20502240

Names of 20502240

• Cardinal: 20502240 can be written as Twenty million, five hundred two thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.050224 × 10⁷

Factors of 20502240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 374

Divisors of 20502240

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 121 132 160 165 176 220 240 242 264 330 352 353 363 440 480 484 528 605 660 706 726 880 968 1056 1059 1210 1320 1412 1452 1760 1765 1815 1936 2118 2420 2640 2824 2904 3530 3630 3872 3883 4236 4840 5280 5295 5648 5808 7060 7260 7766 8472 9680 10590 11296 11616 11649 14120 14520 15532 16944 19360 19415 21180 23298 28240 29040 31064 33888 38830 42360 42713 46596 56480 58080 58245 62128 77660 84720 85426 93192 116490 124256 128139 155320 169440 170852 186384 213565 232980 256278 310640 341704 372768 427130 465960 512556 621280 640695 683408 854260 931920 1025112 1281390 1366816 1708520 1863840 2050224 2562780 3417040 4100448 5125560 6834080 10251120 20502240
• Sum of all divisors σ(n): 71187984
• Sum of proper divisors (its aliquot sum) s(n): 50685744
• 20502240 is an abundant number, because the sum of its proper divisors (50685744) is greater than itself. Its abundance is 30183504

Bases of 20502240

• Binary: 1001110001101011011100000₂
• Hexadecimal: 0x138D6E0
• Base-36: C7FMO

Squares and roots of 20502240

• 20502240 squared (20502240²) is 420341845017600
• 20502240 cubed (20502240³) is 8617949388593639424000
• The square root of 20502240 is 4527.9399289303
• The cube root of 20502240 is 273.6951517477

Scales and comparisons

• 20,502,240 seconds is equal to 33 weeks, 6 days, 7 hours, 4 minutes.
• To count from 1 to 20,502,240 would take you about fifty weeks!

  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 20502240 cubic inches would be around 22.8 feet tall.

Recreational maths with 20502240

• 20502240 backwards is 04220502
• 20502240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20502240's digits is 15
• More coming soon!