768721249281842

Names of 768721249281842

• Cardinal: 768721249281842 can be written as Seven hundred sixty-eight trillion, seven hundred twenty-one billion, two hundred forty-nine million, two hundred eighty-one thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 7.68721249281842 × 10¹⁴

Factors of 768721249281842

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1516042298

Divisors of 768721249281842

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 23 46 73 146 151 302 1679 3358 3473 6946 11023 22046 253529 507058 1516042049 3032084098 34868967127 69737934254 110671069577 221342139154 228922349399 457844698798 2545434600271 5090869200542 5265214036177 10530428072354 16711331506127 33422663012254 384360624640921 768721249281842
• Sum of all divisors σ(n): 1227775750444800
• Sum of proper divisors (its aliquot sum) s(n): 459054501162958
• 768721249281842 is a deficient number, because the sum of its proper divisors (459054501162958) is less than itself. Its deficiency is 309666748118884

Bases of 768721249281842

• Binary: 10101110110010010111011100111111101010011100110010₂
• Hexadecimal: 0x2BB25DCFEA732
• Base-36: 7KHLO0106Q

Squares and roots of 768721249281842

• 768721249281842 squared (768721249281842²) is 590932359097435869600750912964
• 768721249281842 cubed (768721249281842³) is 454262261326446972329629893511591210847599688
• The square root of 768721249281842 is 27725822.7881850605
• The cube root of 768721249281842 is 91605.7979461013

Scales and comparisons

• 768,721,249,281,842 seconds is equal to 24,442,957 years, 47 weeks, 4 days, 12 hours, 4 minutes, 2 seconds.
• To count from 1 to 768,721,249,281,842 would take you about sixty-one million, one hundred seven thousand, three hundred ninety-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 768721249281842 cubic inches would be around 7633.8 feet tall.

Recreational maths with 768721249281842

• 768721249281842 backwards is 248182942127867
• The number of decimal digits it has is: 15
• The sum of 768721249281842's digits is 71
• More coming soon!