138913505280

Names of 138913505280

• Cardinal: 138913505280 can be written as One hundred thirty-eight billion, nine hundred thirteen million, five hundred five thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3891350528 × 10¹¹

Factors of 138913505280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 641

Divisors of 138913505280

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 19 20 22 24 27 30 32 33 36 38 40 44 45 48 54 55 57 60 64 66 72 76 80 88 90 95 96 99 108 110 114 120 128 132 135 144 152 160 165 171 176 180 190 192 198 209 216 220 228 240 256 264 270 285 288 297 304 320 330 342 352 360 380 384 396 418 432 440 456 480 495 512 513 528 540 570 576 594 601 608 627 640 660 684 704 720 760 768 792 836 855 864 880 912 960 990 1024 1026 1045 1056 1080 1140 1152 1188 1202 1216 1254 1280 1320 1368 1408 1440 1485 1520 1536 1584 1672 1710 1728 1760 1803 1824 1881 1920 1980 2048 2052 2090 2112 2160 2280 2304 2376 2404 2432 2508 2560 2565 2640 2736 2816 2880 2970 3005 3040 3072 3135 3168 3344 3420 3456 3520 3606 3648 3762 3840 3960 4096 4104 4180 4224 4320 4560 4608 4752 4808 4864 5016 5120 5130 5280 5409 5472 5632 5643 5760 5940 6010 6080 6144 6270 6336 6611 6688 6840 6912 7040 7212 7296 7524 7680 7920 8192 8208 8360 8448 8640 9015 9120 9216 9405 9504 9616 9728 10032 10240 10260 10560 10818 10944 11264 11286 11419 11520 11880 12020 12160 12288 12540 12672 13222 13376 13680 13824 14080 14424 14592 15048 15360 15840 16227 16416 16720 16896 17280 18030 18240 18432 18810 19008 19232 19456 19833 20064 20480 20520 21120 21636 21888 22528 22572 22838 23040 23760 24040 24320 24576 25080 25344 26444 26752 27045 27360 27648 28160 28215 28848 29184 30096 30720 31680 32454 32832 33055 33440 33792 34257 34560 36060 36480 36864 37620 38016 38464 38912 39666 40128 40960 41040 42240 43272 43776 45056 45144 45676 46080 47520 48080 48640 50160 50688 52888 53504 54090 54720 55296 56320 56430 57095 57696 58368 59499 60192 61440 63360 64908 65664 66110 66880 67584 68514 69120 72120 72960 73728 75240 76032 76928 77824 79332 80256 81135 82080 84480 86544 87552 90112 90288 91352 92160 95040 96160 97280 99165 100320 101376 102771 105776 107008 108180 109440 110592 112640 112860 114190 115392 116736 118998 120384 122880 125609 126720 129816 131328 132220 133760 135168 137028 138240 144240 145920 150480 152064 153856 155648 158664 160512 162270 164160 168960 171285 173088 175104 178497 180576 182704 184320 190080 192320 194560 198330 200640 202752 205542 211552 214016 216360 218880 221184 225280 225720 228380 230784 233472 237996 240768 251218 253440 259632 262656 264440 267520 270336 274056 276480 288480 291840 297495 300960 304128 307712 308313 317328 321024 324540 328320 337920 342570 346176 350208 356994 361152 365408 368640 376827 380160 384640 389120 396660 401280 405504 411084 423104 428032 432720 437760 450560 451440 456760 461568 466944 475992 481536 502436 506880 513855 519264 525312 528880 535040 548112 552960 576960 583680 594990 601920 608256 615424 616626 628045 634656 642048 649080 656640 675840 685140 692352 700416 713988 722304 730816 753654 760320 769280 778240 793320 802560 811008 822168 846208 856064 865440 875520 892485 902880 913520 923136 951984 963072 1004872 1013760 1027710 1038528 1050624 1057760 1070080 1096224 1105920 1130481 1153920 1167360 1189980 1203840 1216512 1230848 1233252 1256090 1269312 1284096 1298160 1313280 1351680 1370280 1384704 1400832 1427976 1444608 1461632 1507308 1520640 1538560 1541565 1586640 1605120 1644336 1692416 1712128 1730880 1751040 1784970 1805760 1827040 1846272 1884135 1903968 1926144 2009744 2027520 2055420 2077056 2101248 2115520 2140160 2192448 2260962 2307840 2334720 2379960 2407680 2433024 2461696 2466504 2512180 2538624 2568192 2596320 2626560 2740560 2769408 2855952 2889216 2923264 3014616 3041280 3077120 3083130 3173280 3210240 3288672 3384832 3391443 3461760 3502080 3569940 3611520 3654080 3692544 3768270 3807936 3852288 4019488 4055040 4110840 4154112 4202496 4231040 4280320 4384896 4521924 4615680 4759920 4815360 4923392 4933008 5024360 5077248 5136384 5192640 5253120 5481120 5538816 5652405 5711904 5778432 5846528 6029232 6082560 6154240 6166260 6346560 6420480 6577344 6769664 6782886 6923520 7004160 7139880 7223040 7308160 7385088 7536540 7615872 7704576 8038976 8221680 8308224 8462080 8560640 8769792 9043848 9231360 9519840 9630720 9866016 10048720 10154496 10385280 10506240 10962240 11077632 11304810 11423808 11556864 11693056 12058464 12165120 12308480 12332520 12693120 12840960 13154688 13539328 13565772 13847040 14279760 14446080 14616320 14770176 15073080 15231744 15409152 16077952 16443360 16616448 16924160 16957215 17539584 18087696 18462720 19039680 19261440 19732032 20097440 20308992 20770560 21012480 21924480 22155264 22609620 22847616 23113728 23386112 24116928 24616960 24665040 25386240 25681920 26309376 27078656 27131544 27694080 28559520 28892160 29232640 30146160 30463488 32155904 32886720 33232896 33848320 33914430 35079168 36175392 36925440 38079360 38522880 39464064 40194880 40617984 41541120 43848960 44310528 45219240 45695232 46227456 46772224 48233856 49330080 50772480 52618752 54157312 54263088 55388160 57119040 57784320 58465280 60292320 60926976 64311808 65773440 66465792 67696640 67828860 70158336 72350784 73850880 76158720 77045760 78928128 80389760 81235968 83082240 87697920 90438480 91390464 93544448 96467712 98660160 101544960 105237504 108526176 110776320 114238080 115568640 116930560 120584640 121853952 128623616 131546880 132931584 135393280 135657720 140316672 144701568 152317440 157856256 160779520 162471936 166164480 175395840 180876960 182780928 192935424 197320320 203089920 210475008 217052352 221552640 228476160 231137280 233861120 241169280 243707904 257247232 263093760 270786560 271315440 280633344 289403136 304634880 315712512 321559040 332328960 350791680 361753920 365561856 385870848 394640640 406179840 420950016 434104704 456952320 467722240 482338560 487415808 514494464 526187520 542630880 578806272 609269760 631425024 643118080 664657920 701583360 723507840 731123712 771741696 789281280 812359680 841900032 868209408 913904640 964677120 1028988928 1052375040 1085261760 1157612544 1218539520 1262850048 1286236160 1403166720 1447015680 1462247424 1543483392 1578562560 1736418816 1827809280 1929354240 2104750080 2170523520 2315225088 2437079040 2525700096 2572472320 2894031360 3086966784 3157125120 3472837632 3655618560 3858708480 4209500160 4341047040 4630450176 5144944640 5788062720 6314250240 6945675264 7311237120 7717416960 8682094080 9260900352 11576125440 12628500480 13891350528 15434833920 17364188160 23152250880 27782701056 34728376320 46304501760 69456752640 138913505280
• Sum of all divisors σ(n): 568083801600
• Sum of proper divisors (its aliquot sum) s(n): 429170296320
• 138913505280 is an abundant number, because the sum of its proper divisors (429170296320) is greater than itself. Its abundance is 290256791040

Bases of 138913505280

• Binary: 10000001010111111000111110000000000000₂
• Hexadecimal: 0x2057E3E000
• Base-36: 1RTDIIO0

Squares and roots of 138913505280

• 138913505280 squared (138913505280²) is 19296961949176587878400
• 138913505280 cubed (138913505280³) is 2680608625614901031898502397952000
• The square root of 138913505280 is 372711.0211410443
• The cube root of 138913505280 is 5179.0267805851

Scales and comparisons

• 138,913,505,280 seconds is equal to 4,417 years, 1 week, 4 hours, 48 minutes.
• To count from 1 to 138,913,505,280 would take you about eight thousand, eight hundred thirty-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 138913505280 cubic inches would be around 431.6 feet tall.

Recreational maths with 138913505280

• 138913505280 backwards is 082505319831
• 138913505280 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138913505280's digits is 45
• More coming soon!