21388473225
21,388,473,225 is an odd composite number composed of five prime numbers multiplied together.
21388473225 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 21388473225:
34 × 52 × 7 × 1092 × 127
(3 × 3 × 3 × 3 × 5 × 5 × 7 × 109 × 109 × 127)See below for interesting mathematical facts about the number 21388473225 from the Numbermatics database.
Names of 21388473225
- Cardinal: 21388473225 can be written as Twenty-one billion, three hundred eighty-eight million, four hundred seventy-three thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 2.1388473225 × 1010
Factors of 21388473225
Divisors of 21388473225
- Number of divisors d(n): 180
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Complete list of divisors:
1 3 5 7 9 15 21 25 27 35 45 63 75 81 105 109 127 135 175 189 225 315 327 381 405 525 545 567 635 675 763 889 945 981 1143 1575 1635 1905 2025 2289 2667 2725 2835 2943 3175 3429 3815 4445 4725 4905 5715 6867 8001 8175 8829 9525 10287 11445 11881 13335 13843 14175 14715 17145 19075 20601 22225 24003 24525 28575 34335 35643 40005 41529 44145 51435 57225 59405 61803 66675 69215 72009 73575 83167 85725 96901 103005 106929 120015 124587 171675 178215 200025 207645 220725 249501 257175 290703 297025 309015 320787 346075 360045 373761 415835 484505 515025 534645 600075 622935 748503 872109 891075 962361 1038225 1121283 1247505 1453515 1508887 1545075 1603935 1800225 1868805 2079175 2245509 2422525 2616327 2673225 3114675 3742515 4360545 4526661 4811805 5606415 6237525 6736527 7267575 7544435 7848981 8019675 9344025 10562209 11227545 13081635 13579983 18712575 21802725 22633305 24059025 28032075 31686627 33682635 37722175 39244905 40739949 52811045 56137725 65408175 67899915 95059881 113166525 122219847 158433135 168413175 196224525 203699745 264055225 285179643 339499575 475299405 611099235 792165675 855538929 1018498725 1425898215 2376497025 3055496175 4277694645 7129491075 21388473225
- Sum of all divisors σ(n): 46057718784
- Sum of proper divisors (its aliquot sum) s(n): 24669245559
- 21388473225 is an abundant number, because the sum of its proper divisors (24669245559) is greater than itself. Its abundance is 3280772334
Bases of 21388473225
- Binary: 100111110101101101000110011100010012
- Hexadecimal: 0x4FADA3389
- Base-36: 9TQ57K9
Squares and roots of 21388473225
- 21388473225 squared (213884732252) is 457466786896541900625
- 21388473225 cubed (213884732253) is 9784516122863467286608423265625
-
The
square root of 21388473225 is 146247.9853707393 -
The
cube root of 21388473225 is 2775.8325332583
Scales and comparisons
How big is 21388473225?- 21,388,473,225 seconds is equal to 680 years, 4 weeks, 3 days, 18 hours, 33 minutes, 45 seconds.
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To count from 1 to 21,388,473,225 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 21388473225 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388473225
- 21388473225 backwards is 52237488312
- 21388473225 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21388473225's digits is 45
- More coming soon!
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The information we have on file for 21388473225 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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