21309083397
21,309,083,397 is an odd composite number composed of five prime numbers multiplied together.
21309083397 is an odd 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 21309083397:
33 × 72 × 31 × 432 × 281
(3 × 3 × 3 × 7 × 7 × 31 × 43 × 43 × 281)See below for interesting mathematical facts about the number 21309083397 from the Numbermatics database.
Names of 21309083397
- Cardinal: 21309083397 can be written as Twenty-one billion, three hundred nine million, eighty-three thousand, three hundred ninety-seven.
Scientific notation
- Scientific notation: 2.1309083397 × 1010
Factors of 21309083397
Divisors of 21309083397
- Number of divisors d(n): 144
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Complete list of divisors:
1 3 7 9 21 27 31 43 49 63 93 129 147 189 217 279 281 301 387 441 651 837 843 903 1161 1323 1333 1519 1849 1953 1967 2107 2529 2709 3999 4557 5547 5859 5901 6321 7587 8127 8711 9331 11997 12083 12943 13671 13769 16641 17703 18963 26133 27993 35991 36249 38829 41013 41307 49923 53109 56889 57319 60977 65317 78399 83979 84581 90601 108747 116487 123921 171957 182931 195951 235197 251937 253743 271803 326241 349461 371763 374573 401233 426839 515871 519569 548793 587853 592067 761229 815409 1123719 1203699 1280517 1547613 1558707 1646379 1763559 1776201 2283687 2446227 2622011 2808631 3371157 3611097 3636983 3841551 4676121 5328603 7866033 8425893 10113471 10833291 10910949 11524653 14028363 15985809 16106639 18354077 23598099 25277679 25458881 32732847 48319917 55062231 70794297 75833037 76376643 98198541 112746473 144959751 165186693 229129929 338239419 434879253 495560079 687389787 789225311 1014718257 2367675933 3044154771 7103027799 21309083397
- Sum of all divisors σ(n): 38947944960
- Sum of proper divisors (its aliquot sum) s(n): 17638861563
- 21309083397 is a deficient number, because the sum of its proper divisors (17638861563) is less than itself. Its deficiency is 3670221834
Bases of 21309083397
- Binary: 100111101100001111011001111000001012
- Hexadecimal: 0x4F61ECF05
- Base-36: 9SEVLZ9
Squares and roots of 21309083397
- 21309083397 squared (213090833972) is 454077035220301059609
- 21309083397 cubed (213090833973) is 9675965412171901546655649211773
-
The
square root of 21309083397 is 145976.3110816273 -
The
cube root of 21309083397 is 2772.3938260473
Scales and comparisons
How big is 21309083397?- 21,309,083,397 seconds is equal to 677 years, 29 weeks, 1 day, 21 hours, 49 minutes, 57 seconds.
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To count from 1 to 21,309,083,397 would take you about one thousand, three hundred fifty-five 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 21309083397 cubic inches would be around 231 feet tall.
Recreational maths with 21309083397
- 21309083397 backwards is 79338090312
- The number of decimal digits it has is: 11
- The sum of 21309083397's digits is 45
- More coming soon!
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The information we have on file for 21309083397 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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