21387420906075
21,387,420,906,075 is an odd composite number composed of five prime numbers multiplied together.
21387420906075 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 21387420906075:
33 × 52 × 72 × 592 × 4312
(3 × 3 × 3 × 5 × 5 × 7 × 7 × 59 × 59 × 431 × 431)See below for interesting mathematical facts about the number 21387420906075 from the Numbermatics database.
Names of 21387420906075
- Cardinal: 21387420906075 can be written as Twenty-one trillion, three hundred eighty-seven billion, four hundred twenty million, nine hundred six thousand and seventy-five.
Scientific notation
- Scientific notation: 2.1387420906075 × 1013
Factors of 21387420906075
Divisors of 21387420906075
- Number of divisors d(n): 324
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Complete list of divisors:
1 3 5 7 9 15 21 25 27 35 45 49 59 63 75 105 135 147 175 177 189 225 245 295 315 413 431 441 525 531 675 735 885 945 1225 1239 1293 1323 1475 1575 1593 2065 2155 2205 2655 2891 3017 3481 3675 3717 3879 4425 4725 6195 6465 6615 7965 8673 9051 10325 10443 10775 11025 11151 11637 13275 14455 15085 17405 18585 19395 21119 24367 25429 26019 27153 30975 31329 32325 33075 39825 43365 45255 52215 55755 58185 63357 72275 73101 75425 76287 78057 81459 87025 92925 93987 96975 105595 121835 127145 130095 135765 156645 170569 178003 185761 190071 216825 219303 226275 228861 261075 278775 290925 316785 365505 381435 390285 407295 469935 511707 527975 534009 557283 570213 609175 635725 650475 657909 678825 686583 783225 852845 890015 928805 950355 1096515 1144305 1246021 1300327 1500311 1535121 1583925 1602027 1671849 1827525 1907175 1951425 2036475 2349675 2558535 2670045 2786415 2851065 3289545 3432915 3738063 3900981 4264225 4450075 4500933 4605363 4644025 4751775 4806081 5015547 5482575 5721525 6230105 6501635 7501555 7675605 8010135 8359245 9102289 10502177 10959899 11214189 11702943 12792675 13350225 13502799 13932075 14255325 16447725 17164575 18690315 19504905 22504665 23026815 24030405 25077735 27306867 31150525 31506531 32508175 32879697 33642567 35108829 37507775 38378025 40050675 40508397 41796225 45511445 52510885 54799495 56070945 58514715 67513995 73515239 76719293 81920601 93451575 94519593 97524525 98639091 112523325 115134075 120152025 125388675 136534335 157532655 164398485 168212835 175544145 202541985 220545717 227557225 230157879 245761803 262554425 273997475 280354725 283558779 292573575 295917273 337569975 367576195 383596465 409603005 472597965 493195455 537035051 646634041 661637151 682671675 690473637 787663275 821992425 841064175 877720725 1012709925 1102728585 1150789395 1228809015 1417793895 1479586365 1611105153 1837880975 1917982325 1939902123 1984911453 2048015025 2071420911 2362989825 2465977275 2685175255 3233170205 3308185755 3452368185 4526438287 4833315459 5513642925 5753946975 5819706369 6144045075 7088969475 7397931825 8055525765 9699510615 9924557265 10357104555 13425876275 13579314861 14499946377 16165851025 16540928775 17261840925 17459119107 22632191435 24166577295 29098531845 31685068009 40277628825 40737944583 48497553075 49622786325 51785522775 67896574305 72499731885 87295595535 95055204027 113160957175 120832886475 122213833749 145492659225 158425340045 203689722915 285165612081 339482871525 362498659425 436477977675 475276020135 611069168745 792126700225 855496836243 1018448614575 1425828060405 2376380100675 3055345843725 4277484181215 7129140302025 21387420906075
- Sum of all divisors σ(n): 46599989310840
- Sum of proper divisors (its aliquot sum) s(n): 25212568404765
- 21387420906075 is an abundant number, because the sum of its proper divisors (25212568404765) is greater than itself. Its abundance is 3825147498690
Bases of 21387420906075
- Binary: 1001101110011101001011010000000110010010110112
- Hexadecimal: 0x1373A5A0325B
- Base-36: 7KX8U780R
Squares and roots of 21387420906075
- 21387420906075 squared (213874209060752) is 457421773013613973971905625
- 21387420906075 cubed (213874209060753) is 9783071991045260762516495268831889171875
-
The
square root of 21387420906075 is 4624653.5984952429 -
The
cube root of 21387420906075 is 27757.8700859683
Scales and comparisons
How big is 21387420906075?- 21,387,420,906,075 seconds is equal to 680,053 years, 43 weeks, 19 hours, 41 minutes, 15 seconds.
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To count from 1 to 21,387,420,906,075 would take you about one million, seven hundred thousand, one hundred thirty-four 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 21387420906075 cubic inches would be around 2313.2 feet tall.
Recreational maths with 21387420906075
- 21387420906075 backwards is 57060902478312
- The number of decimal digits it has is: 14
- The sum of 21387420906075's digits is 54
- More coming soon!
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The information we have on file for 21387420906075 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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