138078330390

Names of 138078330390

• Cardinal: 138078330390 can be written as One hundred thirty-eight billion, seventy-eight million, three hundred thirty thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.3807833039 × 10¹¹

Factors of 138078330390

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1081

Divisors of 138078330390

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 18 21 22 26 30 31 33 35 39 42 45 49 55 62 63 65 66 70 77 78 90 91 93 98 99 105 110 117 126 130 143 147 154 155 165 182 186 195 198 210 217 231 234 245 273 279 286 294 310 315 330 341 343 385 390 403 429 434 441 455 462 465 490 495 539 546 558 585 630 637 651 682 686 693 715 735 770 806 819 858 882 910 930 990 1001 1009 1023 1029 1078 1085 1155 1170 1209 1274 1287 1302 1365 1386 1395 1430 1470 1519 1617 1638 1705 1715 1911 1953 2002 2015 2018 2046 2058 2145 2170 2205 2310 2387 2418 2574 2695 2730 2790 2821 3003 3027 3038 3069 3087 3185 3234 3255 3410 3430 3465 3627 3773 3822 3906 4030 4095 4290 4410 4433 4459 4557 4774 4851 5005 5045 5115 5145 5390 5642 5733 6006 6045 6054 6138 6174 6370 6435 6510 6930 7007 7063 7161 7254 7546 7595 8085 8190 8463 8866 8918 9009 9081 9114 9555 9702 9765 10010 10090 10230 10290 10633 11099 11319 11466 11935 12090 12870 13117 13299 13377 13671 14014 14105 14126 14322 15015 15135 15190 15345 15435 16170 16709 16926 18018 18135 18162 18865 19110 19530 19747 21021 21189 21266 21483 22165 22198 22295 22638 22785 23870 24255 25389 26234 26598 26754 27342 28210 28665 30030 30270 30690 30870 31031 31279 31899 33297 33418 33957 35035 35315 35805 36270 37730 39351 39494 39897 40131 42042 42315 42378 42966 44330 44590 45045 45405 45570 48510 49049 49441 50127 50778 53165 55495 56595 57330 59241 62062 62558 63063 63567 63798 65585 66495 66594 66885 67914 68355 70070 70630 71610 77693 78702 79794 80262 83545 84630 90090 90810 91819 93093 93837 95697 98098 98735 98882 99891 100254 105105 105945 106330 107415 110990 113190 116963 118053 118482 126126 126945 127134 131170 132990 133770 136710 138229 144287 147147 148323 150381 155155 155386 156395 159495 166485 167090 169785 177723 183638 186186 187674 191394 196755 197470 199485 199782 200655 210210 211890 214830 217217 218953 233079 233926 236106 245245 247205 250635 253890 275457 276458 279279 281511 288574 294294 296205 296646 300762 310310 312790 315315 317835 318990 332970 339570 344069 346087 350889 355446 388465 393510 398970 401310 406627 414687 432861 434434 437906 441441 444969 459095 465465 466158 469185 478485 490490 494410 499455 501270 543851 550914 558558 563022 584815 590265 592410 630630 635670 642733 651651 656859 688138 691145 692174 699237 701778 721435 735735 741615 751905 776930 813254 826371 829374 865722 882882 888615 889938 918190 930930 938370 956970 998910 1010009 1032207 1038261 1052667 1086085 1087702 1094765 1165395 1169630 1180530 1219881 1244061 1285466 1298583 1303302 1313718 1377285 1382290 1396395 1398474 1407555 1442870 1471470 1483230 1503810 1520519 1532671 1631553 1652742 1720345 1730435 1754445 1777230 1928199 1954953 1970577 2020018 2033135 2064414 2073435 2076522 2105334 2164305 2172170 2189530 2207205 2224845 2330790 2408483 2439762 2488122 2597166 2719255 2754570 2792790 2815110 2846389 3030027 3041038 3065342 3096621 3114783 3213665 3258255 3263106 3284295 3440690 3460870 3496185 3508890 3659643 3806957 3856398 3909906 3941154 4066270 4131855 4146870 4328610 4414410 4449690 4472897 4499131 4561557 4598013 4816966 4894659 5050045 5161035 5191305 5263335 5438510 5692778 5784597 6060054 6099405 6193242 6220305 6229566 6427330 6492915 6516510 6568590 6992370 7070063 7225449 7319286 7602595 7613914 7663355 8157765 8263710 8539167 8945794 8998262 9090081 9123114 9196026 9640995 9774765 9789318 9852885 10100090 10322070 10382610 10526670 10728697 11420871 11569194 12042415 12198810 12440610 12985830 13418691 13497393 13684671 13794039 14140126 14231945 14450898 15150135 15205190 15326710 15483105 15573915 16315530 16859381 17078334 18180162 18298215 19034785 19281990 19549530 19705770 19924723 21210189 21457394 21676347 22364485 22495655 22807785 22841742 22990065 24084830 24473295 25617501 26837382 26994786 27369342 27588078 28463890 28922985 30300270 30966210 31147830 31310279 32186091 33718762 34262613 35350315 36127245 36596430 38069570 39849446 40256073 40492179 42420378 42695835 43352694 44728970 44991310 45450405 45615570 45980130 48946590 49490441 50578143 51235002 53643485 57104355 57845970 59774169 62620558 63630567 64372182 67093455 67486965 68423355 68525226 68970195 70700630 72254490 80512146 80984358 84296905 85391670 90900810 93930837 96558273 98980882 99623615 101156286 106050945 107286970 108381735 114208710 118015667 119548338 127261134 128087505 134186910 134973930 136846710 137940390 139473061 148471323 151734429 156551395 160930455 168593810 171313065 179322507 187861674 193116546 199247230 201280365 202460895 212101890 216763470 219171953 236031334 247452205 252890715 256175010 278946122 281792511 296942646 298870845 303468858 313102790 318152835 321860910 342626130 354047001 358645014 402560730 404921790 418419183 438343906 445413969 469654185 482791365 494904410 505781430 563585022 590078335 597741690 636305670 657515859 697365305 708094002 742356615 758672145 836838366 890827938 896612535 939308370 965582730 1062141003 1095859765 1180156670 1255257549 1315031718 1394730610 1408962555 1484713230 1517344290 1534203671 1770235005 1793225070 1972547577 2092095915 2124282006 2191719530 2227069845 2510515098 2817925110 3068407342 3287579295 3540470010 3945095154 4184191830 4454139690 4602611013 5310705015 6276287745 6575158590 7671018355 9205222026 9862737885 10621410030 12552575490 13807833039 15342036710 19725475770 23013055065 27615666078 46026110130 69039165195 138078330390
• Sum of all divisors σ(n): 508225536000
• Sum of proper divisors (its aliquot sum) s(n): 370147205610
• 138078330390 is an abundant number, because the sum of its proper divisors (370147205610) is greater than itself. Its abundance is 232068875220

Bases of 138078330390

• Binary: 10000000100110000111000001111000010110₂
• Hexadecimal: 0x20261C1E16
• Base-36: 1RFK9TLI

Squares and roots of 138078330390

• 138078330390 squared (138078330390²) is 19065625323289997552100
• 138078330390 cubed (138078330390³) is 2632549712481186843781155038319000
• The square root of 138078330390 is 371588.9266245699
• The cube root of 138078330390 is 5168.6268065153

Scales and comparisons

• 138,078,330,390 seconds is equal to 4,390 years, 24 weeks, 19 hours, 46 minutes, 30 seconds.
• To count from 1 to 138,078,330,390 would take you about eight thousand, seven hundred eighty 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 138078330390 cubic inches would be around 430.7 feet tall.

Recreational maths with 138078330390

• 138078330390 backwards is 093033870831
• 138078330390 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138078330390's digits is 45
• More coming soon!