20907828

Names of 20907828

• Cardinal: 20907828 can be written as Twenty million, nine hundred seven thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0907828 × 10⁷

Factors of 20907828

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 490

Divisors of 20907828

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 9 12 18 19 23 27 36 38 46 54 57 69 76 92 108 114 138 171 207 228 276 342 414 437 443 513 621 684 828 874 886 1026 1242 1311 1329 1748 1772 2052 2484 2622 2658 3933 3987 5244 5316 7866 7974 8417 10189 11799 11961 15732 15948 16834 20378 23598 23922 25251 30567 33668 40756 47196 47844 50502 61134 75753 91701 101004 122268 151506 183402 193591 227259 275103 303012 366804 387182 454518 550206 580773 774364 909036 1100412 1161546 1742319 2323092 3484638 5226957 6969276 10453914 20907828
• Sum of all divisors σ(n): 59673600
• Sum of proper divisors (its aliquot sum) s(n): 38765772
• 20907828 is an abundant number, because the sum of its proper divisors (38765772) is greater than itself. Its abundance is 17857944

Bases of 20907828

• Binary: 1001111110000011100110100₂
• Hexadecimal: 0x13F0734
• Base-36: CG4L0

Squares and roots of 20907828

• 20907828 squared (20907828²) is 437137271677584
• 20907828 cubed (20907828³) is 9139590888624197727552
• The square root of 20907828 is 4572.5078458107
• The cube root of 20907828 is 275.4881818991

Scales and comparisons

• 20,907,828 seconds is equal to 34 weeks, 3 days, 23 hours, 43 minutes, 48 seconds.
• To count from 1 to 20,907,828 would take you about fifty-one 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 20907828 cubic inches would be around 23 feet tall.

Recreational maths with 20907828

• 20907828 backwards is 82870902
• 20907828 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20907828's digits is 36
• More coming soon!