138441515940

Names of 138441515940

• Cardinal: 138441515940 can be written as One hundred thirty-eight billion, four hundred forty-one million, five hundred fifteen thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.3844151594 × 10¹¹

Factors of 138441515940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 672

Divisors of 138441515940

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 41 42 45 49 52 60 63 65 70 78 82 84 90 91 98 105 117 123 126 130 140 147 156 164 180 182 195 196 205 210 234 245 246 252 260 273 287 294 315 343 364 369 390 410 420 441 455 468 490 492 533 546 574 585 588 601 615 630 637 686 735 738 780 819 820 861 882 910 980 1029 1066 1092 1148 1170 1202 1230 1260 1274 1365 1372 1435 1470 1476 1599 1638 1715 1722 1764 1803 1820 1845 1911 2009 2058 2132 2205 2340 2401 2404 2460 2548 2583 2665 2730 2870 2940 3005 3087 3185 3198 3276 3430 3444 3606 3690 3731 3822 4018 4095 4116 4207 4305 4410 4459 4797 4802 5145 5166 5330 5409 5460 5733 5740 6010 6027 6174 6370 6396 6860 7203 7212 7380 7462 7644 7813 7995 8036 8190 8414 8610 8820 8918 9015 9555 9594 9604 10045 10290 10332 10660 10818 11193 11466 12005 12020 12054 12348 12621 12740 12915 13377 14063 14406 14924 15435 15626 15990 16380 16828 17220 17836 18030 18081 18655 19110 19188 20090 20580 21035 21609 21636 22295 22386 22932 23439 23985 24010 24108 24641 25242 25830 26117 26754 27045 28126 28665 28812 29449 30135 30870 31213 31252 31980 33579 36015 36060 36162 37310 37863 38220 39065 40131 40180 42070 42189 43218 44590 44772 46878 47970 48020 49282 50484 51660 52234 53508 54090 54691 55965 56252 57330 58898 60270 61740 62426 63105 66885 67158 70315 70317 72030 72324 73923 74620 75726 78130 78351 80262 84140 84378 86436 88347 89180 90405 93639 93756 95940 98441 98564 104468 108045 108180 109382 111930 114660 117195 117796 120540 123205 124852 126210 126567 130585 133770 134316 140630 140634 144060 147245 147846 151452 156065 156260 156702 160524 164073 167895 168756 172487 176694 180810 182819 187278 189315 196882 200655 206143 210945 216090 218764 221769 223860 234390 235053 246410 252420 253134 261170 265041 267540 273455 280917 281260 281268 294490 295323 295692 312130 313404 320333 328146 335790 344974 351585 353388 361620 365638 369615 374556 378630 382837 391755 393764 401310 412286 421890 432180 441735 443538 468195 468780 470106 492205 492219 492820 506268 517461 522340 530082 546910 548457 561834 588980 590646 618429 624260 632835 640666 656292 671580 689948 703170 731276 739230 757260 765674 783510 802620 820365 824572 843780 862435 883470 885969 887076 914095 936390 940212 960999 984410 984438 1030715 1034922 1060164 1093820 1096914 1108845 1123668 1148511 1175265 1181292 1207409 1236858 1265670 1279733 1281332 1325205 1404585 1406340 1443001 1476615 1478460 1531348 1552383 1567020 1601665 1640730 1645371 1724870 1766940 1771938 1828190 1855287 1872780 1914185 1921998 1968820 1968876 2061430 2069844 2193828 2217690 2242331 2297022 2350530 2414818 2461095 2473716 2531340 2559466 2587305 2650410 2679859 2742285 2809170 2882997 2886002 2953230 3092145 3104766 3203330 3281460 3290742 3445533 3449740 3543876 3622227 3656380 3710574 3828370 3839199 3843996 4122860 4329003 4429845 4435380 4484662 4594044 4701060 4804995 4829636 4922190 5118932 5174610 5300820 5359718 5484570 5618340 5742555 5765994 5772004 5906460 6037045 6184290 6209532 6398665 6406660 6581484 6726993 6891066 7215005 7244454 7421148 7656740 7678398 7761915 8039577 8226855 8451863 8658006 8859690 8969324 9276435 9609990 9844380 10349220 10719436 10866681 10969140 11211655 11485110 11517597 11531988 12074090 12368580 12797330 12987009 13399295 13453986 13782132 14414985 14430010 14488908 15356796 15523830 15696317 16079154 16453710 16903726 17227665 17316012 17719380 18111135 18552870 18759013 19195995 19219980 20180979 21645015 21733362 22423310 22970220 23035194 24118731 24148180 25355589 25594660 25974018 26798590 26907972 28829970 28860020 31047660 31392634 32158308 32907420 33634965 33807452 34455330 36222270 37105740 37518026 38391990 40197885 40361958 42259315 43290030 43466724 44846620 46070388 47088951 48237462 50711178 51948036 53597180 54333405 56277039 57587985 57659940 59163041 62785268 64935045 67269930 68910660 72444540 75036052 76066767 76783980 78481585 80395770 80723916 84518630 86580060 93795065 94177902 96474924 100904895 101422356 108666810 109874219 112554078 115175970 118326082 120593655 126777945 129870090 134539860 141266853 152133534 156963170 160791540 168831117 169037260 177489123 187590130 188355804 201809790 217333620 219748438 225108156 230351940 235444755 236652164 241187310 253555890 259740180 281385195 282533706 295815205 304267068 313926340 329622657 337662234 354978246 375180260 380333835 403619580 439496876 470889510 482374620 507111780 532467369 549371095 562770390 565067412 591630410 659245314 675324468 706334265 709956492 760667670 769119533 844155585 887445615 941779020 988867971 1064934738 1098742190 1125540780 1183260820 1318490628 1412668530 1521335340 1538239066 1648113285 1688311170 1774891230 1977735942 2129869476 2197484380 2307358599 2662336845 2825337060 3076478132 3296226570 3376622340 3549782460 3845597665 3955471884 4614717198 4944339855 5324673690 6592453140 6922075797 7691195330 9229434396 9888679710 10649347380 11536792995 13844151594 15382390660 19777359420 23073585990 27688303188 34610378985 46147171980 69220757970 138441515940
• Sum of all divisors σ(n): 541351779696
• Sum of proper divisors (its aliquot sum) s(n): 402910263756
• 138441515940 is an abundant number, because the sum of its proper divisors (402910263756) is greater than itself. Its abundance is 264468747816

Bases of 138441515940

• Binary: 10000000111011110000011110001110100100₂
• Hexadecimal: 0x203BC1E3A4
• Base-36: 1RLKI5D0

Squares and roots of 138441515940

• 138441515940 squared (138441515940²) is 19166053335765274083600
• 138441515940 cubed (138441515940³) is 2653377478390238364143178292584000
• The square root of 138441515940 is 372077.2983400089
• The cube root of 138441515940 is 5173.1544953349

Scales and comparisons

• 138,441,515,940 seconds is equal to 4,402 years, 4 days, 8 hours, 39 minutes.
• To count from 1 to 138,441,515,940 would take you about eight thousand, eight hundred four 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 138441515940 cubic inches would be around 431.1 feet tall.

Recreational maths with 138441515940

• 138441515940 backwards is 049515144831
• 138441515940 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138441515940's digits is 45
• More coming soon!