640380541437

Names of 640380541437

• Cardinal: 640380541437 can be written as Six hundred forty billion, three hundred eighty million, five hundred forty-one thousand, four hundred thirty-seven.

Scientific notation

• Scientific notation: 6.40380541437 × 10¹¹

Factors of 640380541437

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 158

Divisors of 640380541437

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 7 9 13 19 21 27 37 39 57 63 79 91 111 117 133 169 171 189 237 247 259 273 333 351 361 399 481 507 513 553 703 711 741 777 819 999 1027 1083 1183 1197 1443 1501 1521 1659 1729 2109 2133 2223 2331 2457 2527 2923 3081 3211 3249 3367 3549 3591 4329 4503 4563 4693 4921 4977 5187 6253 6327 6669 6859 6993 7189 7581 8769 9139 9243 9633 9747 10101 10507 10647 12987 13351 13357 13509 14079 14763 14931 15561 18759 18981 19513 20461 20577 21567 22477 22743 26307 27417 27729 28519 28899 30303 31521 31941 32851 37999 40053 40071 40527 42237 43771 44289 46683 48013 55537 56277 58539 61009 61383 61731 63973 64701 67431 68229 78921 82251 85557 86697 89167 90909 93457 93499 94563 98553 113997 118807 120159 120213 126711 131313 132867 136591 144039 166611 168831 173641 175617 183027 184149 185193 191919 194103 199633 202293 246753 253669 253783 256671 265993 267501 280371 280497 283689 295659 341991 356421 360477 360639 370747 388759 393939 409773 427063 432117 493987 499833 520923 526851 541861 549081 552447 575757 598899 606879 624169 721981 761007 761349 770013 797979 802503 831649 841113 841491 886977 1025973 1055203 1069263 1112241 1159171 1166277 1181817 1215487 1229319 1281189 1296351 1481961 1499499 1562769 1625583 1647243 1727271 1775683 1776481 1796697 1872507 2165943 2257333 2283021 2284047 2393937 2407509 2494947 2523339 2524473 2595229 3165609 3207789 3299179 3336723 3457909 3477513 3498831 3646461 3687957 3793027 3843567 4445883 4688307 4819711 4876749 5053867 5327049 5329443 5390091 5617521 6497829 6771999 6849063 6852141 7044193 7181811 7386421 7484841 7785687 8114197 9385753 9496827 9897537 10010169 10373727 10432539 10496493 10939383 11379081 11530701 13337649 13717639 14459133 14630247 15161601 15801331 15981147 15988329 16852563 19493487 20048857 20315997 21132579 22159263 22454523 23094253 23357061 24342591 28157259 28490481 29692611 31121181 31297617 32818149 33737977 34137243 41152917 42889327 43377399 45484803 47403993 47943441 47964987 49309351 60146571 60947991 63397737 65700271 66477789 69282759 70071183 73027773 84471777 89077833 91574509 93363543 96023473 101213931 102411729 123458751 128667981 130132197 136454409 140341999 142211979 147928053 178329307 180439713 190193211 197100813 199433367 207848277 219083319 253415331 260635141 274723527 288070419 300225289 303641793 370376253 386003943 421025997 426635937 443784159 534987921 541319139 591302439 623544831 641021563 781905423 824170581 864211257 900675867 910925379 1158011829 1248305149 1263077991 1331352477 1604963763 1773907317 1824445987 1923064689 2345716269 2472511743 2592633771 2702027601 3388256833 3744915447 3789233973 4814891289 5473337961 5769194067 7037148807 8106082803 10164770499 11234746341 16420013883 17307582201 23717797831 30494311497 33704239023 49260041649 71153393493 91482934491 213460180479 640380541437
• Sum of all divisors σ(n): 1288882176000
• Sum of proper divisors (its aliquot sum) s(n): 648501634563
• 640380541437 is an abundant number, because the sum of its proper divisors (648501634563) is greater than itself. Its abundance is 8121093126

Bases of 640380541437

• Binary: 1001010100011001101001111001100111111101₂
• Hexadecimal: 0x9519A799FD
• Base-36: 866Q1G59

Squares and roots of 640380541437

• 640380541437 squared (640380541437²) is 410087237851145274024969
• 640380541437 cubed (640380541437³) is 262611887411520210990653380477140453
• The square root of 640380541437 is 800237.8030541921
• The cube root of 640380541437 is 8619.4464460297

Scales and comparisons

• 640,380,541,437 seconds is equal to 20,362 years, 6 weeks, 1 day, 19 hours, 43 minutes, 57 seconds.
• To count from 1 to 640,380,541,437 would take you about forty thousand, seven hundred twenty-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 640380541437 cubic inches would be around 718.3 feet tall.

Recreational maths with 640380541437

• 640380541437 backwards is 734145083046
• The number of decimal digits it has is: 12
• The sum of 640380541437's digits is 45
• More coming soon!