6721691788242

Names of 6721691788242

• Cardinal: 6721691788242 can be written as Six trillion, seven hundred twenty-one billion, six hundred ninety-one million, seven hundred eighty-eight thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 6.721691788242 × 10¹²

Factors of 6721691788242

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 191

Divisors of 6721691788242

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 3 6 9 18 23 46 69 138 163 207 326 414 489 529 978 1058 1467 1587 2934 3174 3749 4761 7498 9522 11247 22494 26569 33741 53138 67482 79707 86227 159414 172454 239121 258681 478242 517362 611087 776043 1222174 1552086 1833261 3666522 4330747 5499783 8661494 10999566 12992241 14055001 25984482 28110002 38976723 42165003 77953446 84330006 99607181 126495009 199214362 252990018 298821543 597643086 705911761 896464629 1411823522 1792929258 2117735283 2290965163 4235470566 4581930326 6353205849 6872895489 12706411698 13745790978 16235970503 20618686467 32471941006 41237372934 48707911509 97415823018 146123734527 292247469054 373427321569 746854643138 1120281964707 2240563929414 3360845894121 6721691788242
• Sum of all divisors σ(n): 15318376720647
• Sum of proper divisors (its aliquot sum) s(n): 8596684932405
• 6721691788242 is an abundant number, because the sum of its proper divisors (8596684932405) is greater than itself. Its abundance is 1874993144163

Bases of 6721691788242

• Binary: 1100001110100000100000011010010001111010010₂
• Hexadecimal: 0x61D040D23D2
• Base-36: 2DRWHQPCI

Squares and roots of 6721691788242

• 6721691788242 squared (6721691788242²) is 45181140496119935769450564
• 6721691788242 cubed (6721691788242³) is 303693701056177454124664341766975468488
• The square root of 6721691788242 is 2592622.5695696627
• The cube root of 6721691788242 is 18872.3593874407

Scales and comparisons

• 6,721,691,788,242 seconds is equal to 213,729 years, 2 days, 15 hours, 50 minutes, 42 seconds.
• To count from 1 to 6,721,691,788,242 would take you about five hundred thirty-four thousand, three hundred twenty-two 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 6721691788242 cubic inches would be around 1572.7 feet tall.

Recreational maths with 6721691788242

• 6721691788242 backwards is 2428871961276
• The number of decimal digits it has is: 13
• The sum of 6721691788242's digits is 63
• More coming soon!