20126400

Names of 20126400

• Cardinal: 20126400 can be written as Twenty million, one hundred twenty-six thousand, four hundred.

Scientific notation

• Scientific notation: 2.01264 × 10⁷

Factors of 20126400

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 616

Divisors of 20126400

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 56 60 64 70 75 80 84 96 100 105 112 120 140 150 160 168 175 192 200 210 224 240 280 300 320 336 350 400 420 448 480 525 560 599 600 672 700 800 840 960 1050 1120 1198 1200 1344 1400 1600 1680 1797 2100 2240 2396 2400 2800 2995 3360 3594 4193 4200 4792 4800 5600 5990 6720 7188 8386 8400 8985 9584 11200 11980 12579 14376 14975 16772 16800 17970 19168 20965 23960 25158 28752 29950 33544 33600 35940 38336 41930 44925 47920 50316 57504 59900 62895 67088 71880 83860 89850 95840 100632 104825 115008 119800 125790 134176 143760 167720 179700 191680 201264 209650 239600 251580 268352 287520 314475 335440 359400 402528 419300 479200 503160 575040 628950 670880 718800 805056 838600 958400 1006320 1257900 1341760 1437600 1677200 2012640 2515800 2875200 3354400 4025280 5031600 6708800 10063200 20126400
• Sum of all divisors σ(n): 75590400
• Sum of proper divisors (its aliquot sum) s(n): 55464000
• 20126400 is an abundant number, because the sum of its proper divisors (55464000) is greater than itself. Its abundance is 35337600

Bases of 20126400

• Binary: 1001100110001101011000000₂
• Hexadecimal: 0x1331AC0
• Base-36: BZDMO

Squares and roots of 20126400

• 20126400 squared (20126400²) is 405071976960000
• 20126400 cubed (20126400³) is 8152640637087744000000
• The square root of 20126400 is 4486.2456464175
• The cube root of 20126400 is 272.0123985121

Scales and comparisons

• 20,126,400 seconds is equal to 33 weeks, 1 day, 22 hours, 40 minutes.
• To count from 1 to 20,126,400 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 20126400 cubic inches would be around 22.7 feet tall.

Recreational maths with 20126400

• 20126400 backwards is 00462102
• 20126400 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20126400's digits is 15
• More coming soon!