21742084

Names of 21742084

• Cardinal: 21742084 can be written as Twenty-one million, seven hundred forty-two thousand and eighty-four.

Scientific notation

• Scientific notation: 2.1742084 × 10⁷

Factors of 21742084

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 98

Divisors of 21742084

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 13 14 23 26 28 46 49 52 53 91 92 98 106 161 182 196 212 299 322 343 364 371 598 637 644 686 689 742 1127 1196 1219 1274 1372 1378 1484 2093 2254 2438 2548 2597 2756 4186 4459 4508 4823 4876 5194 7889 8372 8533 8918 9646 10388 14651 15778 15847 17066 17836 18179 19292 29302 31556 31694 33761 34132 36358 58604 59731 63388 67522 72716 102557 110929 119462 135044 205114 221858 236327 238924 410228 418117 443716 472654 776503 836234 945308 1553006 1672468 3106012 5435521 10871042 21742084
• Sum of all divisors σ(n): 50803200
• Sum of proper divisors (its aliquot sum) s(n): 29061116
• 21742084 is an abundant number, because the sum of its proper divisors (29061116) is greater than itself. Its abundance is 7319032

Bases of 21742084

• Binary: 1010010111100001000000100₂
• Hexadecimal: 0x14BC204
• Base-36: CY0AS

Squares and roots of 21742084

• 21742084 squared (21742084²) is 472718216663056
• 21742084 cubed (21742084³) is 10277879175018363248704
• The square root of 21742084 is 4662.8407650271
• The cube root of 21742084 is 279.1046399459

Scales and comparisons

• 21,742,084 seconds is equal to 35 weeks, 6 days, 15 hours, 28 minutes, 4 seconds.
• To count from 1 to 21,742,084 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 21742084 cubic inches would be around 23.3 feet tall.

Recreational maths with 21742084

• 21742084 backwards is 48024712
• 21742084 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21742084's digits is 28
• More coming soon!