138423601680

Names of 138423601680

• Cardinal: 138423601680 can be written as One hundred thirty-eight billion, four hundred twenty-three million, six hundred one thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.3842360168 × 10¹¹

Factors of 138423601680

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 327

Divisors of 138423601680

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 19 20 21 24 26 28 30 35 38 39 40 42 48 52 56 57 60 65 70 76 78 80 84 91 95 97 104 105 112 114 120 130 133 140 152 156 168 181 182 190 194 195 208 210 228 240 247 260 266 273 280 285 291 304 312 336 361 362 364 380 388 390 399 420 455 456 485 494 520 532 543 546 560 570 582 624 665 679 722 724 728 741 760 776 780 798 840 905 910 912 970 988 1040 1064 1083 1086 1092 1140 1164 1235 1261 1267 1330 1358 1365 1444 1448 1455 1456 1482 1520 1552 1560 1596 1680 1729 1805 1810 1820 1843 1940 1976 1995 2037 2128 2166 2172 2184 2280 2328 2353 2470 2522 2527 2534 2660 2715 2716 2730 2888 2896 2910 2964 3120 3192 3395 3439 3458 3610 3620 3640 3686 3705 3783 3801 3880 3952 3990 4074 4332 4344 4368 4560 4656 4693 4706 4940 5044 5054 5068 5187 5320 5415 5430 5432 5460 5529 5776 5820 5928 6305 6335 6384 6790 6878 6916 7059 7220 7240 7280 7372 7410 7566 7581 7602 7760 7980 8148 8645 8664 8688 8827 9215 9386 9412 9880 10088 10108 10136 10185 10317 10374 10640 10830 10860 10864 10920 11058 11640 11765 11856 12610 12635 12670 12901 13580 13756 13832 14079 14118 14440 14480 14744 14820 15132 15162 15204 15960 16296 16471 17195 17290 17328 17557 17654 18430 18772 18824 18915 19005 19760 20176 20216 20272 20370 20634 20748 21660 21720 21840 22116 23280 23465 23530 23959 24073 25220 25270 25340 25802 25935 26481 27160 27512 27645 27664 28158 28236 28880 29488 29640 30264 30324 30408 31920 32592 32851 32942 34390 34580 35017 35114 35295 35308 36860 37544 37648 37830 37905 38010 38703 40432 40740 41268 41496 43320 43440 44135 44232 44707 46930 47060 47918 48146 49413 50440 50540 50680 51585 51604 51870 52671 52962 54320 55024 55290 56316 56472 59280 60528 60648 60816 64505 65341 65702 65884 68780 69160 70034 70228 70395 70590 70616 71877 72219 73720 75088 75660 75810 76020 77406 81480 82355 82536 82992 86640 87785 88270 88464 89414 93860 94120 95836 96292 98553 98826 100880 101080 101360 103170 103208 103740 105051 105342 105924 110580 112632 112944 119795 120365 121296 122899 129010 130682 131404 131768 132405 134121 137560 138320 140068 140456 140790 141180 141232 143754 144438 147440 151320 151620 152040 154812 162960 164255 164710 165072 167713 175085 175570 176540 178828 187720 188240 191672 192584 193515 196023 197106 197652 202160 206340 206416 207480 210102 210684 211848 221160 223535 225264 228241 239590 240730 245119 245798 247065 258020 261364 262808 263355 263536 264810 268242 275120 280136 280912 281580 282360 287508 288876 302640 303240 304080 309624 312949 326705 328510 329420 333583 335426 350170 351140 353080 357656 359385 361095 368697 375440 383344 385168 387030 392046 394212 395304 412680 414960 420204 421368 423696 442320 447070 455221 456482 457387 479180 481460 490238 491596 492765 494130 503139 516040 522728 525255 525616 526710 529620 536484 560272 563160 564720 575016 577752 606480 614495 619248 625898 653410 657020 658840 667166 670605 670852 684723 700340 702280 706160 715312 718770 722190 735357 737394 774060 784092 788424 790608 825360 838565 840408 842736 849433 894140 910442 912964 914774 938847 958360 962920 980115 980476 983192 985530 988260 1000749 1006278 1032080 1045456 1050510 1053420 1059240 1072968 1126320 1141205 1150032 1155504 1225595 1228990 1251796 1306820 1314040 1317680 1334332 1341210 1341704 1365663 1369446 1372161 1400680 1404560 1437540 1444380 1470714 1474788 1548120 1564745 1568184 1576848 1597687 1667915 1677130 1680816 1698866 1788280 1820884 1825928 1829548 1843485 1877694 1916720 1925840 1960230 1960952 1966384 1971060 1976520 2001498 2012556 2101020 2106840 2118480 2145936 2276105 2282410 2286935 2335081 2451190 2457980 2503592 2515695 2548299 2613640 2628080 2668664 2682420 2683408 2731326 2738892 2744322 2801360 2875080 2888760 2941428 2949576 3096240 3129490 3136368 3186547 3195374 3335830 3354260 3397732 3423615 3576560 3641768 3651856 3659096 3676785 3686970 3755388 3920460 3921904 3942120 3953040 4002996 4025112 4202040 4213680 4247165 4336579 4552210 4564820 4573870 4670162 4694235 4793061 4902380 4915960 5003745 5007184 5031390 5096598 5227280 5337328 5364840 5462652 5477784 5488644 5750160 5777520 5882856 5899152 5946031 6258980 6338077 6373094 6390748 6671660 6708520 6795464 6828315 6847230 6860805 7005243 7283536 7318192 7353570 7373940 7510776 7840920 7884240 7988435 8005992 8050224 8404080 8494330 8673158 9104420 9129640 9147740 9340324 9388470 9559641 9586122 9804760 9831920 10007490 10062780 10193196 10729680 10925304 10955568 10977288 11675405 11765712 11892062 12517960 12676154 12741495 12746188 12781496 13009737 13343320 13417040 13590928 13656630 13694460 13721610 14010486 14707140 14747880 15021552 15681840 15932735 15976870 16011984 16988660 17346316 17838093 18208840 18259280 18295480 18680648 18776940 19014231 19119282 19172244 19609520 20014980 20125560 20386392 21682895 21850608 21954576 23350810 23784124 23965305 25035920 25352308 25482990 25492376 25562992 26019474 26686640 27313260 27388920 27443220 28020972 29414280 29495760 29730155 30356053 31690385 31865470 31953740 33977320 34692632 35026215 35676186 36417680 36590960 37361296 37553880 38028462 38238564 38344488 40029960 40251120 40772784 43365790 44366539 46701620 47568248 47798205 47930610 50704616 50965980 50984752 52038948 54626520 54777840 54886440 56041944 58828560 59460310 60712106 63380770 63730940 63907480 65048685 67954640 69385264 70052430 71352372 75107760 76056924 76477128 76688976 80059920 82395001 86731580 88733078 89190465 91068159 93403240 95071155 95136496 95596410 95861220 101409232 101931960 104077896 109253040 109772880 112083888 118920620 121424212 126761540 127461880 127814960 130097370 133099617 140104860 142704744 151780265 152113848 152954256 164790002 173463160 177466156 178380930 182136318 186806480 190142310 191192820 191722440 203863920 208155792 221832695 237841240 242848424 247185003 253523080 254923760 260194740 266199234 280209720 285409488 303560530 304227696 329580004 346926320 354932312 356761860 364272636 380284620 382385640 383444880 411975005 443665390 455340795 475682480 485696848 494370006 507046160 520389480 532398468 560419440 576765007 607121060 659160008 665498085 709864624 713523720 728545272 760569240 764771280 823950010 887330780 910681590 988740012 1040778960 1064796936 1153530014 1214242120 1235925015 1318320016 1330996170 1427047440 1457090544 1521138480 1647900020 1730295021 1774661560 1821363180 1977480024 2129593872 2307060028 2428484240 2471850030 2661992340 2883825035 3295800040 3460590042 3549323120 3642726360 3954960048 4614120056 4943700060 5323984680 5767650070 6591600080 6921180084 7285452720 8651475105 9228240112 9887400120 10647969360 11535300140 13842360168 17302950210 19774800240 23070600280 27684720336 34605900420 46141200560 69211800840 138423601680
• Sum of all divisors σ(n): 566256757248
• Sum of proper divisors (its aliquot sum) s(n): 427833155568
• 138423601680 is an abundant number, because the sum of its proper divisors (427833155568) is greater than itself. Its abundance is 289409553888

Bases of 138423601680

• Binary: 10000000111010101100001000101000010000₂
• Hexadecimal: 0x203AB08A10
• Base-36: 1RL9U6MO

Squares and roots of 138423601680

• 138423601680 squared (138423601680²) is 19161093502063298822400
• 138423601680 cubed (138423601680³) is 2652347574682846334338710661632000
• The square root of 138423601680 is 372053.2242569603
• The cube root of 138423601680 is 5172.9313512113

Scales and comparisons

• 138,423,601,680 seconds is equal to 4,401 years, 23 weeks, 28 minutes.
• To count from 1 to 138,423,601,680 would take you about eight thousand, eight hundred two 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 138423601680 cubic inches would be around 431.1 feet tall.

Recreational maths with 138423601680

• 138423601680 backwards is 086106324831
• 138423601680 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138423601680's digits is 42
• More coming soon!