21413200

Names of 21413200

• Cardinal: 21413200 can be written as Twenty-one million, four hundred thirteen thousand, two hundred.

Scientific notation

• Scientific notation: 2.14132 × 10⁷

Factors of 21413200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 138

Divisors of 21413200

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 25 34 40 47 50 67 68 80 85 94 100 134 136 170 188 200 235 268 272 335 340 376 400 425 470 536 670 680 752 799 850 940 1072 1139 1175 1340 1360 1598 1675 1700 1880 2278 2350 2680 3149 3196 3350 3400 3760 3995 4556 4700 5360 5695 6298 6392 6700 6800 7990 9112 9400 11390 12596 12784 13400 15745 15980 18224 18800 19975 22780 25192 26800 28475 31490 31960 39950 45560 50384 53533 56950 62980 63920 78725 79900 91120 107066 113900 125960 157450 159800 214132 227800 251920 267665 314900 319600 428264 455600 535330 629800 856528 1070660 1259600 1338325 2141320 2676650 4282640 5353300 10706600 21413200
• Sum of all divisors σ(n): 56460672
• Sum of proper divisors (its aliquot sum) s(n): 35047472
• 21413200 is an abundant number, because the sum of its proper divisors (35047472) is greater than itself. Its abundance is 13634272

Bases of 21413200

• Binary: 1010001101011110101010000₂
• Hexadecimal: 0x146BD50
• Base-36: CQYJ4

Squares and roots of 21413200

• 21413200 squared (21413200²) is 458525134240000
• 21413200 cubed (21413200³) is 9818490404507968000000
• The square root of 21413200 is 4627.4398969625
• The cube root of 21413200 is 277.6901815649

Scales and comparisons

• 21,413,200 seconds is equal to 35 weeks, 2 days, 20 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,413,200 would take you about eighteen hours!

  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 21413200 cubic inches would be around 23.1 feet tall.

Recreational maths with 21413200

• 21413200 backwards is 00231412
• The number of decimal digits it has is: 8
• The sum of 21413200's digits is 13
• More coming soon!