18407838711808

Names of 18407838711808

• Cardinal: 18407838711808 can be written as Eighteen trillion, four hundred seven billion, eight hundred thirty-eight million, seven hundred eleven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8407838711808 × 10¹³

Factors of 18407838711808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 180

Divisors of 18407838711808

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 31 32 49 52 56 62 64 91 98 104 112 124 127 128 182 196 208 217 224 248 254 256 343 364 392 403 416 434 448 496 508 512 637 686 728 784 806 832 868 889 896 992 1016 1024 1274 1372 1456 1519 1568 1612 1651 1664 1736 1778 1792 1984 2032 2048 2548 2744 2821 2912 3038 3136 3224 3302 3328 3472 3556 3584 3937 3968 4064 4096 4459 5096 5488 5642 5824 6076 6223 6272 6448 6604 6656 6944 7112 7168 7874 7936 8128 8192 8918 10192 10633 10976 11284 11557 11648 12152 12446 12544 12896 13208 13312 13888 14224 14336 15748 15872 16256 16384 17836 19747 20384 21266 21952 22568 23114 23296 24304 24892 25088 25792 26416 26624 27559 27776 28448 28672 31496 31744 32512 32768 35672 39494 40768 42532 43561 43904 45136 46228 46592 48608 49784 50176 51181 51584 52832 53248 55118 55552 56896 57344 62992 63488 65024 65536 71344 78988 80899 81536 85064 87122 87808 90272 92456 93184 97216 99568 100352 102362 103168 105664 106496 110236 111104 113792 114688 125984 126976 130048 131072 138229 142688 157976 161798 163072 170128 174244 175616 180544 184912 186368 192913 194432 199136 200704 204724 206336 211328 212992 220472 222208 227584 229376 251968 253952 260096 262144 276458 285376 315952 323596 326144 340256 348488 351232 358267 361088 369824 372736 385826 388864 398272 401408 409448 412672 422656 425984 440944 444416 455168 458752 503936 507904 520192 524288 552916 566293 570752 631904 647192 652288 680512 696976 702464 716534 722176 739648 745472 771652 777728 796544 802816 818896 825344 845312 851968 881888 888832 910336 917504 1007872 1015808 1040384 1048576 1105832 1132586 1141504 1263808 1294384 1304576 1350391 1361024 1393952 1404928 1433068 1444352 1479296 1490944 1543304 1555456 1593088 1605632 1637792 1650688 1690624 1703936 1763776 1777664 1820672 1835008 2015744 2031616 2080768 2211664 2265172 2283008 2507869 2527616 2588768 2609152 2700782 2722048 2787904 2809856 2866136 2888704 2958592 2981888 3086608 3110912 3186176 3211264 3275584 3301376 3381248 3407872 3527552 3555328 3641344 3670016 4031488 4063232 4161536 4423328 4530344 4566016 5015738 5055232 5177536 5218304 5401564 5444096 5575808 5619712 5732272 5777408 5917184 5963776 6173216 6221824 6372352 6422528 6551168 6602752 6762496 6815744 7055104 7110656 7282688 7340032 8062976 8126464 8323072 8846656 9060688 9132032 10031476 10110464 10355072 10436608 10803128 10888192 11151616 11239424 11464544 11554816 11834368 11927552 12346432 12443648 12744704 12845056 13102336 13205504 13524992 13631488 14110208 14221312 14565376 16125952 16252928 16646144 17555083 17693312 18121376 18264064 20062952 20220928 20710144 20873216 21606256 21776384 22303232 22478848 22929088 23109632 23668736 23855104 24692864 24887296 25489408 25690112 26204672 26411008 27049984 28220416 28442624 29130752 32251904 32505856 33292288 35110166 35386624 36242752 36528128 40125904 40441856 41420288 41746432 43212512 43552768 44606464 44957696 45858176 46219264 47337472 47710208 49385728 49774592 50978816 51380224 52409344 52822016 54099968 56440832 56885248 58261504 64503808 66584576 70220332 70773248 72485504 73056256 80251808 80883712 82840576 83492864 86425024 87105536 89212928 89915392 91716352 92438528 94674944 95420416 98771456 99549184 101957632 104818688 105644032 108199936 112881664 113770496 116523008 129007616 133169152 140440664 141546496 144971008 146112512 160503616 161767424 165681152 166985728 172850048 174211072 178425856 179830784 183432704 184877056 189349888 197542912 199098368 203915264 209637376 211288064 216399872 225763328 227540992 233046016 258015232 280881328 283092992 289942016 292225024 321007232 323534848 331362304 333971456 345700096 348422144 356851712 359661568 366865408 369754112 378699776 395085824 398196736 407830528 419274752 422576128 432799744 451526656 466092032 516030464 561762656 566185984 579884032 584450048 642014464 647069696 662724608 667942912 691400192 696844288 713703424 733730816 739508224 757399552 790171648 796393472 815661056 838549504 865599488 903053312 932184064 1032060928 1123525312 1132371968 1159768064 1168900096 1284028928 1294139392 1325449216 1382800384 1393688576 1427406848 1467461632 1479016448 1514799104 1580343296 1592786944 1631322112 1677099008 1731198976 1806106624 2064121856 2247050624 2264743936 2319536128 2337800192 2568057856 2588278784 2650898432 2765600768 2787377152 2854813696 2934923264 2958032896 3029598208 3160686592 3262644224 3354198016 3612213248 4128243712 4494101248 4529487872 4639072256 4675600384 5136115712 5176557568 5301796864 5531201536 5574754304 5709627392 5869846528 6059196416 6321373184 6525288448 6708396032 7224426496 8988202496 9058975744 9278144512 10272231424 10353115136 10603593728 11062403072 11149508608 11419254784 11739693056 12118392832 12642746368 13416792064 14448852992 17976404992 18117951488 18556289024 20544462848 20706230272 21207187456 22124806144 22838509568 23479386112 25285492736 26833584128 28897705984 35952809984 36235902976 37112578048 41088925696 42414374912 44249612288 45677019136 46958772224 50570985472 53667168256 71905619968 72471805952 74225156096 82177851392 84828749824 88499224576 93917544448 101141970944 143811239936 144943611904 148450312192 164355702784 176998449152 187835088896 202283941888 287622479872 296900624384 328711405568 353996898304 375670177792 575244959744 593801248768 657422811136 707993796608 1150489919488 1314845622272 1415987593216 2300979838976 2629691244544 4601959677952 9203919355904 18407838711808
• Sum of all divisors σ(n): 48103610777600
• Sum of proper divisors (its aliquot sum) s(n): 29695772065792
• 18407838711808 is an abundant number, because the sum of its proper divisors (29695772065792) is greater than itself. Its abundance is 11287933353984

Bases of 18407838711808

• Binary: 100001011110111101000101100000000000000000000₂
• Hexadecimal: 0x10BDE8B00000
• Base-36: 6IWFZW4XS

Squares and roots of 18407838711808

• 18407838711808 squared (18407838711808²) is 338848526039937208878628864
• 18407838711808 cubed (18407838711808³) is 6237469015077037294645586568115086426112
• The square root of 18407838711808 is 4290435.7251691815
• The cube root of 18407838711808 is 26403.8708701819

Scales and comparisons

• 18,407,838,711,808 seconds is equal to 585,312 years, 17 weeks, 1 day, 19 hours, 3 minutes, 28 seconds.
• To count from 1 to 18,407,838,711,808 would take you about one million, four hundred sixty-three thousand, two 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 18407838711808 cubic inches would be around 2200.3 feet tall.

Recreational maths with 18407838711808

• 18407838711808 backwards is 80811783870481
• 18407838711808 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18407838711808's digits is 64
• More coming soon!