138818862720

Names of 138818862720

• Cardinal: 138818862720 can be written as One hundred thirty-eight billion, eight hundred eighteen million, eight hundred sixty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.3881886272 × 10¹¹

Factors of 138818862720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 110

Divisors of 138818862720

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 41 45 48 54 59 60 64 72 80 81 82 90 96 108 118 120 123 128 135 144 160 162 164 177 180 192 205 216 236 240 243 246 270 288 295 320 324 328 354 360 369 384 405 410 432 472 480 486 492 531 540 576 590 615 640 648 656 708 720 729 738 810 820 864 885 944 960 972 984 1062 1080 1107 1152 1180 1215 1230 1296 1312 1416 1440 1458 1476 1593 1620 1640 1681 1728 1770 1845 1888 1920 1944 1968 2124 2160 2187 2214 2360 2419 2430 2460 2592 2624 2655 2832 2880 2916 2952 3186 3240 3280 3321 3362 3456 3540 3645 3690 3776 3888 3936 4248 4320 4374 4428 4720 4779 4838 4860 4920 5043 5184 5248 5310 5535 5664 5760 5832 5904 6372 6480 6560 6642 6724 7080 7257 7290 7380 7552 7776 7872 7965 8405 8496 8640 8748 8856 9440 9558 9676 9720 9840 9963 10086 10368 10620 10935 11070 11328 11664 11808 12095 12744 12960 13120 13284 13448 14160 14337 14514 14580 14760 15129 15552 15744 15930 16605 16810 16992 17280 17496 17712 18880 19116 19352 19440 19680 19926 20172 21240 21771 21870 22140 22656 23328 23616 23895 24190 25215 25488 25920 26240 26568 26896 28320 28674 29028 29160 29520 29889 30258 31104 31860 33210 33620 33984 34992 35424 36285 37760 38232 38704 38880 39360 39852 40344 42480 43011 43542 43740 44280 45387 46656 47232 47790 48380 49815 50430 50976 51840 53136 53792 56640 57348 58056 58320 59040 59778 60516 63720 65313 66420 67240 67968 69984 70848 71685 72570 75645 76464 77408 77760 78720 79704 80688 84960 86022 87084 87480 88560 89667 90774 93312 95580 96760 99179 99630 100860 101952 106272 107584 108855 113280 114696 116112 116640 118080 119556 121032 127440 129033 130626 132840 134480 136161 139968 141696 143370 145140 149445 151290 152928 154816 155520 159408 161376 169920 172044 174168 174960 177120 179334 181548 191160 193520 195939 198358 199260 201720 203904 212544 215055 215168 217710 226935 229392 232224 233280 236160 239112 242064 254880 258066 261252 265680 268960 272322 279936 286740 290280 297537 298890 302580 305856 309632 318816 322752 326565 339840 344088 348336 349920 354240 358668 363096 382320 387040 391878 396716 398520 403440 408483 425088 430110 435420 448335 453870 458784 464448 466560 478224 484128 495895 509760 516132 522504 531360 537920 544644 573480 580560 587817 595074 597780 605160 611712 637632 645165 645504 653130 680805 688176 696672 699840 708480 717336 726192 764640 774080 783756 793432 797040 806880 816966 860220 870840 892611 896670 907740 917568 928896 956448 968256 979695 991790 1019520 1032264 1045008 1062720 1075840 1089288 1146960 1161120 1175634 1190148 1195560 1210320 1225449 1275264 1290330 1306260 1361610 1376352 1393344 1399680 1434672 1452384 1487685 1529280 1548160 1567512 1586864 1594080 1613760 1633932 1720440 1741680 1763451 1785222 1793340 1815480 1835136 1912896 1936512 1959390 1983580 2042415 2064528 2090016 2125440 2178576 2293920 2322240 2351268 2380296 2391120 2420640 2450898 2580660 2612520 2677833 2723220 2752704 2786688 2869344 2904768 2939085 2975370 3058560 3135024 3173728 3188160 3227520 3267864 3440880 3483360 3526902 3570444 3586680 3630960 3676347 3825792 3918780 3967160 4084830 4129056 4180032 4357152 4463055 4587840 4644480 4702536 4760592 4782240 4841280 4901796 5161320 5225040 5290353 5355666 5446440 5505408 5738688 5809536 5878170 5950740 6127245 6270048 6347456 6376320 6535728 6881760 6966720 7053804 7140888 7173360 7261920 7352694 7837560 7934320 8033499 8169660 8258112 8360064 8714304 8817255 8926110 9175680 9405072 9521184 9564480 9682560 9803592 10322640 10450080 10580706 10711332 10892880 11477376 11756340 11901480 12254490 12540096 12694912 13071456 13389165 13763520 13933440 14107608 14281776 14346720 14523840 14705388 15675120 15868640 16066998 16339320 16516224 17428608 17634510 17852220 18381735 18810144 19042368 19128960 19607184 20645280 20900160 21161412 21422664 21785760 23512680 23802960 24100497 24508980 25080192 26142912 26451765 26778330 27527040 28215216 28563552 28693440 29047680 29410776 31350240 31737280 32133996 32678640 35269020 35704440 36763470 37620288 38084736 39214368 40167495 41290560 41800320 42322824 42845328 43571520 47025360 47605920 48200994 49017960 52285824 52903530 53556660 56430432 57127104 57386880 58821552 62700480 63474560 64267992 65357280 70538040 71408880 72301491 73526940 75240576 78428736 80334990 82581120 84645648 85690656 87143040 94050720 95211840 96401988 98035920 105807060 107113320 112860864 114254208 117643104 120502485 125400960 128535984 130714560 141076080 142817760 144602982 147053880 156857472 160669980 169291296 171381312 188101440 190423680 192803976 196071840 211614120 214226640 216904473 225721728 235286208 241004970 257071968 261429120 282152160 285635520 289205964 294107760 321339960 338582592 342762624 361507455 376202880 385607952 392143680 423228240 428453280 433808946 470572416 482009940 514143936 564304320 571271040 578411928 588215520 642679920 677165184 723014910 771215904 784287360 846456480 856906560 867617892 964019880 1028287872 1084522365 1128608640 1156823856 1176431040 1285359840 1446029820 1542431808 1692912960 1713813120 1735235784 1928039760 2169044730 2313647712 2352862080 2570719680 2892059640 3084863616 3385825920 3470471568 3856079520 4338089460 4627295424 5141439360 5784119280 6940943136 7712159040 8676178920 9254590848 11568238560 13881886272 15424318080 17352357840 23136477120 27763772544 34704715680 46272954240 69409431360 138818862720
• Sum of all divisors σ(n): 518802192000
• Sum of proper divisors (its aliquot sum) s(n): 379983329280
• 138818862720 is an abundant number, because the sum of its proper divisors (379983329280) is greater than itself. Its abundance is 241164466560

Bases of 138818862720

• Binary: 10000001010010001111111011111010000000₂
• Hexadecimal: 0x20523FBE80
• Base-36: 1RRT6000

Squares and roots of 138818862720

• 138818862720 squared (138818862720²) is 19270676646874205798400
• 138818862720 cubed (138818862720³) is 2675133415963940291837117595648000
• The square root of 138818862720 is 372584.0344405541
• The cube root of 138818862720 is 5177.8503465889

Scales and comparisons

• 138,818,862,720 seconds is equal to 4,414 years, 3 days, 19 hours, 12 minutes.
• To count from 1 to 138,818,862,720 would take you about eight thousand, eight hundred twenty-eight 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 138818862720 cubic inches would be around 431.5 feet tall.

Recreational maths with 138818862720

• 138818862720 backwards is 027268818831
• 138818862720 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138818862720's digits is 54
• More coming soon!