20199400

Names of 20199400

• Cardinal: 20199400 can be written as Twenty million, one hundred ninety-nine thousand, four hundred.

Scientific notation

• Scientific notation: 2.01994 × 10⁷

Factors of 20199400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 494

Divisors of 20199400

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 13 17 20 25 26 34 40 50 52 65 68 85 100 104 130 136 170 200 221 260 325 340 425 442 457 520 650 680 850 884 914 1105 1300 1700 1768 1828 2210 2285 2600 3400 3656 4420 4570 5525 5941 7769 8840 9140 11050 11425 11882 15538 18280 22100 22850 23764 29705 31076 38845 44200 45700 47528 59410 62152 77690 91400 100997 118820 148525 155380 194225 201994 237640 297050 310760 388450 403988 504985 594100 776900 807976 1009970 1188200 1553800 2019940 2524925 4039880 5049850 10099700 20199400
• Sum of all divisors σ(n): 53668440
• Sum of proper divisors (its aliquot sum) s(n): 33469040
• 20199400 is an abundant number, because the sum of its proper divisors (33469040) is greater than itself. Its abundance is 13269640

Bases of 20199400

• Binary: 1001101000011011111101000₂
• Hexadecimal: 0x13437E8
• Base-36: C0XYG

Squares and roots of 20199400

• 20199400 squared (20199400²) is 408015760360000
• 20199400 cubed (20199400³) is 8241673549815784000000
• The square root of 20199400 is 4494.3742612293
• The cube root of 20199400 is 272.3408716593

Scales and comparisons

• 20,199,400 seconds is equal to 33 weeks, 2 days, 18 hours, 56 minutes, 40 seconds.
• To count from 1 to 20,199,400 would take you about fifty 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 20199400 cubic inches would be around 22.7 feet tall.

Recreational maths with 20199400

• 20199400 backwards is 00499102
• 20199400 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20199400's digits is 25
• More coming soon!