004 551038020 559925730 578589921 593425560 639915120 642877690 661245624 667603755 712110672 734717360 746567640 762975720 771453228 821666160 826557030 890138340 895881168 964316535 991868436 1028604304 1068166008 1102076040 1119851460 1157179842 1186851120 1239835545 1285755380 1322491248 1335207510 1493135280 1525951440 1542906456 1653114060 1735769763 1780276680 1928633070 1983736872 2136332016 2204152080 2239702920 2314359684 2479671090 2571510760 2670415020 2892949605 3085812912 3306228120 3471539526 3560553360 3857266140 3967473744 4479405840 4628719368 4959342180 5143021520 5340830040 5785899210 6612456240 6943079052 7714532280 8678848815 9257438736 9918684360 10681660080 11571798420 13886158104 15429064560 17357697630 19837368720 23143596840 27772316208 34715395260 46287193680 69430790520 138861581040
• Sum of all divisors σ(n): 611355156480
• Sum of proper divisors (its aliquot sum) s(n): 472493575440
• 138861581040 is an abundant number, because the sum of its proper divisors (472493575440) is greater than itself. Its abundance is 333631994400

Bases of 138861581040

• Binary: 10000001010100110010111001001011110000₂
• Hexadecimal: 0x2054CB92F0
• Base-36: 1RSILLO0

Squares and roots of 138861581040

• 138861581040 squared (138861581040²) is 19282538688928487481600
• 138861581040 cubed (138861581040³) is 2677603808809578515190823908864000
• The square root of 138861581040 is 372641.3571250511
• The cube root of 138861581040 is 5178.3814136665

Scales and comparisons

• 138,861,581,040 seconds is equal to 4,415 years, 19 weeks, 1 day, 5 hours, 24 minutes.
• To count from 1 to 138,861,581,040 would take you about eight thousand, eight hundred thirty 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 138861581040 cubic inches would be around 431.5 feet tall.

Recreational maths with 138861581040

• 138861581040 backwards is 040185168831
• 138861581040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138861581040's digits is 45
• More coming soon!