138861597420

Names of 138861597420

• Cardinal: 138861597420 can be written as One hundred thirty-eight billion, eight hundred sixty-one million, five hundred ninety-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.3886159742 × 10¹¹

Factors of 138861597420

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 197

Divisors of 138861597420

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 17 18 20 21 26 28 30 34 35 36 39 42 45 51 52 53 60 63 65 68 70 78 84 85 90 91 97 102 105 106 117 119 126 130 140 153 156 159 170 180 182 194 195 204 210 212 221 234 238 252 255 260 265 273 291 306 315 318 340 357 364 371 388 390 420 442 455 468 476 477 485 510 530 546 582 585 595 612 630 636 663 679 689 714 742 765 780 795 819 873 884 901 910 954 970 1020 1060 1071 1092 1105 1113 1164 1170 1190 1260 1261 1326 1358 1365 1378 1428 1455 1484 1530 1547 1590 1638 1649 1746 1785 1802 1820 1855 1908 1940 1989 2037 2067 2142 2210 2226 2340 2380 2385 2522 2652 2703 2716 2730 2756 2910 3060 3094 3180 3276 3298 3315 3339 3395 3445 3492 3570 3604 3710 3783 3978 4074 4095 4134 4284 4365 4420 4452 4505 4641 4770 4823 4947 5044 5141 5355 5406 5460 5565 5820 6111 6188 6201 6305 6307 6596 6630 6678 6790 6890 7140 7420 7566 7735 7956 8109 8148 8190 8245 8268 8730 8827 9010 9282 9409 9540 9646 9894 9945 10185 10282 10335 10710 10812 11130 11349 11543 11713 12222 12402 12610 12614 13260 13356 13515 13580 13780 13923 14469 14841 15132 15423 15470 16218 16380 16490 16695 17460 17654 18020 18564 18818 18915 18921 19292 19788 19890 20370 20564 20670 21420 21437 22260 22698 23086 23205 23426 24115 24444 24735 24804 25220 25228 25705 26481 27030 27846 28227 28938 29682 30555 30846 30940 31005 31535 32436 32980 33390 34629 35139 35308 35987 37636 37830 37842 39780 40545 40740 41340 42874 43407 44135 45396 46172 46269 46410 46852 47045 48230 49470 51410 52962 54060 55692 56454 56745 56763 57715 57876 58565 59364 61110 61692 62010 63070 64311 65863 66780 66833 69258 69615 70278 71974 72345 74205 75660 75684 77115 79443 81090 81991 84681 85748 86814 87397 88270 92538 92820 94090 94605 96460 98940 102820 103887 105417 105924 107185 107961 112908 113490 113526 115430 117130 122220 122317 124020 126140 128622 131726 132405 133666 138516 139230 140556 141135 143948 144690 148410 150059 154230 158886 159953 162180 163982 169362 173145 173628 174794 175695 176540 179935 185076 188180 189210 192933 197589 200499 207774 210834 214370 215922 217035 226980 227052 230860 231345 234260 244634 245973 257244 262191 263452 264810 267332 278460 282270 283815 289380 296820 300118 308460 317772 319906 321555 323883 327964 329315 334165 338724 346290 349588 351390 359870 366951 378420 385866 395178 397215 400998 409955 415548 421668 423405 428740 431844 434070 436985 450177 462690 467831 479859 489268 491946 498677 519435 524382 527085 529620 539805 564540 567630 592767 600236 601497 611585 611779 639812 643110 647766 658630 668330 692580 702780 719740 733902 737919 750295 771732 786573 790356 794430 799765 801996 819910 846810 856219 868140 873970 900354 925380 935662 959718 964665 983892 987945 997354 1002495 1038870 1048764 1054170 1079610 1100853 1119671 1135260 1136161 1185534 1202994 1223170 1223558 1229865 1286220 1295532 1310955 1317260 1336660 1350531 1403493 1439577 1467804 1475838 1496031 1500590 1573146 1588860 1599530 1619415 1639820 1693620 1712438 1747940 1800708 1834755 1835337 1871324 1919436 1929330 1975890 1994708 2004990 2077740 2079389 2108340 2159220 2201706 2239342 2250885 2272322 2339155 2371068 2399295 2405988 2446340 2447116 2459730 2493385 2568657 2621910 2701062 2806986 2879154 2951676 2963835 2992062 3001180 3007485 3058895 3146292 3199060 3238830 3359013 3408483 3424876 3490739 3669510 3670674 3689595 3858660 3932865 3951780 4009980 4158778 4210479 4281095 4403412 4478684 4488093 4501770 4544644 4678310 4798590 4919460 4986770 5137314 5243820 5402124 5504265 5506011 5598355 5613972 5680805 5758308 5927670 5984124 6014970 6117790 6238167 6477660 6482801 6718026 6752655 6816966 6981478 7017465 7197885 7339020 7341348 7379190 7480155 7705971 7865730 7953127 8317556 8420958 8477509 8562190 8976186 9003540 9176685 9356620 9597180 9973540 10077039 10225449 10274628 10396945 10472217 11008530 11012022 11196710 11361610 11855340 12029940 12235580 12476334 12843285 12965602 13436052 13505310 13633932 13962956 14034930 14395770 14555723 14758380 14960310 15411942 15731460 15906254 16795065 16841916 16955018 17042415 17124380 17453695 17952372 18353370 18714501 19448403 20154078 20450898 20793890 20944434 21052395 22017060 22024044 22393420 22440465 22723220 23859381 24952668 25432527 25686570 25931204 27010620 27530055 28069860 28791540 29111446 29920620 30823884 31190835 31416651 31812508 32414005 33590130 33910036 34084830 34907390 36706740 37429002 38529855 38896806 39765635 40308156 40901796 41587780 41888868 42104790 42387545 43667169 44880930 45379607 47718762 50385195 50865054 51127245 51373140 52361085 55060110 58222892 58345209 59342563 62381670 62833302 64828010 67180260 68169660 69814780 71578143 72778615 74858004 76297581 77059710 77793612 79531270 84209580 84775090 87334338 89761860 90759214 93572505 95437524 97242015 100770390 101730108 102254490 104722170 110120220 110207617 116690418 118685126 119296905 124763340 125666604 127162635 129656020 131001507 136138821 143156286 145557230 152595162 154119420 157083255 159062540 169550180 174668676 178027689 181518428 187145010 194484030 201540780 204508980 209444340 218335845 220415234 226898035 233380836 237370252 238593810 254325270 262003014 272277642 286312572 291114460 291726045 296712815 305190324 314166510 330622851 356055378 357890715 374290020 381487905 388968060 408416463 436671690 440830468 453796070 477187620 508650540 524006028 534083067 544555284 551038085 583452090 593425630 628333020 655007535 661245702 680694105 712110756 715781430 762975810 771453319 816832926 873343380 890138445 907592140 991868553 1068166134 1102076170 1166904180 1186851260 1310015070 1322491404 1361388210 1431562860 1525951620 1542906638 1633665852 1653114255 1780276890 1983737106 2042082315 2136332268 2204152340 2314359957 2620030140 2670415335 2722776420 3085813276 3306228510 3560553780 3857266595 3967474212 4084164630 4628719914 4959342765 5340830670 6612457020 6943079871 7714533190 8168329260 9257439828 9918685530 10681661340 11571799785 13886159742 15429066380 19837371060 23143599570 27772319484 34715399355 46287199140 69430798710 138861597420
• Sum of all divisors σ(n): 565093646208
• Sum of proper divisors (its aliquot sum) s(n): 426232048788
• 138861597420 is an abundant number, because the sum of its proper divisors (426232048788) is greater than itself. Its abundance is 287370451368

Bases of 138861597420

• Binary: 10000001010100110010111101001011101100₂
• Hexadecimal: 0x2054CBD2EC
• Base-36: 1RSILYB0

Squares and roots of 138861597420

• 138861597420 squared (138861597420²) is 19282543238034150656400
• 138861597420 cubed (138861597420³) is 2677604756353641460660645546488000
• The square root of 138861597420 is 372641.3791032875
• The cube root of 138861597420 is 5178.3816172793

Scales and comparisons

• 138,861,597,420 seconds is equal to 4,415 years, 19 weeks, 1 day, 9 hours, 57 minutes.
• To count from 1 to 138,861,597,420 would take you about eight thousand, eight hundred thirty 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 138861597420 cubic inches would be around 431.5 feet tall.

Recreational maths with 138861597420

• 138861597420 backwards is 024795168831
• The number of decimal digits it has is: 12
• The sum of 138861597420's digits is 54
• More coming soon!