21438180684
21,438,180,684 is an even composite number composed of five prime numbers multiplied together.
21438180684 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21438180684:
22 × 33 × 172 × 73 × 972
(2 × 2 × 3 × 3 × 3 × 17 × 17 × 73 × 97 × 97)See below for interesting mathematical facts about the number 21438180684 from the Numbermatics database.
Names of 21438180684
- Cardinal: 21438180684 can be written as Twenty-one billion, four hundred thirty-eight million, one hundred eighty thousand, six hundred eighty-four.
Scientific notation
- Scientific notation: 2.1438180684 × 1010
Factors of 21438180684
Divisors of 21438180684
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 73 97 102 108 146 153 194 204 219 289 291 292 306 388 438 459 578 582 612 657 867 873 876 918 1156 1164 1241 1314 1649 1734 1746 1836 1971 2482 2601 2619 2628 3298 3468 3492 3723 3942 4947 4964 5202 5238 6596 7081 7446 7803 7884 9409 9894 10404 10476 11169 14162 14841 14892 15606 18818 19788 21097 21243 22338 28033 28227 28324 29682 31212 33507 37636 42194 42486 44523 44676 56066 56454 59364 63291 63729 67014 84099 84388 84681 84972 89046 112132 112908 120377 126582 127458 134028 159953 168198 169362 178092 189873 191187 240754 252297 253164 254043 254916 319906 336396 338724 361131 379746 382374 479859 481508 504594 508086 569619 639812 686857 722262 756891 759492 764748 959718 1009188 1016172 1083393 1139238 1373714 1439577 1444524 1513782 1919436 2046409 2060571 2166786 2278476 2719201 2747428 2879154 3027564 3250179 4092818 4121142 4318731 4333572 5438402 5758308 6139227 6181713 6500358 8157603 8185636 8242284 8637462 10876804 11676569 12278454 12363426 13000716 16315206 17274924 18417681 18545139 23353138 24472809 24556908 24726852 32630412 35029707 36835362 37090278 46706276 48945618 55253043 70059414 73418427 73670724 74180556 97891236 105089121 110506086 140118828 146836854 198501673 210178242 221012172 293673708 315267363 397003346 420356484 595505019 630534726 794006692 1191010038 1261069452 1786515057 2382020076 3573030114 5359545171 7146060228 10719090342 21438180684
- Sum of all divisors σ(n): 60474407280
- Sum of proper divisors (its aliquot sum) s(n): 39036226596
- 21438180684 is an abundant number, because the sum of its proper divisors (39036226596) is greater than itself. Its abundance is 17598045912
Bases of 21438180684
- Binary: 100111111011101000010101101010011002
- Hexadecimal: 0x4FDD0AD4C
- Base-36: 9UJQM30
Squares and roots of 21438180684
- 21438180684 squared (214381806842) is 459595591039830707856
- 21438180684 cubed (214381806843) is 9852893322281662155788546253504
-
The
square root of 21438180684 is 146417.8291192707 -
The
cube root of 21438180684 is 2777.9812424971
Scales and comparisons
How big is 21438180684?- 21,438,180,684 seconds is equal to 681 years, 34 weeks, 5 days, 2 hours, 11 minutes, 24 seconds.
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To count from 1 to 21,438,180,684 would take you about one thousand, three hundred sixty-three 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 21438180684 cubic inches would be around 231.5 feet tall.
Recreational maths with 21438180684
- 21438180684 backwards is 48608183412
- The number of decimal digits it has is: 11
- The sum of 21438180684's digits is 45
- More coming soon!
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The information we have on file for 21438180684 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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