21388350672
21,388,350,672 is an even composite number composed of five prime numbers multiplied together.
21388350672 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21388350672:
24 × 35 × 132 × 43 × 757
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 13 × 13 × 43 × 757)See below for interesting mathematical facts about the number 21388350672 from the Numbermatics database.
Names of 21388350672
- Cardinal: 21388350672 can be written as Twenty-one billion, three hundred eighty-eight million, three hundred fifty thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1388350672 × 1010
Factors of 21388350672
Divisors of 21388350672
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 43 48 52 54 72 78 81 86 104 108 117 129 144 156 162 169 172 208 216 234 243 258 312 324 338 344 351 387 432 468 486 507 516 559 624 648 676 688 702 757 774 936 972 1014 1032 1053 1118 1161 1296 1352 1404 1514 1521 1548 1677 1872 1944 2028 2064 2106 2236 2271 2322 2704 2808 3028 3042 3096 3159 3354 3483 3888 4056 4212 4472 4542 4563 4644 5031 5616 6056 6084 6192 6318 6708 6813 6966 7267 8112 8424 8944 9084 9126 9288 9841 10062 10449 12112 12168 12636 13416 13626 13689 13932 14534 15093 16848 18168 18252 18576 19682 20124 20439 20898 21801 24336 25272 26832 27252 27378 27864 29068 29523 30186 32551 36336 36504 39364 40248 40878 41067 41796 43602 45279 50544 54504 54756 55728 58136 59046 60372 61317 65102 65403 73008 78728 80496 81756 82134 83592 87204 88569 90558 97653 109008 109512 116272 118092 120744 122634 127933 130204 130806 135837 157456 163512 164268 167184 174408 177138 181116 183951 195306 196209 219024 236184 241488 245268 255866 260408 261612 265707 271674 292959 327024 328536 348816 354276 362232 367902 383799 390612 392418 423163 472368 490536 511732 520816 523224 531414 543348 585918 588627 657072 708552 724464 735804 767598 781224 784836 797121 846326 878877 981072 1023464 1046448 1062828 1086696 1151397 1171836 1177254 1269489 1417104 1471608 1535196 1562448 1569672 1594242 1692652 1757754 1765881 2046928 2125656 2173392 2302794 2343672 2354508 2391363 2538978 2636631 2943216 3070392 3139344 3188484 3385304 3454191 3515508 3531762 3808467 4251312 4605588 4687344 4709016 4782726 5077956 5273262 5501119 6140784 6376968 6770608 6908382 7031016 7063524 7616934 7909893 9211176 9418032 9565452 10155912 10362573 10546524 11002238 11425401 12753936 13816764 14062032 14127048 15233868 15819786 16503357 18422352 19130904 20311824 20725146 21093048 22004476 22850802 27633528 28254096 30467736 31087719 31639572 33006714 34276203 38261808 41450292 42186096 44008952 45701604 49510071 55267056 60935472 62175438 63279144 66013428 68552406 82900584 88017904 91403208 99020142 102828609 124350876 126558288 132026856 137104812 148530213 165801168 182806416 198040284 205657218 248701752 264053712 274209624 297060426 396080568 411314436 445590639 497403504 548419248 594120852 792161136 822628872 891181278 1188241704 1336771917 1645257744 1782362556 2376483408 2673543834 3564725112 5347087668 7129450224 10694175336 21388350672
- Sum of all divisors σ(n): 68870946144
- Sum of proper divisors (its aliquot sum) s(n): 47482595472
- 21388350672 is an abundant number, because the sum of its proper divisors (47482595472) is greater than itself. Its abundance is 26094244800
Bases of 21388350672
- Binary: 100111110101101100001010100110100002
- Hexadecimal: 0x4FAD854D0
- Base-36: 9TQ2L00
Squares and roots of 21388350672
- 21388350672 squared (213883506722) is 457461544468442851584
- 21388350672 cubed (213883506723) is 9784347932045777547470242664448
-
The
square root of 21388350672 is 146247.5663797521 -
The
cube root of 21388350672 is 2775.8272315359
Scales and comparisons
How big is 21388350672?- 21,388,350,672 seconds is equal to 680 years, 4 weeks, 2 days, 8 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,388,350,672 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 21388350672 cubic inches would be around 231.3 feet tall.
Recreational maths with 21388350672
- 21388350672 backwards is 27605388312
- The number of decimal digits it has is: 11
- The sum of 21388350672's digits is 45
- More coming soon!
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The information we have on file for 21388350672 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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