21365375520
21,365,375,520 is an even composite number composed of five prime numbers multiplied together.
21365375520 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 21365375520:
25 × 3 × 5 × 412 × 26479
(2 × 2 × 2 × 2 × 2 × 3 × 5 × 41 × 41 × 26479)See below for interesting mathematical facts about the number 21365375520 from the Numbermatics database.
Names of 21365375520
- Cardinal: 21365375520 can be written as Twenty-one billion, three hundred sixty-five million, three hundred seventy-five thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.136537552 × 1010
Factors of 21365375520
Divisors of 21365375520
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 41 48 60 80 82 96 120 123 160 164 205 240 246 328 410 480 492 615 656 820 984 1230 1312 1640 1681 1968 2460 3280 3362 3936 4920 5043 6560 6724 8405 9840 10086 13448 16810 19680 20172 25215 26479 26896 33620 40344 50430 52958 53792 67240 79437 80688 100860 105916 132395 134480 158874 161376 201720 211832 264790 268960 317748 397185 403440 423664 529580 635496 794370 806880 847328 1059160 1085639 1270992 1588740 2118320 2171278 2541984 3177480 3256917 4236640 4342556 5428195 6354960 6513834 8685112 10856390 12709920 13027668 16284585 17370224 21712780 26055336 32569170 34740448 43425560 44511199 52110672 65138340 86851120 89022398 104221344 130276680 133533597 173702240 178044796 222555995 260553360 267067194 356089592 445111990 521106720 534134388 667667985 712179184 890223980 1068268776 1335335970 1424358368 1780447960 2136537552 2670671940 3560895920 4273075104 5341343880 7121791840 10682687760 21365375520
- Sum of all divisors σ(n): 68985060480
- Sum of proper divisors (its aliquot sum) s(n): 47619684960
- 21365375520 is an abundant number, because the sum of its proper divisors (47619684960) is greater than itself. Its abundance is 26254309440
Bases of 21365375520
- Binary: 100111110010111100111000010001000002
- Hexadecimal: 0x4F979C220
- Base-36: 9TCE59C
Squares and roots of 21365375520
- 21365375520 squared (213653755202) is 456479271110615270400
- 21365375520 cubed (213653755203) is 9752851044374182710342340608000
-
The
square root of 21365375520 is 146168.9964390533 -
The
cube root of 21365375520 is 2774.8329535027
Scales and comparisons
How big is 21365375520?- 21,365,375,520 seconds is equal to 679 years, 18 weeks, 2 days, 10 hours, 32 minutes.
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To count from 1 to 21,365,375,520 would take you about one thousand, three hundred fifty-eight 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 21365375520 cubic inches would be around 231.2 feet tall.
Recreational maths with 21365375520
- 21365375520 backwards is 02557356312
- The number of decimal digits it has is: 11
- The sum of 21365375520's digits is 39
- More coming soon!
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The information we have on file for 21365375520 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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