18402994379591107520

Names of 18402994379591107520

• Cardinal: 18402994379591107520 can be written as Eighteen quintillion, four hundred two quadrillion, nine hundred ninety-four trillion, three hundred seventy-nine billion, five hundred ninety-one million, one hundred seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.840299437959110752 × 10¹⁹

Factors of 18402994379591107520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 945053776289

Divisors of 18402994379591107520

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 31 32 40 52 62 64 65 80 104 124 130 151 155 160 208 248 260 302 310 320 403 416 496 520 604 620 755 806 832 992 1040 1208 1240 1510 1612 1963 1984 2015 2080 2416 2480 3020 3224 3926 4030 4160 4681 4832 4960 6040 6448 7852 8060 9362 9664 9815 9920 12080 12896 15704 16120 18724 19630 23405 24160 25792 31408 32240 37448 39260 46810 48320 60853 62816 64480 74896 78520 93620 121706 125632 128960 149792 157040 187240 243412 299584 304265 314080 374480 486824 608530 628160 748960 973648 1217060 1497920 1947296 2434120 3894592 4868240 9736480 19472960 945053776087 1890107552174 3780215104348 4725268880435 7560430208696 9450537760870 12285699089131 15120860417392 18901075521740 24571398178262 29296667058697 30241720834784 37802151043480 49142796356524 58593334117394 60483441669568 61428495445655 75604302086960 98285592713048 117186668234788 122856990891310 142703120189137 146483335293485 151208604173920 196571185426096 234373336469576 245713981782620 285406240378274 292966670586970 302417208347840 380856671763061 393142370852192 468746672939152 491427963565240 570812480756548 585933341173940 713515600945685 761713343526122 786284741704384 937493345878304 982855927130480 1141624961513096 1171866682347880 1427031201891370 1523426687052244 1855140562458781 1874986691756608 1904283358815305 1965711854260960 2283249923026192 2343733364695760 2854062403782740 3046853374104488 3710281124917562 3808566717630610 3931423708521920 4423796725863247 4566499846052384 4687466729391520 5708124807565480 6093706748208976 7420562249835124 7617133435261220 8847593451726494 9132999692104768 9275702812293905 9374933458783040 11416249615130960 12187413496417952 14841124499670248 15234266870522440 17695186903452988 18551405624587810 22118983629316235 22832499230261920 24374826992835904 29682248999340496 30468533741044880 35390373806905976 37102811249175620 44237967258632470 45664998460523840 57509357436222211 59364497998680992 60937067482089760 70780747613811952 74205622498351240 88475934517264940 115018714872444422 118728995997361984 121874134964179520 141561495227623904 148411244996702480 176951869034529880 230037429744888844 283122990455247808 287546787181111055 296822489993404960 353903738069059760 460074859489777688 575093574362222110 593644979986809920 707807476138119520 920149718979555376 1150187148724444220 1415614952276239040 1840299437959110752 2300374297448888440 3680598875918221504 4600748594897776880 9201497189795553760 18402994379591107520
• Sum of all divisors σ(n): 49038039035604197376
• Sum of proper divisors (its aliquot sum) s(n): 30635044656013089856
• 18402994379591107520 is an abundant number, because the sum of its proper divisors (30635044656013089856) is greater than itself. Its abundance is 12232050276421982336

Bases of 18402994379591107520

• Binary: 1111111101100100100100011110001010001111000010011100001111000000₂
• Hexadecimal: 0xFF6491E28F09C3C0
• Base-36: 3VTF9225IAP4W

Squares and roots of 18402994379591107520

• 18402994379591107520 squared (18402994379591107520²) is 338670202135261892377238668260200550400
• 18402994379591107520 cubed (18402994379591107520³) is 6232545826430208906393299521287532892067296063649579008000
• The square root of 18402994379591107520 is 4289871137.8771166441
• The cube root of 18402994379591107520 is 2640155.4459468209

Scales and comparisons

• 18,402,994,379,591,107,520 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,402,994,379,591,107,520 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18402994379591107520 cubic inches would be around 220013 feet tall.

Recreational maths with 18402994379591107520

• 18402994379591107520 backwards is 02570119597349920481
• The number of decimal digits it has is: 20
• The sum of 18402994379591107520's digits is 86
• More coming soon!