13978642678

Names of 13978642678

• Cardinal: 13978642678 can be written as Thirteen billion, nine hundred seventy-eight million, six hundred forty-two thousand, six hundred seventy-eight.

Scientific notation

• Scientific notation: 1.3978642678 × 10¹⁰

Factors of 13978642678

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 310

Divisors of 13978642678

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 7 11 13 14 22 26 49 77 91 98 143 154 169 182 277 286 338 539 554 637 1001 1078 1183 1274 1859 1939 2002 2366 3047 3601 3718 3878 6094 7007 7202 8281 13013 13573 14014 16562 21329 25207 26026 27146 39611 42658 46813 50414 76729 79222 91091 93626 149303 153458 176449 182182 277277 298606 327691 352898 514943 537103 554554 655382 844019 997477 1029886 1074206 1688038 1940939 1994954 2293837 3604601 3759721 3881878 4587674 5908133 6982339 7209202 7519442 10972247 11816266 12967201 13964678 21944494 25232207 25934402 41356931 48876373 50464414 76805729 82713862 90770407 97752746 142639211 153611458 181540814 285278422 537640103 635392849 998474477 1075280206 1270785698 1996948954 6989321339 13978642678
• Sum of all divisors σ(n): 28917360612
• Sum of proper divisors (its aliquot sum) s(n): 14938717934
• 13978642678 is an abundant number, because the sum of its proper divisors (14938717934) is greater than itself. Its abundance is 960075256

Bases of 13978642678

• Binary: 1101000001001100010010100011110110₂
• Hexadecimal: 0x3413128F6
• Base-36: 6F6ITPY

Squares and roots of 13978642678

• 13978642678 squared (13978642678²) is 195402451119203011684
• 13978642678 cubed (13978642678³) is 2731461042600700084472095049752
• The square root of 13978642678 is 118231.3100578691
• The cube root of 13978642678 is 2408.9160646129

Scales and comparisons

• 13,978,642,678 seconds is equal to 444 years, 24 weeks, 5 days, 20 hours, 17 minutes, 58 seconds.
• To count from 1 to 13,978,642,678 would take you about eight hundred eighty-eight 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 13978642678 cubic inches would be around 200.7 feet tall.

Recreational maths with 13978642678

• 13978642678 backwards is 87624687931
• The number of decimal digits it has is: 11
• The sum of 13978642678's digits is 61
• More coming soon!