668436116992

Names of 668436116992

• Cardinal: 668436116992 can be written as Six hundred sixty-eight billion, four hundred thirty-six million, one hundred sixteen thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 6.68436116992 × 10¹¹

Factors of 668436116992

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 345

Divisors of 668436116992

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 139 196 197 224 256 278 343 392 394 448 512 556 686 784 788 896 973 1112 1372 1379 1568 1576 1792 1946 2224 2744 2758 3136 3152 3584 3892 4448 5488 5516 6272 6304 6811 7784 8896 9653 10976 11032 12544 12608 13622 15568 17792 19306 19321 21952 22064 25088 25216 27244 27383 31136 35584 38612 38642 43904 44128 47677 50432 54488 54766 62272 67571 71168 77224 77284 87808 88256 95354 100864 108976 109532 124544 135142 135247 154448 154568 175616 176512 190708 191681 217952 219064 249088 270284 270494 308896 309136 353024 381416 383362 435904 438128 498176 540568 540988 617792 618272 706048 762832 766724 871808 876256 946729 1081136 1081976 1235584 1236544 1341767 1525664 1533448 1743616 1752512 1893458 2162272 2163952 2471168 2473088 2683534 3051328 3066896 3487232 3505024 3786916 3806237 4324544 4327904 4942336 4946176 5367068 6102656 6133792 6627103 7010048 7573832 7612474 8649088 8655808 9392369 9892352 10734136 12205312 12267584 13254206 14020096 15147664 15224948 17298176 17311616 18784738 21468272 24410624 24535168 26508412 26643659 30295328 30449896 34596352 34623232 37569476 42936544 49070336 53016824 53287318 60590656 60899792 69246464 75138952 85873088 98140672 106033648 106574636 121181312 121799584 150277904 171746176 186505613 212067296 213149272 242362624 243599168 300555808 343492352 373011226 424134592 426298544 484725248 487198336 601111616 686984704 746022452 848269184 852597088 974396672 1202223232 1305539291 1492044904 1696538368 1705194176 1948793344 2404446464 2611078582 2984089808 3393076736 3410388352 4808892928 5222157164 5968179616 6820776704 10444314328 11936359232 13641553408 20888628656 23872718464 41777257312 47745436928 83554514624 95490873856 167109029248 334218058496 668436116992
• Sum of all divisors σ(n): 1576761357600
• Sum of proper divisors (its aliquot sum) s(n): 908325240608
• 668436116992 is an abundant number, because the sum of its proper divisors (908325240608) is greater than itself. Its abundance is 239889123616

Bases of 668436116992

• Binary: 1001101110100001111001011011011000000000₂
• Hexadecimal: 0x9BA1E5B600
• Base-36: 8J2PLSSG

Squares and roots of 668436116992

• 668436116992 squared (668436116992²) is 446806842499342711128064
• 668436116992 cubed (668436116992³) is 298661830845716762138701048198463488
• The square root of 668436116992 is 817579.4254945509
• The cube root of 668436116992 is 8743.5266057639

Scales and comparisons

• 668,436,116,992 seconds is equal to 21,254 years, 10 weeks, 3 days, 3 hours, 9 minutes, 52 seconds.
• To count from 1 to 668,436,116,992 would take you about forty-two thousand, five hundred eight 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 668436116992 cubic inches would be around 728.6 feet tall.

Recreational maths with 668436116992

• 668436116992 backwards is 299611634866
• The number of decimal digits it has is: 12
• The sum of 668436116992's digits is 61
• More coming soon!