13201920

Names of 13201920

• Cardinal: 13201920 can be written as Thirteen million, two hundred one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.320192 × 10⁷

Factors of 13201920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 201

Divisors of 13201920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 191 192 216 240 256 270 288 320 360 382 384 432 480 512 540 573 576 640 720 764 768 864 955 960 1080 1146 1152 1280 1440 1528 1536 1719 1728 1910 1920 2160 2292 2304 2560 2865 2880 3056 3438 3456 3820 3840 4320 4584 4608 5157 5730 5760 6112 6876 6912 7640 7680 8595 8640 9168 10314 11460 11520 12224 13752 13824 15280 17190 17280 18336 20628 22920 23040 24448 25785 27504 30560 34380 34560 36672 41256 45840 48896 51570 55008 61120 68760 69120 73344 82512 91680 97792 103140 110016 122240 137520 146688 165024 183360 206280 220032 244480 275040 293376 330048 366720 412560 440064 488960 550080 660096 733440 825120 880128 1100160 1320192 1466880 1650240 2200320 2640384 3300480 4400640 6600960 13201920
• Sum of all divisors σ(n): 47139840
• Sum of proper divisors (its aliquot sum) s(n): 33937920
• 13201920 is an abundant number, because the sum of its proper divisors (33937920) is greater than itself. Its abundance is 20736000

Bases of 13201920

• Binary: 110010010111001000000000₂
• Hexadecimal: 0xC97200
• Base-36: 7UYO0

Squares and roots of 13201920

• 13201920 squared (13201920²) is 174290691686400
• 13201920 cubed (13201920³) is 2300971768388517888000
• The square root of 13201920 is 3633.4446466129
• The cube root of 13201920 is 236.3446081149

Scales and comparisons

• 13,201,920 seconds is equal to 21 weeks, 5 days, 19 hours, 12 minutes.
• To count from 1 to 13,201,920 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 13201920 cubic inches would be around 19.7 feet tall.

Recreational maths with 13201920

• 13201920 backwards is 02910231
• 13201920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 13201920's digits is 18
• More coming soon!