21300384

Names of 21300384

• Cardinal: 21300384 can be written as Twenty-one million, three hundred thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1300384 × 10⁷

Factors of 21300384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1134

Divisors of 21300384

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 29 32 42 48 56 58 84 87 96 112 116 168 174 203 224 232 336 348 406 464 609 672 696 812 928 1093 1218 1392 1624 2186 2436 2784 3248 3279 4372 4872 6496 6558 7651 8744 9744 13116 15302 17488 19488 22953 26232 30604 31697 34976 45906 52464 61208 63394 91812 95091 104928 122416 126788 183624 190182 221879 244832 253576 367248 380364 443758 507152 665637 734496 760728 887516 1014304 1331274 1521456 1775032 2662548 3042912 3550064 5325096 7100128 10650192 21300384
• Sum of all divisors σ(n): 66165120
• Sum of proper divisors (its aliquot sum) s(n): 44864736
• 21300384 is an abundant number, because the sum of its proper divisors (44864736) is greater than itself. Its abundance is 23564352

Bases of 21300384

• Binary: 1010001010000010010100000₂
• Hexadecimal: 0x14504A0
• Base-36: COJHC

Squares and roots of 21300384

• 21300384 squared (21300384²) is 453706358547456
• 21300384 cubed (21300384³) is 9664119660302495023104
• The square root of 21300384 is 4615.2339052315
• The cube root of 21300384 is 277.2016499677

Scales and comparisons

• 21,300,384 seconds is equal to 35 weeks, 1 day, 12 hours, 46 minutes, 24 seconds.
• To count from 1 to 21,300,384 would take you about five 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 21300384 cubic inches would be around 23.1 feet tall.

Recreational maths with 21300384

• 21300384 backwards is 48300312
• 21300384 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21300384's digits is 21
• More coming soon!