20308320

Names of 20308320

• Cardinal: 20308320 can be written as Twenty million, three hundred eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.030832 × 10⁷

Factors of 20308320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1577

Divisors of 20308320

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 405 432 480 540 648 720 810 864 1080 1296 1440 1567 1620 2160 2592 3134 3240 4320 4701 6268 6480 7835 9402 12536 12960 14103 15670 18804 23505 25072 28206 31340 37608 42309 47010 50144 56412 62680 70515 75216 84618 94020 112824 125360 126927 141030 150432 169236 188040 211545 225648 250720 253854 282060 338472 376080 423090 451296 507708 564120 634635 676944 752160 846180 1015416 1128240 1269270 1353888 1692360 2030832 2256480 2538540 3384720 4061664 5077080 6769440 10154160 20308320
• Sum of all divisors σ(n): 71717184
• Sum of proper divisors (its aliquot sum) s(n): 51408864
• 20308320 is an abundant number, because the sum of its proper divisors (51408864) is greater than itself. Its abundance is 31100544

Bases of 20308320

• Binary: 1001101011110000101100000₂
• Hexadecimal: 0x135E160
• Base-36: C3A00

Squares and roots of 20308320

• 20308320 squared (20308320²) is 412427861222400
• 20308320 cubed (20308320³) is 8375716982620090368000
• The square root of 20308320 is 4506.4753411063
• The cube root of 20308320 is 272.8295034925

Scales and comparisons

• 20,308,320 seconds is equal to 33 weeks, 4 days, 1 hour, 12 minutes.
• To count from 1 to 20,308,320 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 20308320 cubic inches would be around 22.7 feet tall.

Recreational maths with 20308320

• 20308320 backwards is 02380302
• 20308320 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20308320's digits is 18
• More coming soon!