640413983590391808

Names of 640413983590391808

• Cardinal: 640413983590391808 can be written as Six hundred forty quadrillion, four hundred thirteen trillion, nine hundred eighty-three billion, five hundred ninety million, three hundred ninety-one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 6.40413983590391808 × 10¹⁷

Factors of 640413983590391808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 421045

Divisors of 640413983590391808

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 168 192 196 224 252 256 288 294 336 384 392 441 448 504 512 576 588 672 768 784 882 896 1008 1024 1152 1176 1344 1536 1568 1764 1792 2016 2048 2304 2352 2688 3072 3136 3528 3584 4032 4096 4608 4704 5376 6144 6272 7056 7168 8064 8192 9216 9408 10752 12288 12544 14112 14336 16128 18432 18816 21504 24576 25088 28224 28672 32256 36864 37632 43008 50176 56448 57344 64512 73728 75264 86016 100352 112896 129024 150528 172032 200704 225792 258048 301056 401408 421033 451584 516096 602112 842066 903168 1204224 1263099 1684132 1806336 2526198 2947231 3368264 3612672 3789297 5052396 5894462 6736528 7578594 8841693 10104792 11788924 13473056 15157188 17683386 20209584 20630617 23577848 26525079 26946112 30314376 35366772 40419168 41261234 47155696 53050158 53892224 60628752 61891851 70733544 80838336 82522468 94311392 106100316 107784448 121257504 123783702 141467088 161676672 165044936 185675553 188622784 212200632 215568896 242515008 247567404 282934176 323353344 330089872 371351106 377245568 424401264 431137792 485030016 495134808 565868352 646706688 660179744 742702212 754491136 848802528 862275584 970060032 990269616 1131736704 1293413376 1320359488 1485404424 1508982272 1697605056 1724551168 1940120064 1980539232 2263473408 2586826752 2640718976 2970808848 3017964544 3395210112 3449102336 3880240128 3961078464 4526946816 5173653504 5281437952 5941617696 6035929088 6790420224 7760480256 7922156928 9053893632 10347307008 10562875904 11883235392 12071858176 13580840448 15520960512 15844313856 18107787264 21125751808 23766470784 24143716352 27161680896 31041921024 31688627712 36215574528 42251503616 47532941568 54323361792 63377255424 72431149056 84503007232 95065883136 108646723584 126754510848 169006014464 177268787089 190131766272 217293447168 253509021696 354537574178 380263532544 507018043392 531806361267 709075148356 760527065088 1063612722534 1240881509623 1418150296712 1521054130176 1595419083801 2127225445068 2481763019246 2836300593424 3190838167602 3722644528869 4254450890136 4963526038492 5672601186848 6381676335204 7445289057738 8508901780272 8686170567361 9927052076984 11167933586607 11345202373696 12763352670408 14890578115476 17017803560544 17372341134722 19854104153968 22335867173214 22690404747392 25526705340816 26058511702083 29781156230952 34035607121088 34744682269444 39708208307936 44671734346428 45380809494784 51053410681632 52117023404166 59562312461904 68071214242176 69489364538888 78175535106249 79416416615872 89343468692856 90761618989568 102106821363264 104234046808332 119124624923808 136142428484352 138978729077776 156351070212498 158832833231744 178686937385712 181523237979136 204213642726528 208468093616664 238249249847616 272284856968704 277957458155552 312702140424996 317665666463488 357373874771424 363046475958272 408427285453056 416936187233328 476498499695232 544569713937408 555914916311104 625404280849992 635331332926976 714747749542848 726092951916544 816854570906112 833872374466656 952996999390464 1089139427874816 1111829832622208 1250808561699984 1270662665853952 1429495499085696 1452185903833088 1633709141812224 1667744748933312 1905993998780928 2178278855749632 2223659665244416 2501617123399968 2541325331707904 2858990998171392 3267418283624448 3335489497866624 3811987997561856 4356557711499264 4447319330488832 5003234246799936 5082650663415808 5717981996342784 6534836567248896 6670978995733248 7623975995123712 8894638660977664 10006468493599872 10165301326831616 11435963992685568 13069673134497792 13341957991466496 15247951990247424 17789277321955328 20012936987199744 22871927985371136 26683915982932992 30495903980494848 35578554643910656 40025873974399488 45743855970742272 53367831965865984 71157109287821312 80051747948798976 91487711941484544 106735663931731968 160103495897597952 213471327863463936 320206991795195904 640413983590391808
• Sum of all divisors σ(n): 2152013264579219769
• Sum of proper divisors (its aliquot sum) s(n): 1511599280988827961
• 640413983590391808 is an abundant number, because the sum of its proper divisors (1511599280988827961) is greater than itself. Its abundance is 871185297398436153

Bases of 640413983590391808

• Binary: 100011100011001101010010000000000001000110010010000000000000₂
• Hexadecimal: 0x8E3352001192000
• Base-36: 4V5RT6JYNSW0

Squares and roots of 640413983590391808

• 640413983590391808 squared (640413983590391808²) is 410130070378114627932265014953508864
• 640413983590391808 cubed (640413983590391808³) is 262653032161056138670367231254108415133594446160986112
• The square root of 640413983590391808 is 800258697.9161125045
• The cube root of 640413983590391808 is 861959.6485896027

Scales and comparisons

• 640,413,983,590,391,808 seconds is equal to 20,363,183,747 years, 34 weeks, 2 days, 1 hour, 16 minutes, 48 seconds.
• To count from 1 to 640,413,983,590,391,808 would take you about sixty-one billion, eighty-nine million, five hundred fifty-one thousand, two hundred forty-two 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 640413983590391808 cubic inches would be around 71830 feet tall.

Recreational maths with 640413983590391808

• 640413983590391808 backwards is 808193095389314046
• The number of decimal digits it has is: 18
• The sum of 640413983590391808's digits is 81
• More coming soon!