138638614334720

Names of 138638614334720

• Cardinal: 138638614334720 can be written as One hundred thirty-eight trillion, six hundred thirty-eight billion, six hundred fourteen million, three hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.3863861433472 × 10¹⁴

Factors of 138638614334720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 420

Divisors of 138638614334720

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 4 5 8 10 16 20 23 32 40 41 46 64 80 82 92 115 128 160 164 184 205 230 256 320 328 349 368 410 460 529 640 656 698 736 820 920 943 1058 1280 1312 1396 1472 1640 1681 1745 1840 1886 2116 2624 2645 2792 2944 3280 3362 3490 3680 3772 4232 4715 5248 5290 5584 5888 6560 6724 6980 7360 7544 8027 8405 8464 9430 10496 10580 11168 13120 13448 13960 14309 14720 15088 16054 16810 16928 18860 21160 21689 22336 26240 26896 27920 28618 29440 30176 32108 33620 33856 37720 38663 40135 42320 43378 44672 52480 53792 55840 57236 60352 64216 67240 67712 71545 75440 77326 80270 84640 86756 89344 107584 108445 111680 114472 120704 121801 128432 134480 135424 143090 150880 154652 160540 169280 173512 184621 193315 215168 216890 223360 228944 241408 243602 256864 268960 286180 301760 309304 321080 329107 338560 347024 369242 386630 430336 433780 446720 457888 487204 513728 537920 572360 586669 603520 609005 618608 642160 658214 677120 694048 738484 773260 867560 889249 915776 923105 974408 1027456 1075840 1144720 1173338 1207040 1218010 1237216 1284320 1316428 1388096 1476968 1546520 1645535 1735120 1778498 1831552 1846210 1948816 2054912 2151680 2289440 2346676 2436020 2474432 2568640 2632856 2776192 2801423 2933345 2953936 3093040 3291070 3470240 3556996 3663104 3692420 3897632 4446245 4578880 4693352 4872040 4948864 4993841 5137280 5265712 5552384 5602846 5866690 5907872 6186080 6582140 6940480 7113992 7384840 7569461 7795264 8892490 9157760 9386704 9744080 9897728 9987682 10274560 10531424 11205692 11733380 11815744 12372160 13164280 13493387 13880960 14007115 14227984 14769680 15138922 15590528 17784980 18315520 18773408 19488160 19975364 21062848 22411384 23466760 23631488 24744320 24969205 26328560 26986774 27761920 28014230 28455968 29539360 30277844 31181056 35569960 37546816 37847305 38976320 39950728 42125696 44822768 46933520 47262976 49488640 49938410 52657120 53973548 56028460 56911936 59078720 60555688 64432729 67466935 71139920 75093632 75694610 77952640 79901456 84251392 89645536 93867040 99876820 105314240 107947096 112056920 113823872 114858343 118157440 121111376 128865458 134933870 142279840 150187264 151389220 155905280 159802912 179291072 187734080 199753640 204747481 210628480 215894192 224113840 227647744 229716686 236314880 242222752 257730916 269867740 284559680 302778440 310347901 319605824 322163645 358582144 375468160 399507280 409494962 421256960 431788384 448227680 459433372 484445504 515461832 539735480 569119360 574291715 605556880 620695802 639211648 644327290 717164288 750936320 799014560 818989924 863576768 896455360 918866744 968891008 1023737405 1030923664 1079470960 1138238720 1148583430 1211113760 1241391604 1278423296 1288654580 1551739505 1598029120 1637979848 1727153536 1792910720 1837733488 1937782016 2047474810 2061847328 2158941920 2297166860 2422227520 2482783208 2577309160 2641741889 3103479010 3196058240 3275959696 3454307072 3585821440 3675466976 4094949620 4123694656 4317883840 4594333720 4709192063 4844455040 4965566416 5154618320 5283483778 6206958020 6392116480 6551919392 7350933952 8189899240 8247389312 8635767680 9188667440 9418384126 9688910080 9931132832 10309236640 10566967556 12413916040 13103838784 13208709445 14701867904 16379798480 16494778624 17271535360 18377334880 18836768252 19862265664 20618473280 21133935112 23545960315 24827832080 26207677568 26417418890 29403735808 32759596960 36754669760 37673536504 39724531328 41236946560 42267870224 47091920630 49655664160 52415355136 52834837780 65519193920 73509339520 75347073008 79449062656 82473893120 84535740448 94183841260 99311328320 105669675560 108311417449 131038387840 147018679040 150694146016 169071480896 188367682520 198622656640 211339351120 216622834898 262076775680 301388292032 338142961792 376735365040 397245313280 422678702240 433245669796 541557087245 602776584064 676285923584 753470730080 845357404480 866491339592 1083114174490 1205553168128 1506941460160 1690714808960 1732982679184 2166228348980 3013882920320 3381429617920 3465965358368 4332456697960 6027765840640 6931930716736 8664913395920 13863861433472 17329826791840 27727722866944 34659653583680 69319307167360 138638614334720
• Sum of all divisors σ(n): 356844975389154
• Sum of proper divisors (its aliquot sum) s(n): 218206361054434
• 138638614334720 is an abundant number, because the sum of its proper divisors (218206361054434) is greater than itself. Its abundance is 79567746719714

Bases of 138638614334720

• Binary: 11111100001011101010001010111000000110100000000₂
• Hexadecimal: 0x7E17515C0D00
• Base-36: 1D55P7FJSW

Squares and roots of 138638614334720

• 138638614334720 squared (138638614334720²) is 19220665384651229868197478400
• 138638614334720 cubed (138638614334720³) is 2664726415519364499872760745153997570048000
• The square root of 138638614334720 is 11774489.9819363727
• The cube root of 138638614334720 is 51756.0832802657

Scales and comparisons

• 138,638,614,334,720 seconds is equal to 4,408,279 years, 5 weeks, 20 hours, 5 minutes, 20 seconds.
• To count from 1 to 138,638,614,334,720 would take you about eleven million, twenty thousand, six hundred ninety-seven 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 138638614334720 cubic inches would be around 4313 feet tall.

Recreational maths with 138638614334720

• 138638614334720 backwards is 027433416836831
• The number of decimal digits it has is: 15
• The sum of 138638614334720's digits is 59
• More coming soon!