13200840

Names of 13200840

• Cardinal: 13200840 can be written as Thirteen million, two hundred thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.320084 × 10⁷

Factors of 13200840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 746

Divisors of 13200840

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 17 18 20 24 27 30 34 36 40 45 51 54 60 68 72 85 90 102 108 120 135 136 153 170 180 204 216 255 270 306 340 360 408 459 510 540 612 680 719 765 918 1020 1080 1224 1438 1530 1836 2040 2157 2295 2876 3060 3595 3672 4314 4590 5752 6120 6471 7190 8628 9180 10785 12223 12942 14380 17256 18360 19413 21570 24446 25884 28760 32355 36669 38826 43140 48892 51768 61115 64710 73338 77652 86280 97065 97784 110007 122230 129420 146676 155304 183345 194130 220014 244460 258840 293352 330021 366690 388260 440028 488920 550035 660042 733380 776520 880056 1100070 1320084 1466760 1650105 2200140 2640168 3300210 4400280 6600420 13200840
• Sum of all divisors σ(n): 46656000
• Sum of proper divisors (its aliquot sum) s(n): 33455160
• 13200840 is an abundant number, because the sum of its proper divisors (33455160) is greater than itself. Its abundance is 20254320

Bases of 13200840

• Binary: 110010010110110111001000₂
• Hexadecimal: 0xC96DC8
• Base-36: 7UXU0

Squares and roots of 13200840

• 13200840 squared (13200840²) is 174262176705600
• 13200840 cubed (13200840³) is 2300407112742352704000
• The square root of 13200840 is 3633.2960242733
• The cube root of 13200840 is 236.3381631145

Scales and comparisons

• 13,200,840 seconds is equal to 21 weeks, 5 days, 18 hours, 54 minutes.
• To count from 1 to 13,200,840 would take you about thirty-two 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 13200840 cubic inches would be around 19.7 feet tall.

Recreational maths with 13200840

• 13200840 backwards is 04800231
• 13200840 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13200840's digits is 18
• More coming soon!