68339784208920

Names of 68339784208920

• Cardinal: 68339784208920 can be written as Sixty-eight trillion, three hundred thirty-nine billion, seven hundred eighty-four million, two hundred eight thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.833978420892 × 10¹³

Factors of 68339784208920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 81356885980

Divisors of 68339784208920

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 81356885963 162713771926 244070657889 325427543852 406784429815 488141315778 569498201741 650855087704 813568859630 976282631556 1138996403482 1220353289445 1627137719260 1708494605223 1952565263112 2277992806964 2440706578890 2847491008705 3254275438520 3416989210446 4555985613928 4881413157780 5694982017410 6833978420892 8542473026115 9762826315560 11389964034820 13667956841784 17084946052230 22779928069640 34169892104460 68339784208920
• Sum of all divisors σ(n): 234307831576320
• Sum of proper divisors (its aliquot sum) s(n): 165968047367400
• 68339784208920 is an abundant number, because the sum of its proper divisors (165968047367400) is greater than itself. Its abundance is 97628263158480

Bases of 68339784208920

• Binary: 1111100010011110011000100011111101001000011000₂
• Hexadecimal: 0x3E27988FD218
• Base-36: O82V31C0O

Squares and roots of 68339784208920

• 68339784208920 squared (68339784208920²) is 4670326105721751390207566400
• 68339784208920 cubed (68339784208920³) is 319169078250310184115873103383822372288000
• The square root of 68339784208920 is 8266788.0224982181
• The cube root of 68339784208920 is 40884.4225063467

Scales and comparisons

• 68,339,784,208,920 seconds is equal to 2,172,993 years, 38 weeks, 6 days, 15 hours, 22 minutes.
• To count from 1 to 68,339,784,208,920 would take you about five million, four hundred thirty-two thousand, four hundred eighty-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 68339784208920 cubic inches would be around 3407 feet tall.

Recreational maths with 68339784208920

• 68339784208920 backwards is 02980248793386
• The number of decimal digits it has is: 14
• The sum of 68339784208920's digits is 69
• More coming soon!