21329000

Names of 21329000

• Cardinal: 21329000 can be written as Twenty-one million, three hundred twenty-nine thousand.

Scientific notation

• Scientific notation: 2.1329 × 10⁷

Factors of 21329000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 302

Divisors of 21329000

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 20 22 25 28 35 40 44 50 55 56 70 77 88 100 110 125 140 154 175 200 220 250 275 277 280 308 350 385 440 500 550 554 616 700 770 875 1000 1100 1108 1375 1385 1400 1540 1750 1925 1939 2200 2216 2750 2770 3047 3080 3500 3850 3878 5500 5540 6094 6925 7000 7700 7756 9625 9695 11000 11080 12188 13850 15235 15400 15512 19250 19390 21329 24376 27700 30470 34625 38500 38780 42658 48475 55400 60940 69250 76175 77000 77560 85316 96950 106645 121880 138500 152350 170632 193900 213290 242375 277000 304700 380875 387800 426580 484750 533225 609400 761750 853160 969500 1066450 1523500 1939000 2132900 2666125 3047000 4265800 5332250 10664500 21329000
• Sum of all divisors σ(n): 62449920
• Sum of proper divisors (its aliquot sum) s(n): 41120920
• 21329000 is an abundant number, because the sum of its proper divisors (41120920) is greater than itself. Its abundance is 19791920

Bases of 21329000

• Binary: 1010001010111010001101000₂
• Hexadecimal: 0x1457468
• Base-36: CP5K8

Squares and roots of 21329000

• 21329000 squared (21329000²) is 454926241000000
• 21329000 cubed (21329000³) is 9703121794289000000000
• The square root of 21329000 is 4618.3330325995
• The cube root of 21329000 is 277.3257299341

Scales and comparisons

• 21,329,000 seconds is equal to 35 weeks, 1 day, 20 hours, 43 minutes, 20 seconds.
• To count from 1 to 21,329,000 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 21329000 cubic inches would be around 23.1 feet tall.

Recreational maths with 21329000

• 21329000 backwards is 00092312
• The number of decimal digits it has is: 8
• The sum of 21329000's digits is 17
• More coming soon!