21349726720
21,349,726,720 is an even composite number composed of five prime numbers multiplied together.
21349726720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21349726720:
29 × 5 × 7 × 61 × 19531
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 61 × 19531)See below for interesting mathematical facts about the number 21349726720 from the Numbermatics database.
Names of 21349726720
- Cardinal: 21349726720 can be written as Twenty-one billion, three hundred forty-nine million, seven hundred twenty-six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.134972672 × 1010
Factors of 21349726720
Divisors of 21349726720
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 61 64 70 80 112 122 128 140 160 224 244 256 280 305 320 427 448 488 512 560 610 640 854 896 976 1120 1220 1280 1708 1792 1952 2135 2240 2440 2560 3416 3584 3904 4270 4480 4880 6832 7808 8540 8960 9760 13664 15616 17080 17920 19520 19531 27328 31232 34160 39040 39062 54656 68320 78080 78124 97655 109312 136640 136717 156160 156248 195310 218624 273280 273434 312496 390620 546560 546868 624992 683585 781240 1093120 1093736 1191391 1249984 1367170 1562480 2187472 2382782 2499968 2734340 3124960 4374944 4765564 4999936 5468680 5956955 6249920 8339737 8749888 9531128 9999872 10937360 11913910 12499840 16679474 17499776 19062256 21874720 23827820 24999680 33358948 34999552 38124512 41698685 43749440 47655640 49999360 66717896 69999104 76249024 83397370 87498880 95311280 133435792 152498048 166794740 174997760 190622560 266871584 304996096 333589480 349995520 381245120 533743168 609992192 667178960 762490240 1067486336 1334357920 1524980480 2134972672 2668715840 3049960960 4269945344 5337431680 10674863360 21349726720
- Sum of all divisors σ(n): 59464158336
- Sum of proper divisors (its aliquot sum) s(n): 38114431616
- 21349726720 is an abundant number, because the sum of its proper divisors (38114431616) is greater than itself. Its abundance is 16764704896
Bases of 21349726720
- Binary: 100111110001000101011111010000000002
- Hexadecimal: 0x4F88AFA00
- Base-36: 9T32QKG
Squares and roots of 21349726720
- 21349726720 squared (213497267202) is 455810831018681958400
- 21349726720 cubed (213497267203) is 9731436678264959026434408448000
-
The
square root of 21349726720 is 146115.4568141235 -
The
cube root of 21349726720 is 2774.1553242285
Scales and comparisons
How big is 21349726720?- 21,349,726,720 seconds is equal to 678 years, 44 weeks, 3 days, 7 hours, 38 minutes, 40 seconds.
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To count from 1 to 21,349,726,720 would take you about one thousand, three hundred fifty-seven 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 21349726720 cubic inches would be around 231.2 feet tall.
Recreational maths with 21349726720
- 21349726720 backwards is 02762794312
- The number of decimal digits it has is: 11
- The sum of 21349726720's digits is 43
- More coming soon!
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The information we have on file for 21349726720 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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