21084101920
21,084,101,920 is an even composite number composed of five prime numbers multiplied together.
21084101920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21084101920:
25 × 5 × 7 × 31 × 607261
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 31 × 607261)See below for interesting mathematical facts about the number 21084101920 from the Numbermatics database.
Names of 21084101920
- Cardinal: 21084101920 can be written as Twenty-one billion, eighty-four million, one hundred one thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.108410192 × 1010
Factors of 21084101920
Divisors of 21084101920
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 70 80 112 124 140 155 160 217 224 248 280 310 434 496 560 620 868 992 1085 1120 1240 1736 2170 2480 3472 4340 4960 6944 8680 17360 34720 607261 1214522 2429044 3036305 4250827 4858088 6072610 8501654 9716176 12145220 17003308 18825091 19432352 21254135 24290440 34006616 37650182 42508270 48580880 68013232 75300364 85016540 94125455 97161760 131775637 136026464 150600728 170033080 188250910 263551274 301201456 340066160 376501820 527102548 602402912 658878185 680132320 753003640 1054205096 1317756370 1506007280 2108410192 2635512740 3012014560 4216820384 5271025480 10542050960 21084101920
- Sum of all divisors σ(n): 58763529216
- Sum of proper divisors (its aliquot sum) s(n): 37679427296
- 21084101920 is an abundant number, because the sum of its proper divisors (37679427296) is greater than itself. Its abundance is 16595325376
Bases of 21084101920
- Binary: 100111010001011010111011101001000002
- Hexadecimal: 0x4E8B5DD20
- Base-36: 9OOXH5S
Squares and roots of 21084101920
- 21084101920 squared (210841019202) is 444539353772947686400
- 21084101920 cubed (210841019203) is 9372713042399765558885797888000
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The
square root of 21084101920 is 145203.6567032663 -
The
cube root of 21084101920 is 2762.6022995223
Scales and comparisons
How big is 21084101920?- 21,084,101,920 seconds is equal to 670 years, 21 weeks, 1 day, 22 hours, 58 minutes, 40 seconds.
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To count from 1 to 21,084,101,920 would take you about one thousand, three hundred forty 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 21084101920 cubic inches would be around 230.2 feet tall.
Recreational maths with 21084101920
- 21084101920 backwards is 02910148012
- 21084101920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21084101920's digits is 28
- More coming soon!
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The information we have on file for 21084101920 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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