21364000

Names of 21364000

• Cardinal: 21364000 can be written as Twenty-one million, three hundred sixty-four thousand.

Scientific notation

• Scientific notation: 2.1364 × 10⁷

Factors of 21364000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 123

Divisors of 21364000

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 109 112 125 140 160 175 196 200 218 224 245 250 280 350 392 400 436 490 500 545 560 700 763 784 800 872 875 980 1000 1090 1120 1225 1400 1526 1568 1744 1750 1960 2000 2180 2450 2725 2800 3052 3488 3500 3815 3920 4000 4360 4900 5341 5450 5600 6104 6125 7000 7630 7840 8720 9800 10682 10900 12208 12250 13625 14000 15260 17440 19075 19600 21364 21800 24416 24500 26705 27250 28000 30520 38150 39200 42728 43600 49000 53410 54500 61040 76300 85456 87200 95375 98000 106820 109000 122080 133525 152600 170912 190750 196000 213640 218000 267050 305200 381500 427280 436000 534100 610400 667625 763000 854560 1068200 1335250 1526000 2136400 2670500 3052000 4272800 5341000 10682000 21364000
• Sum of all divisors σ(n): 61621560
• Sum of proper divisors (its aliquot sum) s(n): 40257560
• 21364000 is an abundant number, because the sum of its proper divisors (40257560) is greater than itself. Its abundance is 18893560

Bases of 21364000

• Binary: 1010001011111110100100000₂
• Hexadecimal: 0x145FD20
• Base-36: CPWKG

Squares and roots of 21364000

• 21364000 squared (21364000²) is 456420496000000
• 21364000 cubed (21364000³) is 9750967476544000000000
• The square root of 21364000 is 4622.1207253813
• The cube root of 21364000 is 277.4773403569

Scales and comparisons

• 21,364,000 seconds is equal to 35 weeks, 2 days, 6 hours, 26 minutes, 40 seconds.
• To count from 1 to 21,364,000 would take you about six days!

  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 21364000 cubic inches would be around 23.1 feet tall.

Recreational maths with 21364000

• 21364000 backwards is 00046312
• 21364000 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21364000's digits is 16
• More coming soon!