21384347520
21,384,347,520 is an even composite number composed of six prime numbers multiplied together.
21384347520 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21384347520:
27 × 3 × 5 × 23 × 683 × 709
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 23 × 683 × 709)See below for interesting mathematical facts about the number 21384347520 from the Numbermatics database.
Names of 21384347520
- Cardinal: 21384347520 can be written as Twenty-one billion, three hundred eighty-four million, three hundred forty-seven thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.138434752 × 1010
Factors of 21384347520
Divisors of 21384347520
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 115 120 128 138 160 184 192 230 240 276 320 345 368 384 460 480 552 640 683 690 709 736 920 960 1104 1366 1380 1418 1472 1840 1920 2049 2127 2208 2732 2760 2836 2944 3415 3545 3680 4098 4254 4416 5464 5520 5672 6830 7090 7360 8196 8508 8832 10245 10635 10928 11040 11344 13660 14180 14720 15709 16307 16392 17016 20490 21270 21856 22080 22688 27320 28360 31418 32614 32784 34032 40980 42540 43712 44160 45376 47127 48921 54640 56720 62836 65228 65568 68064 78545 81535 81960 85080 87424 90752 94254 97842 109280 113440 125672 130456 131136 136128 157090 163070 163920 170160 188508 195684 218560 226880 235635 244605 251344 260912 262272 272256 314180 326140 327840 340320 377016 391368 437120 453760 471270 484247 489210 502688 521824 628360 652280 655680 680640 754032 782736 942540 968494 978420 1005376 1043648 1256720 1304560 1311360 1361280 1452741 1508064 1565472 1885080 1936988 1956840 2010752 2087296 2421235 2513440 2609120 2905482 3016128 3130944 3770160 3873976 3913680 4842470 5026880 5218240 5810964 6032256 6261888 7263705 7540320 7747952 7827360 9684940 10053760 10436480 11137681 11621928 14527410 15080640 15495904 15654720 19369880 22275362 23243856 29054820 30161280 30991808 31309440 33413043 38739760 44550724 46487712 55688405 58109640 61983616 66826086 77479520 89101448 92975424 111376810 116219280 133652172 154959040 167065215 178202896 185950848 222753620 232438560 267304344 309918080 334130430 356405792 445507240 464877120 534608688 668260860 712811584 891014480 929754240 1069217376 1336521720 1425623168 1782028960 2138434752 2673043440 3564057920 4276869504 5346086880 7128115840 10692173760 21384347520
- Sum of all divisors σ(n): 71330803200
- Sum of proper divisors (its aliquot sum) s(n): 49946455680
- 21384347520 is an abundant number, because the sum of its proper divisors (49946455680) is greater than itself. Its abundance is 28562108160
Bases of 21384347520
- Binary: 100111110101001101100111111100000002
- Hexadecimal: 0x4FA9B3F80
- Base-36: 9TNOS5C
Squares and roots of 21384347520
- 21384347520 squared (213843475202) is 457290318856130150400
- 21384347520 cubed (213843475203) is 9778855095951096018503467008000
-
The
square root of 21384347520 is 146233.8795218125 -
The
cube root of 21384347520 is 2775.6540414375
Scales and comparisons
How big is 21384347520?- 21,384,347,520 seconds is equal to 679 years, 49 weeks, 5 days, 32 minutes.
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To count from 1 to 21,384,347,520 would take you about one thousand, three hundred fifty-nine 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 21384347520 cubic inches would be around 231.3 feet tall.
Recreational maths with 21384347520
- 21384347520 backwards is 02574348312
- The number of decimal digits it has is: 11
- The sum of 21384347520's digits is 39
- More coming soon!
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