20209824

Names of 20209824

• Cardinal: 20209824 can be written as Twenty million, two hundred nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 2.0209824 × 10⁷

Factors of 20209824

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 141

Divisors of 20209824

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 32 36 46 48 54 69 72 81 92 96 108 113 138 144 162 184 207 216 226 243 276 288 324 339 368 414 432 452 486 552 621 648 678 736 828 864 904 972 1017 1104 1242 1296 1356 1656 1808 1863 1944 2034 2208 2484 2592 2599 2712 3051 3312 3616 3726 3888 4068 4968 5198 5424 5589 6102 6624 7452 7776 7797 8136 9153 9936 10396 10848 11178 12204 14904 15594 16272 18306 19872 20792 22356 23391 24408 27459 29808 31188 32544 36612 41584 44712 46782 48816 54918 59616 62376 70173 73224 83168 89424 93564 97632 109836 124752 140346 146448 178848 187128 210519 219672 249504 280692 292896 374256 421038 439344 561384 631557 748512 842076 878688 1122768 1263114 1684152 2245536 2526228 3368304 5052456 6736608 10104912 20209824
• Sum of all divisors σ(n): 62741952
• Sum of proper divisors (its aliquot sum) s(n): 42532128
• 20209824 is an abundant number, because the sum of its proper divisors (42532128) is greater than itself. Its abundance is 22322304

Bases of 20209824

• Binary: 1001101000110000010100000₂
• Hexadecimal: 0x13460A0
• Base-36: C1600

Squares and roots of 20209824

• 20209824 squared (20209824²) is 408436986110976
• 20209824 cubed (20209824³) is 8254439604393269428224
• The square root of 20209824 is 4495.5337836569
• The cube root of 20209824 is 272.3877112195

Scales and comparisons

• 20,209,824 seconds is equal to 33 weeks, 2 days, 21 hours, 50 minutes, 24 seconds.
• To count from 1 to 20,209,824 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 20209824 cubic inches would be around 22.7 feet tall.

Recreational maths with 20209824

• 20209824 backwards is 42890202
• 20209824 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20209824's digits is 27
• More coming soon!