21713454

Names of 21713454

• Cardinal: 21713454 can be written as Twenty-one million, seven hundred thirteen thousand, four hundred fifty-four.

Scientific notation

• Scientific notation: 2.1713454 × 10⁷

Factors of 21713454

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 169

Divisors of 21713454

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 27 31 34 42 51 54 62 63 93 102 109 119 126 153 186 189 217 218 238 279 306 327 357 378 434 459 527 558 651 654 714 763 837 918 981 1054 1071 1302 1526 1581 1674 1853 1953 1962 2142 2289 2943 3162 3213 3379 3689 3706 3906 4578 4743 5559 5859 5886 6426 6758 6867 7378 9486 10137 11067 11118 11718 12971 13734 14229 16677 20274 20601 22134 23653 25942 28458 30411 33201 33354 38913 41202 47306 50031 57443 60822 66402 70959 77826 91233 99603 100062 114886 116739 141918 172329 182466 199206 212877 233478 344658 350217 402101 425754 516987 638631 700434 804202 1033974 1206303 1277262 1550961 2412606 3101922 3618909 7237818 10856727 21713454
• Sum of all divisors σ(n): 60825600
• Sum of proper divisors (its aliquot sum) s(n): 39112146
• 21713454 is an abundant number, because the sum of its proper divisors (39112146) is greater than itself. Its abundance is 17398692

Bases of 21713454

• Binary: 1010010110101001000101110₂
• Hexadecimal: 0x14B522E
• Base-36: CXE7I

Squares and roots of 21713454

• 21713454 squared (21713454²) is 471474084610116
• 21713454 cubed (21713454³) is 10237330848373861700664
• The square root of 21713454 is 4659.7697368005
• The cube root of 21713454 is 278.9820777017

Scales and comparisons

• 21,713,454 seconds is equal to 35 weeks, 6 days, 7 hours, 30 minutes, 54 seconds.
• To count from 1 to 21,713,454 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 21713454 cubic inches would be around 23.2 feet tall.

Recreational maths with 21713454

• 21713454 backwards is 45431712
• 21713454 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21713454's digits is 27
• More coming soon!