21432803840

Names of 21432803840

• Cardinal: 21432803840 can be written as Twenty-one billion, four hundred thirty-two million, eight hundred three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.143280384 × 10¹⁰

Factors of 21432803840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2876

Divisors of 21432803840

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 61 64 70 80 98 112 122 128 140 160 196 224 244 245 256 280 305 320 392 427 448 488 490 512 560 610 640 784 854 896 976 980 1120 1220 1280 1568 1708 1792 1952 1960 2135 2240 2440 2560 2801 2989 3136 3416 3584 3904 3920 4270 4480 4880 5602 5978 6272 6832 7808 7840 8540 8960 9760 11204 11956 12544 13664 14005 14945 15616 15680 17080 17920 19520 19607 22408 23912 25088 27328 28010 29890 31232 31360 34160 39040 39214 44816 47824 54656 56020 59780 62720 68320 78080 78428 89632 95648 98035 109312 112040 119560 125440 136640 137249 156160 156856 170861 179264 191296 196070 218624 224080 239120 273280 274498 313712 341722 358528 382592 392140 448160 478240 546560 548996 627424 683444 686245 717056 765184 784280 854305 896320 956480 1093120 1097992 1196027 1254848 1366888 1372490 1434112 1530368 1568560 1708610 1792640 1912960 2195984 2392054 2509696 2733776 2744980 3137120 3417220 3585280 3825920 4391968 4784108 5019392 5467552 5489960 5980135 6274240 6834440 7170560 7651840 8372189 8783936 9568216 10038784 10935104 10979920 11960270 12548480 13668880 16744378 17567872 19136432 21870208 21959840 23920540 25096960 27337760 33488756 35135744 38272864 41860945 43740416 43919680 47841080 50193920 54675520 66977512 70271488 76545728 83721890 87480832 87839360 95682160 109351040 133955024 153091456 167443780 175678720 191364320 218702080 267910048 306182912 334887560 351357440 382728640 437404160 535820096 612365824 669775120 765457280 1071640192 1339550240 1530914560 2143280384 2679100480 3061829120 4286560768 5358200960 10716401920 21432803840
• Sum of all divisors σ(n): 60780120984
• Sum of proper divisors (its aliquot sum) s(n): 39347317144
• 21432803840 is an abundant number, because the sum of its proper divisors (39347317144) is greater than itself. Its abundance is 17914513304

Bases of 21432803840

• Binary: 10011111101011111101010001000000000₂
• Hexadecimal: 0x4FD7EA200
• Base-36: 9UGJDA8

Squares and roots of 21432803840

• 21432803840 squared (21432803840²) is 459365080443918745600
• 21432803840 cubed (21432803840³) is 9845481660100330595343663104000
• The square root of 21432803840 is 146399.4666656951
• The cube root of 21432803840 is 2777.7489774413

Scales and comparisons

• 21,432,803,840 seconds is equal to 681 years, 25 weeks, 5 days, 20 hours, 37 minutes, 20 seconds.
• To count from 1 to 21,432,803,840 would take you about one thousand, three hundred sixty-two 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 21432803840 cubic inches would be around 231.5 feet tall.

Recreational maths with 21432803840

• 21432803840 backwards is 04830823412
• 21432803840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21432803840's digits is 35
• More coming soon!