138730905040

Names of 138730905040

• Cardinal: 138730905040 can be written as One hundred thirty-eight billion, seven hundred thirty million, nine hundred five thousand and forty.

Scientific notation

• Scientific notation: 1.3873090504 × 10¹¹

Factors of 138730905040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 544

Divisors of 138730905040

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 23 26 28 35 37 40 46 49 52 56 65 70 74 80 91 92 98 104 112 115 130 140 148 161 182 184 185 196 208 230 245 259 260 280 296 299 322 343 364 368 370 392 455 457 460 481 490 518 520 560 592 598 637 644 686 728 740 784 805 851 910 914 920 962 980 1036 1040 1127 1196 1274 1288 1295 1372 1456 1480 1495 1610 1702 1715 1813 1820 1828 1840 1924 1960 2072 2093 2254 2285 2392 2405 2548 2576 2590 2744 2960 2990 3185 3199 3220 3367 3404 3430 3626 3640 3656 3848 3920 4144 4186 4255 4459 4508 4570 4784 4810 5096 5180 5488 5635 5941 5957 5980 6370 6398 6440 6734 6808 6860 7252 7280 7312 7696 7889 8372 8510 8918 9016 9065 9140 9620 10192 10360 10465 10511 11063 11270 11882 11914 11960 12691 12740 12796 12880 13468 13616 13720 14504 14651 15778 15995 16744 16835 16909 17020 17836 18032 18130 18280 19240 20720 20930 21022 22126 22295 22393 22540 23569 23764 23828 23920 25382 25480 25592 26936 27440 29008 29302 29705 29785 31556 31990 33488 33670 33818 34040 35672 36260 36560 38480 39445 41587 41699 41860 42044 44252 44590 44786 45080 47138 47528 47656 50764 50960 51184 52555 53872 55315 58604 59410 59570 63112 63455 63980 67340 67636 68080 71344 72520 73255 73577 77441 78890 83174 83398 83720 84088 84545 88504 89180 89572 90160 94276 95056 95312 101528 102557 105110 110630 111965 117208 117845 118363 118820 119140 126224 126910 127960 134680 135272 136643 145040 146510 147154 154882 156751 157780 164983 166348 166796 167440 168176 169090 177008 178360 179144 188552 203056 205114 207935 208495 210220 219817 221260 223930 234416 235690 236726 237640 238280 253820 255920 269360 270544 273286 291109 291893 293020 294308 309764 313502 315560 329966 332696 333592 338180 356720 358288 367885 377104 387205 388907 410228 415870 416990 420440 439634 442520 447860 471380 473452 475280 476560 507640 512785 515039 542087 546572 582218 583786 586040 588616 591815 619528 627004 631120 659932 665392 667184 676360 683215 735770 774410 777814 783755 820456 824915 828541 831740 833980 840880 879268 885040 895720 942760 946904 956501 1015280 1025570 1030078 1084174 1093144 1099085 1164436 1167572 1172080 1177232 1183630 1239056 1254008 1319864 1352720 1366430 1455545 1459465 1471540 1538719 1548820 1555628 1567510 1640912 1649830 1657082 1663480 1667960 1758536 1791440 1885520 1893808 1913002 1944535 2037763 2051140 2060156 2168348 2186288 2198170 2328872 2335144 2367260 2508016 2575195 2639728 2710435 2722349 2732860 2911090 2918930 2943080 3077438 3097640 3111256 3135020 3299660 3314164 3326960 3335920 3517072 3605273 3794609 3826004 3889070 4075526 4102280 4120312 4142705 4336696 4396340 4657744 4670288 4734520 4782505 5055791 5150390 5420870 5444698 5465720 5799787 5822180 5837860 5886160 6154876 6195280 6222512 6270040 6599320 6628328 6695507 7210546 7589218 7652008 7693595 7778140 8151052 8204560 8240624 8285410 8673392 8792680 9469040 9565010 10111582 10188815 10300780 10771033 10841740 10889396 10931440 11599574 11644360 11675720 12309752 12540080 13198640 13256656 13391014 13611745 14421092 15178436 15304016 15387190 15556280 16302104 16570820 17585360 18026365 18973045 19056443 19130020 20223164 20377630 20601560 21542066 21683480 21778792 23199148 23288720 23351440 24619504 25278955 26782028 27223490 28842184 28998935 30356872 30774380 31112560 32604208 33141640 33477535 35390537 36052730 37946090 38112886 38260040 40446328 40755260 41203120 43084132 43366960 43557584 46398296 46868549 50557910 53564056 53855165 54446980 57684368 57997870 60713744 61548760 66283280 66955070 70781074 72105460 75397231 75892180 76225772 76520080 80892656 81510520 86168264 92796592 93737098 95282215 101115820 107128112 107710330 108893960 115995740 123097520 133395101 133910140 141562148 144210920 150794462 151784360 152451544 163021040 172336528 176952685 187474196 190564430 202231640 215420660 217787920 231991480 234342745 247733759 266790202 267820280 283124296 288421840 301588924 303568720 304903088 353905370 374948392 376986155 381128860 404463280 430841320 463982960 468685490 495467518 533580404 535640560 566248592 603177848 666975505 707810740 749896784 753972310 762257720 861682640 937370980 990935036 1067160808 1206355696 1238668795 1333951010 1415621480 1507944620 1524515440 1734136313 1874741960 1981870072 2134321616 2477337590 2667902020 2831242960 3015889240 3468272626 3749483920 3963740144 4954675180 5335804040 6031778480 6936545252 8670681565 9909350360 10671608080 13873090504 17341363130 19818700720 27746181008 34682726260 69365452520 138730905040
• Sum of all divisors σ(n): 435072153600
• Sum of proper divisors (its aliquot sum) s(n): 296341248560
• 138730905040 is an abundant number, because the sum of its proper divisors (296341248560) is greater than itself. Its abundance is 157610343520

Bases of 138730905040

• Binary: 10000001001101000000011001110111010000₂
• Hexadecimal: 0x204D019DD0
• Base-36: 1RQCSRF4

Squares and roots of 138730905040

• 138730905040 squared (138730905040²) is 19246264013217497401600
• 138730905040 cubed (138730905040³) is 2670051625192445936887816344064000
• The square root of 138730905040 is 372465.9783658099
• The cube root of 138730905040 is 5176.7565280731

Scales and comparisons

• 138,730,905,040 seconds is equal to 4,411 years, 11 weeks, 18 hours, 30 minutes, 40 seconds.
• To count from 1 to 138,730,905,040 would take you about eight thousand, eight hundred twenty-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 138730905040 cubic inches would be around 431.4 feet tall.

Recreational maths with 138730905040

• 138730905040 backwards is 040509037831
• 138730905040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138730905040's digits is 40
• More coming soon!