21363030

Names of 21363030

• Cardinal: 21363030 can be written as Twenty-one million, three hundred sixty-three thousand and thirty.

Scientific notation

• Scientific notation: 2.136303 × 10⁷

Factors of 21363030

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 73

Divisors of 21363030

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 19 26 30 31 38 39 45 57 62 65 78 90 93 95 114 117 130 155 171 186 190 195 234 247 279 285 310 342 390 403 465 494 558 570 585 589 741 806 855 930 961 1170 1178 1209 1235 1395 1482 1710 1767 1922 2015 2223 2418 2470 2790 2883 2945 3534 3627 3705 4030 4446 4805 5301 5766 5890 6045 7254 7410 7657 8649 8835 9610 10602 11115 12090 12493 14415 15314 17298 17670 18135 18259 22230 22971 24986 26505 28830 36270 36518 37479 38285 43245 45942 53010 54777 62465 68913 74958 76570 86490 91295 109554 112437 114855 124930 137826 164331 182590 187395 224874 229710 237367 273885 328662 344565 374790 474734 547770 562185 689130 712101 821655 1124370 1186835 1424202 1643310 2136303 2373670 3560505 4272606 7121010 10681515 21363030
• Sum of all divisors σ(n): 65061360
• Sum of proper divisors (its aliquot sum) s(n): 43698330
• 21363030 is an abundant number, because the sum of its proper divisors (43698330) is greater than itself. Its abundance is 22335300

Bases of 21363030

• Binary: 1010001011111100101010110₂
• Hexadecimal: 0x145F956
• Base-36: CPVTI

Squares and roots of 21363030

• 21363030 squared (21363030²) is 456379050780900
• 21363030 cubed (21363030³) is 9749639353203890127000
• The square root of 21363030 is 4622.0157940013
• The cube root of 21363030 is 277.4731408141

Scales and comparisons

• 21,363,030 seconds is equal to 35 weeks, 2 days, 6 hours, 10 minutes, 30 seconds.
• To count from 1 to 21,363,030 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 21363030 cubic inches would be around 23.1 feet tall.

Recreational maths with 21363030

• 21363030 backwards is 03036312
• 21363030 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21363030's digits is 18
• More coming soon!