20389320

Names of 20389320

• Cardinal: 20389320 can be written as Twenty million, three hundred eighty-nine thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.038932 × 10⁷

Factors of 20389320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 77

Divisors of 20389320

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 29 30 31 35 36 40 42 45 54 56 58 60 62 63 70 72 81 84 87 90 93 105 108 116 120 124 126 135 140 145 155 162 168 174 180 186 189 203 210 216 217 232 248 252 261 270 279 280 290 310 315 324 348 360 372 378 405 406 420 434 435 465 504 522 540 558 567 580 609 620 630 648 651 696 744 756 783 810 812 837 840 868 870 899 930 945 1015 1044 1080 1085 1116 1134 1160 1218 1240 1260 1302 1305 1395 1512 1566 1620 1624 1674 1736 1740 1798 1827 1860 1890 1953 2030 2088 2170 2232 2268 2349 2436 2511 2520 2604 2610 2697 2790 2835 3045 3132 3240 3255 3348 3480 3596 3654 3720 3780 3906 3915 4060 4185 4340 4495 4536 4698 4872 5022 5208 5220 5394 5481 5580 5670 5859 6090 6264 6293 6510 6696 7192 7308 7560 7812 7830 8091 8120 8370 8680 8990 9135 9396 9765 10044 10440 10788 10962 11160 11340 11718 11745 12180 12555 12586 13020 13485 14616 15624 15660 16182 16443 16740 17577 17980 18270 18792 18879 19530 20088 21576 21924 22680 23436 23490 24273 24360 25110 25172 26040 26970 27405 29295 31320 31465 32364 32886 33480 35154 35960 36540 37758 39060 40455 43848 46872 46980 48546 50220 50344 53940 54810 56637 58590 62930 64728 65772 70308 72819 73080 75516 78120 80910 82215 87885 93960 94395 97092 100440 107880 109620 113274 117180 121365 125860 131544 140616 145638 151032 161820 164430 169911 175770 188790 194184 219240 226548 234360 242730 251720 283185 291276 323640 328860 339822 351540 364095 377580 453096 485460 509733 566370 582552 657720 679644 703080 728190 755160 849555 970920 1019466 1132740 1359288 1456380 1699110 2038932 2265480 2548665 2912760 3398220 4077864 5097330 6796440 10194660 20389320
• Sum of all divisors σ(n): 83635200
• Sum of proper divisors (its aliquot sum) s(n): 63245880
• 20389320 is an abundant number, because the sum of its proper divisors (63245880) is greater than itself. Its abundance is 42856560

Bases of 20389320

• Binary: 1001101110001110111001000₂
• Hexadecimal: 0x1371DC8
• Base-36: C50I0

Squares and roots of 20389320

• 20389320 squared (20389320²) is 415724370062400
• 20389320 cubed (20389320³) is 8476337213000693568000
• The square root of 20389320 is 4515.4534656001
• The cube root of 20389320 is 273.1917503245

Scales and comparisons

• 20,389,320 seconds is equal to 33 weeks, 4 days, 23 hours, 42 minutes.
• To count from 1 to 20,389,320 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 20389320 cubic inches would be around 22.8 feet tall.

Recreational maths with 20389320

• 20389320 backwards is 02398302
• 20389320 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20389320's digits is 27
• More coming soon!