20497536

Names of 20497536

• Cardinal: 20497536 can be written as Twenty million, four hundred ninety-seven thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 2.0497536 × 10⁷

Factors of 20497536

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 664

Divisors of 20497536

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 128 144 162 192 216 243 288 324 384 432 486 576 648 659 864 972 1152 1296 1318 1728 1944 1977 2592 2636 3456 3888 3954 5184 5272 5931 7776 7908 10368 10544 11862 15552 15816 17793 21088 23724 31104 31632 35586 42176 47448 53379 63264 71172 84352 94896 106758 126528 142344 160137 189792 213516 253056 284688 320274 379584 427032 569376 640548 759168 854064 1138752 1281096 1708128 2277504 2562192 3416256 5124384 6832512 10248768 20497536
• Sum of all divisors σ(n): 61261200
• Sum of proper divisors (its aliquot sum) s(n): 40763664
• 20497536 is an abundant number, because the sum of its proper divisors (40763664) is greater than itself. Its abundance is 20266128

Bases of 20497536

• Binary: 1001110001100010010000000₂
• Hexadecimal: 0x138C480
• Base-36: C7C00

Squares and roots of 20497536

• 20497536 squared (20497536²) is 420148982071296
• 20497536 cubed (20497536³) is 8612018885369744326656
• The square root of 20497536 is 4527.4204576115
• The cube root of 20497536 is 273.6742180925

Scales and comparisons

• 20,497,536 seconds is equal to 33 weeks, 6 days, 5 hours, 45 minutes, 36 seconds.
• To count from 1 to 20,497,536 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 20497536 cubic inches would be around 22.8 feet tall.

Recreational maths with 20497536

• 20497536 backwards is 63579402
• 20497536 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20497536's digits is 36
• More coming soon!