21460000

Names of 21460000

• Cardinal: 21460000 can be written as Twenty-one million, four hundred sixty thousand.

Scientific notation

• Scientific notation: 2.146 × 10⁷

Factors of 21460000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 73

Divisors of 21460000

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 29 32 37 40 50 58 74 80 100 116 125 145 148 160 185 200 232 250 290 296 370 400 464 500 580 592 625 725 740 800 925 928 1000 1073 1160 1184 1250 1450 1480 1850 2000 2146 2320 2500 2900 2960 3625 3700 4000 4292 4625 4640 5000 5365 5800 5920 7250 7400 8584 9250 10000 10730 11600 14500 14800 17168 18125 18500 20000 21460 23125 23200 26825 29000 29600 34336 36250 37000 42920 46250 53650 58000 72500 74000 85840 92500 107300 116000 134125 145000 148000 171680 185000 214600 268250 290000 370000 429200 536500 580000 670625 740000 858400 1073000 1341250 2146000 2682500 4292000 5365000 10730000 21460000
• Sum of all divisors σ(n): 56091420
• Sum of proper divisors (its aliquot sum) s(n): 34631420
• 21460000 is an abundant number, because the sum of its proper divisors (34631420) is greater than itself. Its abundance is 13171420

Bases of 21460000

• Binary: 1010001110111010000100000₂
• Hexadecimal: 0x1477420
• Base-36: CRYN4

Squares and roots of 21460000

• 21460000 squared (21460000²) is 460531600000000
• 21460000 cubed (21460000³) is 9883008136000000000000
• The square root of 21460000 is 4632.4939287601
• The cube root of 21460000 is 277.8923379321

Scales and comparisons

• 21,460,000 seconds is equal to 35 weeks, 3 days, 9 hours, 6 minutes, 40 seconds.
• To count from 1 to 21,460,000 would take you about thirteen 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 21460000 cubic inches would be around 23.2 feet tall.

Recreational maths with 21460000

• 21460000 backwards is 00006412
• The number of decimal digits it has is: 8
• The sum of 21460000's digits is 13
• More coming soon!