138901443840

Names of 138901443840

• Cardinal: 138901443840 can be written as One hundred thirty-eight billion, nine hundred one million, four hundred forty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3890144384 × 10¹¹

Factors of 138901443840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 98

Divisors of 138901443840

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 32 36 40 45 48 54 58 59 60 64 72 80 81 87 90 96 108 116 118 120 128 135 144 145 160 162 174 177 180 192 216 232 236 240 243 256 261 270 288 290 295 320 324 348 354 360 384 405 432 435 464 472 480 486 522 531 540 576 580 590 640 648 696 708 720 729 768 783 810 841 864 870 885 928 944 960 972 1044 1062 1080 1152 1160 1180 1215 1280 1296 1305 1392 1416 1440 1458 1566 1593 1620 1682 1711 1728 1740 1770 1856 1888 1920 1944 2088 2124 2160 2187 2304 2320 2349 2360 2430 2523 2592 2610 2655 2784 2832 2880 2916 3132 3186 3240 3364 3422 3456 3480 3540 3645 3712 3776 3840 3888 3915 4176 4205 4248 4320 4374 4640 4698 4720 4779 4860 5046 5133 5184 5220 5310 5568 5664 5760 5832 6264 6372 6480 6728 6844 6912 6960 7047 7080 7290 7424 7552 7569 7776 7830 7965 8352 8410 8496 8555 8640 8748 9280 9396 9440 9558 9720 10092 10266 10368 10440 10620 10935 11136 11328 11520 11664 11745 12528 12615 12744 12960 13456 13688 13920 14094 14160 14337 14580 15104 15138 15399 15552 15660 15930 16704 16820 16992 17110 17280 17496 18560 18792 18880 19116 19440 20184 20532 20736 20880 21141 21240 21870 22272 22656 22707 23328 23490 23895 25056 25230 25488 25665 25920 26912 27376 27840 28188 28320 28674 29160 30276 30798 31104 31320 31860 33408 33640 33984 34220 34560 34992 35235 37120 37584 37760 37845 38232 38880 40368 41064 41760 42282 42480 43011 43740 45312 45414 46197 46656 46980 47790 49619 50112 50460 50976 51330 51840 53824 54752 55680 56376 56640 57348 58320 60552 61596 62208 62640 63423 63720 66816 67280 67968 68121 68440 69984 70470 71685 75168 75520 75690 76464 76995 77760 80736 82128 83520 84564 84960 86022 87480 90828 92394 93312 93960 95580 99238 100224 100920 101952 102660 103680 105705 107648 109504 111360 112752 113280 113535 114696 116640 121104 123192 125280 126846 127440 129033 134560 135936 136242 136880 138591 139968 140940 143370 148857 150336 151380 152928 153990 155520 161472 164256 167040 169128 169920 172044 174960 181656 184788 186624 187920 191160 198476 200448 201840 203904 204363 205320 211410 215055 215296 219008 225504 226560 227070 229392 230985 233280 242208 246384 248095 250560 253692 254880 258066 269120 272484 273760 277182 279936 281880 286740 297714 300672 302760 305856 307980 311040 317115 322944 328512 334080 338256 339840 340605 344088 349920 363312 369576 375840 382320 396952 403680 407808 408726 410640 415773 422820 430110 438016 446571 451008 454140 458784 461970 466560 484416 492768 496190 501120 507384 509760 516132 538240 544968 547520 554364 559872 563760 573480 595428 601344 605520 611712 613089 615960 634230 645165 645888 657024 676512 679680 681210 688176 692955 699840 726624 739152 744285 751680 764640 793904 807360 817452 821280 831546 845640 860220 893142 902016 908280 917568 923940 933120 968832 985536 992380 1002240 1014768 1019520 1021815 1032264 1076480 1089936 1095040 1108728 1127520 1146960 1190856 1211040 1223424 1226178 1231920 1247319 1268460 1290330 1314048 1339713 1353024 1362420 1376352 1385910 1399680 1453248 1478304 1488570 1503360 1529280 1587808 1614720 1634904 1642560 1663092 1691280 1720440 1786284 1804032 1816560 1835136 1839267 1847880 1937664 1971072 1984760 2029536 2039040 2043630 2064528 2078865 2179872 2190080 2217456 2232855 2255040 2293920 2381712 2422080 2452356 2463840 2494638 2536920 2580660 2679426 2706048 2724840 2752704 2771820 2799360 2906496 2956608 2977140 3006720 3058560 3065445 3175616 3229440 3269808 3285120 3326184 3382560 3440880 3572568 3633120 3670272 3678534 3695760 3741957 3942144 3969520 4019139 4059072 4087260 4129056 4157730 4359744 4434912 4465710 4510080 4587840 4763424 4844160 4904712 4927680 4989276 5073840 5161320 5358852 5412096 5449680 5505408 5543640 5812992 5913216 5954280 6117120 6130890 6236595 6351232 6539616 6570240 6652368 6698565 6765120 6881760 7145136 7266240 7357068 7391520 7483914 7939040 8038278 8118144 8174520 8258112 8315460 8719488 8869824 8931420 9020160 9175680 9196335 9526848 9688320 9809424 9855360 9978552 10147680 10322640 10717704 10899360 11010816 11087280 11826432 11908560 12057417 12261780 12473190 12702464 13079232 13304736 13397130 13530240 13763520 14290272 14532480 14714136 14783040 14967828 15878080 16076556 16236288 16349040 16516224 16630920 17438976 17739648 17862840 18351360 18392670 18709785 19053696 19618848 19710720 19957104 20095695 20295360 20645280 21435408 21798720 22174560 23817120 24114834 24523560 24946380 26158464 26609472 26794260 27060480 27527040 28580544 29064960 29428272 29566080 29935656 31756160 32153112 32698080 33032448 33261840 35479296 35725680 36172251 36785340 37419570 38107392 39237696 39914208 40191390 40590720 41290560 42870816 43597440 44349120 47634240 48229668 49047120 49892760 52316928 53218944 53588520 55054080 57161088 58856544 59132160 59871312 60287085 63512320 64306224 65396160 66523680 71451360 72344502 73570680 74839140 78475392 79828416 80382780 81181440 82581120 85741632 87194880 88698240 95268480 96459336 98094240 99785520 106437888 107177040 108516753 114322176 117713088 119742624 120574170 128612448 130792320 133047360 142902720 144689004 147141360 149678280 156950784 159656832 160765560 165162240 171483264 177396480 180861255 190536960 192918672 196188480 199571040 214354080 217033506 235426176 239485248 241148340 257224896 261584640 266094720 285805440 289378008 294282720 299356560 319313664 321531120 342966528 361722510 385837344 392376960 399142080 428708160 434067012 470852352 478970496 482296680 514449792 532189440 542583765 571610880 578756016 588565440 598713120 643062240 723445020 771674688 784753920 798284160 857416320 868134024 957940992 964593360 1028899584 1085167530 1157512032 1177130880 1197426240 1286124480 1446890040 1543349376 1596568320 1714832640 1736268048 1929186720 2170335060 2315024064 2354261760 2394852480 2572248960 2893780080 3086698752 3472536096 3858373440 4340670120 4630048128 4789704960 5144497920 5787560160 6945072192 7716746880 8681340240 9260096256 11575120320 13890144384 15433493760 17362680480 23150240640 27780288768 34725360960 46300481280 69450721920 138901443840
• Sum of all divisors σ(n): 525551644800
• Sum of proper divisors (its aliquot sum) s(n): 386650200960
• 138901443840 is an abundant number, because the sum of its proper divisors (386650200960) is greater than itself. Its abundance is 247748757120

Bases of 138901443840

• Binary: 10000001010111001010111101010100000000₂
• Hexadecimal: 0x20572BD500
• Base-36: 1RT6C000

Squares and roots of 138901443840

• 138901443840 squared (138901443840²) is 19293611100836673945600
• 138901443840 cubed (138901443840³) is 2679910438793665843067149615104000
• The square root of 138901443840 is 372694.8401038039
• The cube root of 138901443840 is 5178.8768831635

Scales and comparisons

• 138,901,443,840 seconds is equal to 4,416 years, 33 weeks, 14 hours, 24 minutes.
• To count from 1 to 138,901,443,840 would take you about eight thousand, eight hundred thirty-three 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 138901443840 cubic inches would be around 431.6 feet tall.

Recreational maths with 138901443840

• 138901443840 backwards is 048344109831
• 138901443840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138901443840's digits is 45
• More coming soon!