21389885440
21,389,885,440 is an even composite number composed of five prime numbers multiplied together.
21389885440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21389885440:
214 × 5 × 7 × 11 × 3391
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 11 × 3391)See below for interesting mathematical facts about the number 21389885440 from the Numbermatics database.
Names of 21389885440
- Cardinal: 21389885440 can be written as Twenty-one billion, three hundred eighty-nine million, eight hundred eighty-five thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.138988544 × 1010
Factors of 21389885440
Divisors of 21389885440
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 128 140 154 160 176 220 224 256 280 308 320 352 385 440 448 512 560 616 640 704 770 880 896 1024 1120 1232 1280 1408 1540 1760 1792 2048 2240 2464 2560 2816 3080 3391 3520 3584 4096 4480 4928 5120 5632 6160 6782 7040 7168 8192 8960 9856 10240 11264 12320 13564 14080 14336 16384 16955 17920 19712 20480 22528 23737 24640 27128 28160 28672 33910 35840 37301 39424 40960 45056 47474 49280 54256 56320 57344 67820 71680 74602 78848 81920 90112 94948 98560 108512 112640 114688 118685 135640 143360 149204 157696 180224 186505 189896 197120 217024 225280 237370 261107 271280 286720 298408 315392 373010 379792 394240 434048 450560 474740 522214 542560 573440 596816 630784 746020 759584 788480 868096 901120 949480 1044428 1085120 1193632 1261568 1305535 1492040 1519168 1576960 1736192 1898960 2088856 2170240 2387264 2611070 2984080 3038336 3153920 3472384 3797920 4177712 4340480 4774528 5222140 5968160 6076672 6307840 6944768 7595840 8355424 8680960 9549056 10444280 11936320 12153344 13889536 15191680 16710848 17361920 19098112 20888560 23872640 24306688 27779072 30383360 33421696 34723840 38196224 41777120 47745280 48613376 55558144 60766720 66843392 69447680 76392448 83554240 95490560 97226752 121533440 133686784 138895360 152784896 167108480 190981120 194453504 243066880 267373568 277790720 305569792 334216960 381962240 388907008 486133760 534747136 611139584 668433920 763924480 972267520 1069494272 1336867840 1527848960 1944535040 2138988544 2673735680 3055697920 4277977088 5347471360 10694942720 21389885440
- Sum of all divisors σ(n): 64019902464
- Sum of proper divisors (its aliquot sum) s(n): 42630017024
- 21389885440 is an abundant number, because the sum of its proper divisors (42630017024) is greater than itself. Its abundance is 21240131584
Bases of 21389885440
- Binary: 100111110101110111111000000000000002
- Hexadecimal: 0x4FAEFC000
- Base-36: 9TQZH8G
Squares and roots of 21389885440
- 21389885440 squared (213898854402) is 457527199136323993600
- 21389885440 cubed (213898854403) is 9786454375210037165827293184000
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The
square root of 21389885440 is 146252.8134430241 -
The
cube root of 21389885440 is 2775.8936251375
Scales and comparisons
How big is 21389885440?- 21,389,885,440 seconds is equal to 680 years, 6 weeks, 6 days, 2 hours, 50 minutes, 40 seconds.
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To count from 1 to 21,389,885,440 would take you about one thousand, three hundred sixty 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 21389885440 cubic inches would be around 231.3 feet tall.
Recreational maths with 21389885440
- 21389885440 backwards is 04458898312
- The number of decimal digits it has is: 11
- The sum of 21389885440's digits is 52
- More coming soon!
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The information we have on file for 21389885440 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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