20556432

Names of 20556432

• Cardinal: 20556432 can be written as Twenty million, five hundred fifty-six thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.0556432 × 10⁷

Factors of 20556432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 236

Divisors of 20556432

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 79 104 117 139 144 156 158 208 234 237 278 312 316 417 468 474 556 624 632 711 834 936 948 1027 1112 1251 1264 1422 1668 1807 1872 1896 2054 2224 2502 2844 3081 3336 3614 3792 4108 5004 5421 5688 6162 6672 7228 8216 9243 10008 10842 10981 11376 12324 14456 16263 16432 18486 20016 21684 21962 24648 28912 32526 32943 36972 43368 43924 49296 65052 65886 73944 86736 87848 98829 130104 131772 142753 147888 175696 197658 260208 263544 285506 395316 428259 527088 571012 790632 856518 1142024 1284777 1581264 1713036 2284048 2569554 3426072 5139108 6852144 10278216 20556432
• Sum of all divisors σ(n): 63190400
• Sum of proper divisors (its aliquot sum) s(n): 42633968
• 20556432 is an abundant number, because the sum of its proper divisors (42633968) is greater than itself. Its abundance is 22077536

Bases of 20556432

• Binary: 1001110011010101010010000₂
• Hexadecimal: 0x139AA90
• Base-36: C8LG0

Squares and roots of 20556432

• 20556432 squared (20556432²) is 422566896570624
• 20556432 cubed (20556432³) is 8686467674805065453568
• The square root of 20556432 is 4533.9201580971
• The cube root of 20556432 is 273.9360853995

Scales and comparisons

• 20,556,432 seconds is equal to 33 weeks, 6 days, 22 hours, 7 minutes, 12 seconds.
• To count from 1 to 20,556,432 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 20556432 cubic inches would be around 22.8 feet tall.

Recreational maths with 20556432

• 20556432 backwards is 23465502
• The number of decimal digits it has is: 8
• The sum of 20556432's digits is 27
• More coming soon!