21344821505920

Names of 21344821505920

• Cardinal: 21344821505920 can be written as Twenty-one trillion, three hundred forty-four billion, eight hundred twenty-one million, five hundred five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.134482150592 × 10¹³

Factors of 21344821505920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 15732

Divisors of 21344821505920

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 320 352 440 484 605 640 704 880 968 1210 1331 1408 1760 1801 1936 2420 2662 3520 3602 3872 4840 5324 6655 7040 7204 7744 9005 9680 10648 13310 13913 14408 15488 18010 19360 19811 21296 26620 27826 28816 36020 38720 39622 42592 53240 55652 57632 69565 72040 77440 79244 85184 99055 106480 111304 115264 139130 144080 153043 158488 170368 198110 212960 217921 222608 230528 278260 288160 306086 316976 396220 425920 435842 445216 556520 576320 612172 633952 765215 792440 851840 871684 890432 1089605 1113040 1152640 1224344 1267904 1530430 1584880 1683473 1743368 1780864 2179210 2226080 2397131 2448688 2535808 3060860 3169760 3366946 3486736 4358420 4452160 4794262 4897376 6121720 6339520 6733892 6973472 8417365 8716840 8904320 9588524 9794752 11985655 12243440 12679040 13467784 13946944 16834730 17433680 18518203 19177048 19589504 23971310 24486880 25057313 26935568 27893888 33669460 34867360 37036406 38354096 47942620 48973760 50114626 53871136 67338920 69734720 74072812 76708192 92591015 95885240 97947520 100229252 107742272 125286565 134677840 139469440 148145624 153416384 185182030 191770480 200458504 215484544 250573130 269355680 275630443 296291248 306832768 370364060 383540960 400917008 501146260 538711360 551260886 592582496 740728120 767081920 801834016 1002292520 1077422720 1102521772 1185164992 1378152215 1481456240 1534163840 1603668032 2004585040 2205043544 2370329984 2756304430 2962912480 3031934873 3207336064 4009170080 4410087088 5512608860 5925824960 6063869746 8018340160 8820174176 11025217720 11851649920 12127739492 15159674365 16036680320 17640348352 22050435440 24255478984 30319348730 33351283603 35280696704 44100870880 48510957968 60638697460 66702567206 88201741760 97021915936 121277394920 133405134412 166756418015 176403483520 194043831872 242554789840 266810268824 333512836030 388087663744 485109579680 533620537648 667025672060 970219159360 1067241075296 1334051344120 1940438318720 2134482150592 2668102688240 4268964301184 5336205376480 10672410752960 21344821505920
• Sum of all divisors σ(n): 56161576877760
• Sum of proper divisors (its aliquot sum) s(n): 34816755371840
• 21344821505920 is an abundant number, because the sum of its proper divisors (34816755371840) is greater than itself. Its abundance is 13471933865920

Bases of 21344821505920

• Binary: 100110110100110111010100000001110111110000000₂
• Hexadecimal: 0x1369BA80EF80
• Base-36: 7KDOBM8HS

Squares and roots of 21344821505920

• 21344821505920 squared (21344821505920²) is 455601405119584936595046400
• 21344821505920 cubed (21344821505920³) is 9724730670123886944018026016860274688000
• The square root of 21344821505920 is 4620045.6172985997
• The cube root of 21344821505920 is 27739.4284893953

Scales and comparisons

• 21,344,821,505,920 seconds is equal to 678,699 years, 15 weeks, 4 days, 4 hours, 58 minutes, 40 seconds.
• To count from 1 to 21,344,821,505,920 would take you about one million, six hundred ninety-six thousand, seven hundred forty-eight years!

  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 21344821505920 cubic inches would be around 2311.6 feet tall.

Recreational maths with 21344821505920

• 21344821505920 backwards is 02950512844312
• The number of decimal digits it has is: 14
• The sum of 21344821505920's digits is 46
• More coming soon!