138745897290

Names of 138745897290

• Cardinal: 138745897290 can be written as One hundred thirty-eight billion, seven hundred forty-five million, eight hundred ninety-seven thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.3874589729 × 10¹¹

Factors of 138745897290

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 131

Divisors of 138745897290

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 17 18 21 22 26 30 33 34 35 39 42 45 51 55 63 65 66 70 73 77 78 85 90 91 99 102 105 110 117 119 126 130 143 146 153 154 165 170 182 187 195 198 210 219 221 231 234 238 255 273 286 289 306 315 330 357 365 374 385 390 429 438 442 455 462 495 510 511 546 561 578 585 595 630 657 663 693 714 715 730 765 770 803 819 858 867 910 935 949 990 1001 1022 1071 1095 1105 1122 1155 1170 1190 1241 1287 1309 1314 1326 1365 1386 1430 1445 1530 1533 1547 1606 1638 1683 1734 1785 1870 1898 1989 2002 2023 2142 2145 2190 2210 2310 2409 2431 2482 2555 2574 2601 2618 2730 2805 2847 2890 3003 3066 3094 3179 3285 3315 3366 3465 3570 3723 3757 3927 3978 4015 4046 4095 4290 4335 4599 4641 4745 4818 4862 5005 5110 5202 5329 5355 5610 5621 5694 6006 6069 6205 6358 6435 6545 6570 6630 6643 6930 7227 7293 7446 7514 7665 7735 7854 8030 8190 8415 8541 8670 8687 9009 9198 9282 9490 9537 9945 10010 10115 10439 10658 10710 11169 11242 11271 11781 12045 12138 12155 12410 12870 13005 13090 13286 13651 13923 14235 14454 14586 15015 15330 15470 15895 15987 16133 16830 16863 17017 17082 17374 18018 18207 18615 18785 19074 19635 19890 19929 20230 20878 21097 21879 22253 22338 22542 22995 23205 23562 24090 24310 26010 26061 26299 26645 27302 27846 28105 28470 28611 30030 30345 31317 31790 31974 32266 33215 33726 33813 34034 36135 36414 36465 37230 37303 37570 39270 39858 40953 41327 42194 42705 43435 43758 44506 45045 45990 46410 47685 47961 48399 50589 51051 52122 52195 52598 53290 55845 56210 56355 57222 58619 58905 59787 60690 62634 63291 66430 66759 67626 68255 69277 69615 72270 72930 73073 74606 78183 78897 79935 80665 81906 82654 84315 85085 85410 86870 90090 90593 91035 93951 95370 95557 95922 96798 99645 101178 102102 104390 105485 109395 111265 111690 111909 112710 112931 117238 117810 119574 122859 123981 126582 130305 131495 133518 136510 138554 139230 143055 145197 146146 147679 153153 156366 156585 157794 159870 161330 168630 169065 170170 175857 177463 181186 182070 186515 187902 189873 191114 199290 200277 204765 206635 207831 210970 218790 219219 222530 223818 225862 232067 236691 239805 241995 245718 247962 252945 255255 260610 262990 271779 274261 286110 286671 289289 290394 293095 295358 298935 306306 313170 316455 333795 335727 338130 338793 346385 351714 354926 365365 371943 373030 379746 390915 394485 400554 409530 410333 413270 415662 438438 443037 452965 464134 469755 473382 477785 479610 483990 484939 505890 510510 527571 532389 543558 548522 559545 564655 573342 578578 586190 597870 614295 619905 623493 632910 634151 657657 667590 671454 677586 692770 696201 725985 730730 738395 743886 762047 765765 781830 788970 815337 820666 822783 860013 867867 879285 886074 887315 905930 939510 949365 955570 969878 996523 1001385 1016379 1039155 1055142 1064778 1096095 1119090 1129310 1160335 1177709 1183455 1228590 1230999 1239810 1242241 1246986 1268302 1315314 1329111 1358895 1371305 1392402 1433355 1446445 1451970 1454817 1476790 1524094 1531530 1540081 1597167 1624469 1630674 1645566 1678635 1693965 1720026 1735734 1758570 1774630 1859715 1898730 1902453 1919827 1993046 2002770 2032758 2051665 2078310 2088603 2192190 2215185 2286141 2320670 2355418 2366910 2424695 2461998 2468349 2484482 2603601 2637855 2658222 2661945 2717790 2742610 2866710 2892890 2909634 2989569 3016871 3080162 3117465 3170755 3194334 3248938 3288285 3357270 3387930 3481005 3533127 3692997 3719430 3726723 3804906 3810235 3839654 4076685 4103330 4113915 4177206 4300065 4339335 4364451 4430370 4572282 4620243 4849390 4873407 4936698 4982615 5081895 5207202 5275710 5323890 5334329 5707359 5759481 5888545 5979138 6033742 6154995 6211205 6234930 6341510 6576570 6645555 6858423 6962010 6975661 7066254 7274085 7385994 7453446 7620470 7700405 7985835 8122345 8153370 8227830 8243963 8600130 8678670 8728902 8968707 9050613 9240486 9512265 9599135 9746814 9965230 10163790 10443015 10599381 10668658 10780567 11180169 11414718 11430705 11518962 11777090 12309990 12341745 12422410 12954799 13018005 13291110 13716846 13860729 13951322 14548170 14620221 14947845 15084355 15400810 15971670 16002987 16244690 16487926 16940891 17278443 17665635 17937414 18101226 18464985 18633615 19024530 19198270 20021053 20886030 20926983 21118097 21198762 21561134 21822255 22360338 22861410 23101215 24367035 24683490 24731889 25909598 26036010 26671645 27151839 27721458 28536795 28797405 29240442 29895690 30168710 32005974 32341701 33881782 34292115 34556886 34878305 35331270 36929970 37267230 38864397 40042106 41219815 41853966 42236194 43644510 44843535 45253065 46202430 48008961 48734070 49463778 50822673 52996905 53343290 53902835 54303678 55900845 57073590 57594810 60063159 62780949 63354291 64683402 64773995 68584230 69303645 69756610 73101105 74195667 77728794 80014935 82439630 84704455 86392215 89687070 90506130 90683593 96017922 97025103 100105265 101645346 104634915 105590485 105993810 107805670 111801690 116593191 118586237 120126318 123659445 125561898 126708582 129547990 135759195 138607290 140147371 146202210 148391334 152468019 160029870 161708505 169408910 172784430 180189477 181367186 190062873 194050206 194321985 200210530 209269830 211180970 220231583 233186382 237172474 240044805 247318890 254113365 271518390 272050779 280294742 300315795 304936038 313904745 316771455 323417010 355758711 360378954 370978335 380125746 388643970 420442113 440463166 453417965 480089610 485125515 508226730 544101558 582965955 592931185 600631590 627809490 633542910 660694749 700736855 711517422 741956670 762340095 816152337 840884226 900947385 906835930 950314365 970251030 1067276133 1101157915 1165931910 1185862370 1261326339 1321389498 1360253895 1401473710 1524680190 1541621081 1632304674 1778793555 1801894770 1900628730 1982084247 2102210565 2134552266 2202315830 2522652678 2720507790 3083242162 3303473745 3557587110 3964168494 4080761685 4204421130 4624863243 5336380665 6306631695 6606947490 7708105405 8161523370 9249726486 9910421235 10672761330 12613263390 13874589729 15416210810 19820842470 23124316215 27749179458 46248632430 69372948645 138745897290
• Sum of all divisors σ(n): 521661119616
• Sum of proper divisors (its aliquot sum) s(n): 382915222326
• 138745897290 is an abundant number, because the sum of its proper divisors (382915222326) is greater than itself. Its abundance is 244169325036

Bases of 138745897290

• Binary: 10000001001101111001100110000101001010₂
• Hexadecimal: 0x204DE6614A
• Base-36: 1RQLQ3II

Squares and roots of 138745897290

• 138745897290 squared (138745897290²) is 19250424014807229344100
• 138745897290 cubed (138745897290³) is 2670917353147393281725972667489000
• The square root of 138745897290 is 372486.1034857543
• The cube root of 138745897290 is 5176.9430004203

Scales and comparisons

• 138,745,897,290 seconds is equal to 4,411 years, 35 weeks, 6 days, 7 hours, 1 minute, 30 seconds.
• To count from 1 to 138,745,897,290 would take you about eight thousand, eight hundred twenty-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 138745897290 cubic inches would be around 431.4 feet tall.

Recreational maths with 138745897290

• 138745897290 backwards is 092798547831
• 138745897290 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138745897290's digits is 63
• More coming soon!