668998336512

Names of 668998336512

• Cardinal: 668998336512 can be written as Six hundred sixty-eight billion, nine hundred ninety-eight million, three hundred thirty-six thousand, five hundred twelve.

Scientific notation

• Scientific notation: 6.68998336512 × 10¹¹

Factors of 668998336512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 5129

Divisors of 668998336512

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 64 66 88 96 121 128 132 176 192 242 256 264 352 363 384 484 512 528 704 726 768 968 1024 1056 1331 1408 1452 1536 1936 2048 2112 2662 2816 2904 3072 3872 3993 4096 4224 5113 5324 5632 5808 6144 7744 7986 8192 8448 10226 10648 11264 11616 12288 15339 15488 15972 16384 16896 20452 21296 22528 23232 24576 30678 30976 31944 32768 33792 40904 42592 45056 46464 49152 56243 61356 61952 63888 67584 81808 85184 90112 92928 98304 112486 122712 123904 127776 135168 163616 168729 170368 180224 185856 224972 245424 247808 255552 270336 327232 337458 340736 360448 371712 449944 490848 495616 511104 540672 618673 654464 674916 681472 743424 899888 981696 991232 1022208 1081344 1237346 1308928 1349832 1362944 1486848 1799776 1856019 1963392 1982464 2044416 2474692 2617856 2699664 2725888 2973696 3599552 3712038 3926784 3964928 4088832 4949384 5235712 5399328 5451776 5947392 6805403 7199104 7424076 7853568 8177664 9898768 10471424 10798656 10903552 11894784 13610806 14398208 14848152 15707136 16355328 19797536 20416209 20942848 21597312 21807104 27221612 28796416 29696304 31414272 32710656 39595072 40832418 41885696 43194624 43614208 54443224 57592832 59392608 62828544 65421312 79190144 81664836 83771392 86389248 108886448 115185664 118785216 125657088 130842624 158380288 163329672 167542784 172778496 217772896 230371328 237570432 251314176 316760576 326659344 345556992 435545792 460742656 475140864 502628352 633521152 653318688 691113984 871091584 921485312 950281728 1267042304 1306637376 1382227968 1742183168 1842970624 1900563456 2534084608 2613274752 2764455936 3484366336 3801126912 5068169216 5226549504 5528911872 6968732672 7602253824 10136338432 10453099008 13937465344 15204507648 20272676864 20906198016 27874930688 30409015296 41812396032 55749861376 60818030592 83624792064 111499722752 167249584128 222999445504 334499168256 668998336512
• Sum of all divisors σ(n): 1962614917440
• Sum of proper divisors (its aliquot sum) s(n): 1293616580928
• 668998336512 is an abundant number, because the sum of its proper divisors (1293616580928) is greater than itself. Its abundance is 624618244416

Bases of 668998336512

• Binary: 1001101111000011011010001000000000000000₂
• Hexadecimal: 0x9BC3688000
• Base-36: 8JC0C45C

Squares and roots of 668998336512

• 668998336512 squared (668998336512²) is 447558774255823192326144
• 668998336512 cubed (668998336512³) is 299416075468495446395379779767369728
• The square root of 668998336512 is 817923.1849703247
• The cube root of 668998336512 is 8745.9773030627

Scales and comparisons

• 668,998,336,512 seconds is equal to 21,272 years, 4 weeks, 7 hours, 15 minutes, 12 seconds.
• To count from 1 to 668,998,336,512 would take you about forty-two thousand, five hundred forty-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 668998336512 cubic inches would be around 728.8 feet tall.

Recreational maths with 668998336512

• 668998336512 backwards is 215633899866
• 668998336512 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668998336512's digits is 66
• More coming soon!