668387755008

Names of 668387755008

• Cardinal: 668387755008 can be written as Six hundred sixty-eight billion, three hundred eighty-seven million, seven hundred fifty-five thousand and eight.

Scientific notation

• Scientific notation: 6.68387755008 × 10¹¹

Factors of 668387755008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 2572

Divisors of 668387755008

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 47 48 64 72 94 96 128 141 144 188 192 256 282 288 376 384 423 512 564 576 752 768 846 1024 1049 1128 1152 1471 1504 1536 1692 2098 2256 2304 2942 3008 3072 3147 3384 4196 4413 4512 4608 5884 6016 6294 6768 8392 8826 9024 9216 9441 11768 12032 12588 13239 13536 16784 17652 18048 18882 23536 24064 25176 26478 27072 33568 35304 36096 37764 47072 48128 49303 50352 52956 54144 67136 69137 70608 72192 75528 94144 98606 100704 105912 108288 134272 138274 141216 144384 147909 151056 188288 197212 201408 207411 211824 216576 268544 276548 282432 295818 302112 376576 394424 402816 414822 423648 433152 443727 537088 553096 564864 591636 604224 622233 753152 788848 805632 829644 847296 887454 1074176 1106192 1129728 1183272 1208448 1244466 1506304 1543079 1577696 1611264 1659288 1694592 1774908 2212384 2259456 2366544 2416896 2488932 3086158 3155392 3222528 3318576 3389184 3549816 4424768 4518912 4629237 4733088 4833792 4977864 6172316 6310784 6637152 6778368 7099632 8849536 9258474 9466176 9667584 9955728 12344632 12621568 13274304 13556736 13887711 14199264 17699072 18516948 18932352 19911456 24689264 25243136 26548608 27775422 28398528 35398144 37033896 37864704 39822912 49378528 50486272 53097216 55550844 56797056 70796288 72524713 74067792 75729408 79645824 98757056 106194432 111101688 113594112 145049426 148135584 151458816 159291648 197514112 212388864 217574139 222203376 227188224 290098852 296271168 318583296 395028224 435148278 444406752 454376448 580197704 592542336 637166592 652722417 790056448 870296556 888813504 1160395408 1185084672 1305444834 1580112896 1740593112 1777627008 2320790816 2370169344 2610889668 3481186224 3555254016 4641581632 4740338688 5221779336 6962372448 7110508032 9283163264 10443558672 13924744896 14221016064 18566326528 20887117344 27849489792 37132653056 41774234688 55698979584 74265306112 83548469376 111397959168 167096938752 222795918336 334193877504 668387755008
• Sum of all divisors σ(n): 1974238156800
• Sum of proper divisors (its aliquot sum) s(n): 1305850401792
• 668387755008 is an abundant number, because the sum of its proper divisors (1305850401792) is greater than itself. Its abundance is 637462646784

Bases of 668387755008

• Binary: 1001101110011111000000111100010000000000₂
• Hexadecimal: 0x9B9F03C400
• Base-36: 8J1WT8G0

Squares and roots of 668387755008

• 668387755008 squared (668387755008²) is 446742191044634229080064
• 668387755008 cubed (668387755008³) is 298597010139678114699336766048960512
• The square root of 668387755008 is 817549.8486379897
• The cube root of 668387755008 is 8743.3157332105

Scales and comparisons

• 668,387,755,008 seconds is equal to 21,252 years, 34 weeks, 3 days, 9 hours, 16 minutes, 48 seconds.
• To count from 1 to 668,387,755,008 would take you about forty-two thousand, five hundred five 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 668387755008 cubic inches would be around 728.6 feet tall.

Recreational maths with 668387755008

• 668387755008 backwards is 800557783866
• The number of decimal digits it has is: 12
• The sum of 668387755008's digits is 63
• More coming soon!