13615980

Names of 13615980

• Cardinal: 13615980 can be written as Thirteen million, six hundred fifteen thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.361598 × 10⁷

Factors of 13615980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1941

Divisors of 13615980

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 51 60 68 70 84 85 102 105 119 140 170 204 210 238 255 340 357 420 476 510 595 714 1020 1190 1428 1785 1907 2380 3570 3814 5721 7140 7628 9535 11442 13349 19070 22884 26698 28605 32419 38140 40047 53396 57210 64838 66745 80094 97257 114420 129676 133490 160188 162095 194514 200235 226933 266980 324190 389028 400470 453866 486285 648380 680799 800940 907732 972570 1134665 1361598 1945140 2269330 2723196 3403995 4538660 6807990 13615980
• Sum of all divisors σ(n): 46158336
• Sum of proper divisors (its aliquot sum) s(n): 32542356
• 13615980 is an abundant number, because the sum of its proper divisors (32542356) is greater than itself. Its abundance is 18926376

Bases of 13615980

• Binary: 110011111100001101101100₂
• Hexadecimal: 0xCFC36C
• Base-36: 83U5O

Squares and roots of 13615980

• 13615980 squared (13615980²) is 185394911360400
• 13615980 cubed (13615980³) is 2524333405184979192000
• The square root of 13615980 is 3689.9837398015
• The cube root of 13615980 is 238.7900913093

Scales and comparisons

• 13,615,980 seconds is equal to 22 weeks, 3 days, 14 hours, 13 minutes.
• To count from 1 to 13,615,980 would take you about thirty-three weeks!

  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 13615980 cubic inches would be around 19.9 feet tall.

Recreational maths with 13615980

• 13615980 backwards is 08951631
• The number of decimal digits it has is: 8
• The sum of 13615980's digits is 33
• More coming soon!