20481500

Names of 20481500

• Cardinal: 20481500 can be written as Twenty million, four hundred eighty-one thousand, five hundred.

Scientific notation

• Scientific notation: 2.04815 × 10⁷

Factors of 20481500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 180

Divisors of 20481500

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 13 20 23 25 26 46 50 52 65 92 100 115 125 130 137 230 250 260 274 299 325 460 500 548 575 598 650 685 1150 1196 1300 1370 1495 1625 1781 2300 2740 2875 2990 3151 3250 3425 3562 5750 5980 6302 6500 6850 7124 7475 8905 11500 12604 13700 14950 15755 17125 17810 29900 31510 34250 35620 37375 40963 44525 63020 68500 74750 78775 81926 89050 149500 157550 163852 178100 204815 222625 315100 393875 409630 445250 787750 819260 890500 1024075 1575500 2048150 4096300 5120375 10240750 20481500
• Sum of all divisors σ(n): 50633856
• Sum of proper divisors (its aliquot sum) s(n): 30152356
• 20481500 is an abundant number, because the sum of its proper divisors (30152356) is greater than itself. Its abundance is 9670856

Bases of 20481500

• Binary: 1001110001000010111011100₂
• Hexadecimal: 0x13885DC
• Base-36: C6ZMK

Squares and roots of 20481500

• 20481500 squared (20481500²) is 419491842250000
• 20481500 cubed (20481500³) is 8591822167043375000000
• The square root of 20481500 is 4525.6491247113
• The cube root of 20481500 is 273.6028308987

Scales and comparisons

• 20,481,500 seconds is equal to 33 weeks, 6 days, 1 hour, 18 minutes, 20 seconds.
• To count from 1 to 20,481,500 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 20481500 cubic inches would be around 22.8 feet tall.

Recreational maths with 20481500

• 20481500 backwards is 00518402
• 20481500 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20481500's digits is 20
• More coming soon!