20007680

Names of 20007680

• Cardinal: 20007680 can be written as Twenty million, seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 2.000768 × 10⁷

Factors of 20007680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 54

Divisors of 20007680

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 29 32 35 40 44 49 55 56 58 64 70 77 80 88 98 110 112 116 128 140 145 154 160 176 196 203 220 224 232 245 256 280 290 308 319 320 352 385 392 406 440 448 464 490 539 560 580 616 638 640 704 770 784 812 880 896 928 980 1015 1078 1120 1160 1232 1276 1280 1408 1421 1540 1568 1595 1624 1760 1792 1856 1960 2030 2156 2233 2240 2320 2464 2552 2695 2816 2842 3080 3136 3190 3248 3520 3712 3920 4060 4312 4466 4480 4640 4928 5104 5390 5684 6160 6272 6380 6496 7040 7105 7424 7840 8120 8624 8932 8960 9280 9856 10208 10780 11165 11368 12320 12544 12760 12992 14080 14210 15631 15680 16240 17248 17864 18560 19712 20416 21560 22330 22736 24640 25520 25984 28420 31262 31360 32480 34496 35728 37120 40832 43120 44660 45472 49280 51040 51968 56840 62524 62720 64960 68992 71456 78155 81664 86240 89320 90944 98560 102080 113680 125048 129920 137984 142912 156310 172480 178640 181888 204160 227360 250096 259840 285824 312620 344960 357280 363776 408320 454720 500192 571648 625240 689920 714560 909440 1000384 1250480 1429120 1818880 2000768 2500960 2858240 4001536 5001920 10003840 20007680
• Sum of all divisors σ(n): 62914320
• Sum of proper divisors (its aliquot sum) s(n): 42906640
• 20007680 is an abundant number, because the sum of its proper divisors (42906640) is greater than itself. Its abundance is 22898960

Bases of 20007680

• Binary: 1001100010100101100000000₂
• Hexadecimal: 0x1314B00
• Base-36: BWU0W

Squares and roots of 20007680

• 20007680 squared (20007680²) is 400307258982400
• 20007680 cubed (20007680³) is 8009219539396984832000
• The square root of 20007680 is 4472.9945226883
• The cube root of 20007680 is 271.4765017587

Scales and comparisons

• 20,007,680 seconds is equal to 33 weeks, 13 hours, 41 minutes, 20 seconds.
• To count from 1 to 20,007,680 would take you about forty-nine 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 20007680 cubic inches would be around 22.6 feet tall.

Recreational maths with 20007680

• 20007680 backwards is 08670002
• The number of decimal digits it has is: 8
• The sum of 20007680's digits is 23
• More coming soon!