20115200

Names of 20115200

• Cardinal: 20115200 can be written as Twenty million, one hundred fifteen thousand, two hundred.

Scientific notation

• Scientific notation: 2.01152 × 10⁷

Factors of 20115200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 463

Divisors of 20115200

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 256 280 320 350 400 448 449 560 640 700 800 896 898 1120 1280 1400 1600 1792 1796 2240 2245 2800 3143 3200 3592 4480 4490 5600 6286 6400 7184 8960 8980 11200 11225 12572 14368 15715 17960 22400 22450 25144 28736 31430 35920 44800 44900 50288 57472 62860 71840 78575 89800 100576 114944 125720 143680 157150 179600 201152 251440 287360 314300 359200 402304 502880 574720 628600 718400 804608 1005760 1257200 1436800 2011520 2514400 2873600 4023040 5028800 10057600 20115200
• Sum of all divisors σ(n): 57027600
• Sum of proper divisors (its aliquot sum) s(n): 36912400
• 20115200 is an abundant number, because the sum of its proper divisors (36912400) is greater than itself. Its abundance is 16797200

Bases of 20115200

• Binary: 1001100101110111100000000₂
• Hexadecimal: 0x132EF00
• Base-36: BZ4ZK

Squares and roots of 20115200

• 20115200 squared (20115200²) is 404621271040000
• 20115200 cubed (20115200³) is 8139037791223808000000
• The square root of 20115200 is 4484.9972129311
• The cube root of 20115200 is 271.9619323887

Scales and comparisons

• 20,115,200 seconds is equal to 33 weeks, 1 day, 19 hours, 33 minutes, 20 seconds.
• To count from 1 to 20,115,200 would take you about forty-nine 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 20115200 cubic inches would be around 22.7 feet tall.

Recreational maths with 20115200

• 20115200 backwards is 00251102
• The number of decimal digits it has is: 8
• The sum of 20115200's digits is 11
• More coming soon!