668996473572

Names of 668996473572

• Cardinal: 668996473572 can be written as Six hundred sixty-eight billion, nine hundred ninety-six million, four hundred seventy-three thousand, five hundred seventy-two.

Scientific notation

• Scientific notation: 6.68996473572 × 10¹¹

Factors of 668996473572

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 788

Divisors of 668996473572

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 163 252 326 489 613 652 978 1141 1226 1467 1839 1956 2282 2452 2934 3423 3678 4291 4564 5517 5868 6846 7356 8582 10269 11034 12873 13692 17164 20538 22068 25746 26569 38619 41076 51492 53138 77238 79707 99919 106276 154476 159414 185983 199838 239121 299757 318828 371966 399676 478242 557949 599514 699433 743932 899271 956484 1115898 1199028 1398866 1673847 1798542 2098299 2231796 2797732 3347694 3597084 4196598 4330747 6294897 6695388 8393196 8661494 12589794 12992241 16286797 17322988 25179588 25984482 30315229 32573594 38976723 48860391 51968964 60630458 65147188 77953446 90945687 97720782 114007579 121260916 146581173 155906892 181891374 195441564 228015158 272837061 293162346 342022737 363782748 456030316 545674122 586324692 684045474 1026068211 1091348244 1368090948 2052136422 2654747911 4104272844 5309495822 7964243733 10618991644 15928487466 18583235377 23892731199 31856974932 37166470754 47785462398 55749706131 74332941508 95570924796 111499412262 167249118393 222998824524 334498236786 668996473572
• Sum of all divisors σ(n): 1947758700160
• Sum of proper divisors (its aliquot sum) s(n): 1278762226588
• 668996473572 is an abundant number, because the sum of its proper divisors (1278762226588) is greater than itself. Its abundance is 609765753016

Bases of 668996473572

• Binary: 1001101111000011010011000001001011100100₂
• Hexadecimal: 0x9BC34C12E4
• Base-36: 8JBZ86P0

Squares and roots of 668996473572

• 668996473572 squared (668996473572²) is 447556281651771694439184
• 668996473572 cubed (668996473572³) is 299413574150032070885861218217245248
• The square root of 668996473572 is 817922.0461462083
• The cube root of 668996473572 is 8745.9691848333

Scales and comparisons

• 668,996,473,572 seconds is equal to 21,272 years, 6 days, 17 hours, 46 minutes, 12 seconds.
• To count from 1 to 668,996,473,572 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 668996473572 cubic inches would be around 728.8 feet tall.

Recreational maths with 668996473572

• 668996473572 backwards is 275374699866
• The number of decimal digits it has is: 12
• The sum of 668996473572's digits is 72
• More coming soon!