21408364208
21,408,364,208 is an even composite number composed of five prime numbers multiplied together.
21408364208 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21408364208:
24 × 73 × 11 × 672 × 79
(2 × 2 × 2 × 2 × 7 × 7 × 7 × 11 × 67 × 67 × 79)See below for interesting mathematical facts about the number 21408364208 from the Numbermatics database.
Names of 21408364208
- Cardinal: 21408364208 can be written as Twenty-one billion, four hundred eight million, three hundred sixty-four thousand, two hundred eight.
Scientific notation
- Scientific notation: 2.1408364208 × 1010
Factors of 21408364208
Divisors of 21408364208
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 7 8 11 14 16 22 28 44 49 56 67 77 79 88 98 112 134 154 158 176 196 268 308 316 343 392 469 536 539 553 616 632 686 737 784 869 938 1072 1078 1106 1232 1264 1372 1474 1738 1876 2156 2212 2744 2948 3283 3476 3752 3773 3871 4312 4424 4489 5159 5293 5488 5896 6083 6566 6952 7504 7546 7742 8624 8848 8978 10318 10586 11792 12166 13132 13904 15092 15484 17956 20636 21172 22981 24332 26264 27097 30184 30968 31423 35912 36113 37051 41272 42344 42581 45962 48664 49379 52528 54194 58223 60368 61936 62846 71824 72226 74102 82544 84688 85162 91924 97328 98758 108388 116446 125692 144452 148204 170324 183848 197516 216776 219961 232892 251384 252791 259357 288904 296408 298067 340648 345653 354631 367696 395032 407561 433552 439922 465784 502768 505582 518714 577808 592816 596134 681296 691306 709262 790064 815122 879844 931568 1011164 1037428 1192268 1382612 1418524 1539727 1630244 1759688 1815499 2022328 2074856 2384536 2419571 2482417 2765224 2837048 2852927 3079454 3260488 3519376 3630998 3900941 4044656 4149712 4769072 4839142 4964834 5530448 5674096 5705854 6158908 6520976 7261996 7801882 9678284 9929668 11411708 12317816 14523992 15603764 16936997 17376919 19356568 19859336 19970489 22823416 24635632 27306587 29047984 31207528 33873994 34753838 38713136 39718672 39940978 45646832 54613174 62415056 67747988 69507676 79881956 109226348 121638433 135495976 139015352 159763912 191146109 218452696 243276866 270991952 278030704 319527824 382292218 436905392 486553732 764584436 973107464 1338022763 1529168872 1946214928 2676045526 3058337744 5352091052 10704182104 21408364208
- Sum of all divisors σ(n): 54246528000
- Sum of proper divisors (its aliquot sum) s(n): 32838163792
- 21408364208 is an abundant number, because the sum of its proper divisors (32838163792) is greater than itself. Its abundance is 11429799584
Bases of 21408364208
- Binary: 100111111000000100110110110101100002
- Hexadecimal: 0x4FC09B6B0
- Base-36: 9U1ZJJK
Squares and roots of 21408364208
- 21408364208 squared (214083642082) is 458318058062375467264
- 21408364208 cubed (214083642083) is 9811839910102624784831893286912
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The
square root of 21408364208 is 146315.9738647835 -
The
cube root of 21408364208 is 2776.6927618793
Scales and comparisons
How big is 21408364208?- 21,408,364,208 seconds is equal to 680 years, 37 weeks, 2 days, 23 hours, 50 minutes, 8 seconds.
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To count from 1 to 21,408,364,208 would take you about one thousand, three hundred sixty-one 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 21408364208 cubic inches would be around 231.4 feet tall.
Recreational maths with 21408364208
- 21408364208 backwards is 80246380412
- The number of decimal digits it has is: 11
- The sum of 21408364208's digits is 38
- More coming soon!
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"Number 21408364208 - Facts about the integer". Numbermatics.com. 2024. Web. 27 May 2024.
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Numbermatics. (2024). Number 21408364208 - Facts about the integer. Retrieved 27 May 2024, from https://numbermatics.com/n/21408364208/
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The information we have on file for 21408364208 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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