668464560512

Names of 668464560512

• Cardinal: 668464560512 can be written as Six hundred sixty-eight billion, four hundred sixty-four million, five hundred sixty thousand, five hundred twelve.

Scientific notation

• Scientific notation: 6.68464560512 × 10¹¹

Factors of 668464560512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 272630

Divisors of 668464560512

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 16 17 23 28 32 34 46 49 56 64 68 92 98 112 119 128 136 161 184 196 224 238 272 322 368 391 392 448 476 544 644 736 782 784 833 896 952 1088 1127 1288 1472 1564 1568 1666 1904 2176 2254 2576 2737 2944 3128 3136 3332 3808 4508 5152 5474 6256 6272 6664 7616 9016 10304 10948 12512 13328 15232 18032 19159 20608 21896 25024 26656 36064 38318 43792 50048 53312 72128 76636 87584 106624 144256 153272 175168 272581 306544 350336 545162 613088 1090324 1226176 1908067 2180648 2452352 3816134 4361296 4633877 6269363 7632268 8722592 9267754 12538726 13356469 15264536 17445184 18535508 25077452 26712938 30529072 32437139 34890368 37071016 43885541 50154904 53425876 61058144 64874278 74142032 87771082 100309808 106579171 106851752 122116288 129748556 148284064 175542164 200619616 213158342 213703504 227059973 244232576 259497112 296568128 307198787 351084328 401239232 426316684 427407008 454119946 518994224 593136256 614397574 702168656 746054197 802478464 852633368 854814016 908239892 1037988448 1228795148 1404337312 1492108394 1705266736 1709628032 1816479784 2075976896 2457590296 2808674624 2984216788 3410533472 3632959568 4151953792 4915180592 5222379379 5617349248 5968433576 6821066944 7265919136 9830361184 10444758758 11936867152 13642133888 14531838272 19660722368 20889517516 23873734304 29063676544 39321444736 41779035032 47747468608 83558070064 95494937216 167116140128 334232280256 668464560512
• Sum of all divisors σ(n): 1711575087840
• Sum of proper divisors (its aliquot sum) s(n): 1043110527328
• 668464560512 is an abundant number, because the sum of its proper divisors (1043110527328) is greater than itself. Its abundance is 374645966816

Bases of 668464560512

• Binary: 1001101110100011100101111011100110000000₂
• Hexadecimal: 0x9BA397B980
• Base-36: 8J36JFY8

Squares and roots of 668464560512

• 668464560512 squared (668464560512²) is 446844868660501309702144
• 668464560512 cubed (668464560512³) is 298699958746184370123644090584137728
• The square root of 668464560512 is 817596.8202677895
• The cube root of 668464560512 is 8743.6506231731

Scales and comparisons

• 668,464,560,512 seconds is equal to 21,255 years, 5 weeks, 3 days, 8 hours, 8 minutes, 32 seconds.
• To count from 1 to 668,464,560,512 would take you about forty-two thousand, five hundred ten 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 668464560512 cubic inches would be around 728.6 feet tall.

Recreational maths with 668464560512

• 668464560512 backwards is 215065464866
• The number of decimal digits it has is: 12
• The sum of 668464560512's digits is 53
• More coming soon!