20310920

Names of 20310920

• Cardinal: 20310920 can be written as Twenty million, three hundred ten thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.031092 × 10⁷

Factors of 20310920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 282

Divisors of 20310920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 17 20 28 34 35 40 56 68 70 85 119 136 140 170 238 251 280 289 340 476 502 578 595 680 952 1004 1156 1190 1255 1445 1757 2008 2023 2312 2380 2510 2890 3514 4046 4267 4760 5020 5780 7028 8092 8534 8785 10040 10115 11560 14056 16184 17068 17570 20230 21335 29869 34136 35140 40460 42670 59738 70280 72539 80920 85340 119476 145078 149345 170680 238952 290156 298690 362695 507773 580312 597380 725390 1015546 1194760 1450780 2031092 2538865 2901560 4062184 5077730 10155460 20310920
• Sum of all divisors σ(n): 55702080
• Sum of proper divisors (its aliquot sum) s(n): 35391160
• 20310920 is an abundant number, because the sum of its proper divisors (35391160) is greater than itself. Its abundance is 15080240

Bases of 20310920

• Binary: 1001101011110101110001000₂
• Hexadecimal: 0x135EB88
• Base-36: C3C08

Squares and roots of 20310920

• 20310920 squared (20310920²) is 412533471246400
• 20310920 cubed (20310920³) is 8378934331807930688000
• The square root of 20310920 is 4506.7638056593
• The cube root of 20310920 is 272.8411461173

Scales and comparisons

• 20,310,920 seconds is equal to 33 weeks, 4 days, 1 hour, 55 minutes, 20 seconds.
• To count from 1 to 20,310,920 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 20310920 cubic inches would be around 22.7 feet tall.

Recreational maths with 20310920

• 20310920 backwards is 02901302
• 20310920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20310920's digits is 17
• More coming soon!