20820240

Names of 20820240

• Cardinal: 20820240 can be written as Twenty million, eight hundred twenty thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.082024 × 10⁷

Factors of 20820240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 34

Divisors of 20820240

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 27 28 30 34 35 36 40 42 45 48 51 54 56 60 63 68 70 72 80 81 84 85 90 102 105 108 112 119 120 126 135 136 140 144 153 162 168 170 180 189 204 210 216 238 240 243 252 255 270 272 280 306 315 324 336 340 357 360 378 405 408 420 432 459 476 486 504 510 540 560 567 595 612 630 648 680 714 720 729 756 765 810 816 840 918 945 952 972 1008 1020 1071 1080 1134 1190 1215 1224 1260 1296 1360 1377 1428 1458 1512 1530 1620 1680 1701 1785 1836 1890 1904 1944 2040 2142 2160 2187 2268 2295 2380 2430 2448 2520 2754 2835 2856 2916 3024 3060 3213 3240 3402 3570 3645 3672 3780 3888 4080 4131 4284 4374 4536 4590 4760 4860 5040 5103 5355 5508 5670 5712 5832 6120 6426 6480 6804 6885 7140 7290 7344 7560 8262 8505 8568 8748 9072 9180 9520 9639 9720 10206 10710 10935 11016 11340 11664 12240 12393 12852 13608 13770 14280 14580 15120 15309 16065 16524 17010 17136 17496 18360 19278 19440 20412 20655 21420 21870 22032 22680 24786 25515 25704 27216 27540 28560 28917 29160 30618 32130 33048 34020 34992 36720 37179 38556 40824 41310 42840 43740 45360 48195 49572 51030 51408 55080 57834 58320 61236 61965 64260 66096 68040 74358 76545 77112 81648 82620 85680 86751 87480 96390 99144 102060 110160 115668 122472 123930 128520 136080 144585 148716 153090 154224 165240 173502 174960 185895 192780 198288 204120 231336 244944 247860 257040 260253 289170 297432 306180 330480 347004 371790 385560 408240 433755 462672 495720 520506 578340 594864 612360 694008 743580 771120 867510 991440 1041012 1156680 1224720 1301265 1388016 1487160 1735020 2082024 2313360 2602530 2974320 3470040 4164048 5205060 6940080 10410120 20820240
• Sum of all divisors σ(n): 87851520
• Sum of proper divisors (its aliquot sum) s(n): 67031280
• 20820240 is an abundant number, because the sum of its proper divisors (67031280) is greater than itself. Its abundance is 46211040

Bases of 20820240

• Binary: 1001111011011000100010000₂
• Hexadecimal: 0x13DB110
• Base-36: CE900

Squares and roots of 20820240

• 20820240 squared (20820240²) is 433482393657600
• 20820240 cubed (20820240³) is 9025207471725709824000
• The square root of 20820240 is 4562.9201176439
• The cube root of 20820240 is 275.1029476817

Scales and comparisons

• 20,820,240 seconds is equal to 34 weeks, 2 days, 23 hours, 24 minutes.
• To count from 1 to 20,820,240 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 20820240 cubic inches would be around 22.9 feet tall.

Recreational maths with 20820240

• 20820240 backwards is 04202802
• 20820240 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20820240's digits is 18
• More coming soon!