20138639940
20,138,639,940 is an even composite number composed of seven prime numbers multiplied together.
20138639940 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20138639940:
22 × 32 × 5 × 29 × 41 × 73 × 1289
(2 × 2 × 3 × 3 × 5 × 29 × 41 × 73 × 1289)See below for interesting mathematical facts about the number 20138639940 from the Numbermatics database.
Names of 20138639940
- Cardinal: 20138639940 can be written as Twenty billion, one hundred thirty-eight million, six hundred thirty-nine thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.013863994 × 1010
Factors of 20138639940
Divisors of 20138639940
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 29 30 36 41 45 58 60 73 82 87 90 116 123 145 146 164 174 180 205 219 246 261 290 292 348 365 369 410 435 438 492 522 580 615 657 730 738 820 870 876 1044 1095 1189 1230 1289 1305 1314 1460 1476 1740 1845 2117 2190 2378 2460 2578 2610 2628 2993 3285 3567 3690 3867 4234 4380 4756 5156 5220 5945 5986 6351 6445 6570 7134 7380 7734 8468 8979 10585 10701 11601 11890 11972 12702 12890 13140 14268 14965 15468 17835 17958 19053 19335 21170 21402 23202 23780 25404 25780 26937 29930 31755 35670 35916 37381 38106 38670 42340 42804 44895 46404 52849 53505 53874 58005 59860 63510 71340 74762 76212 77340 86797 89790 94097 95265 105698 107010 107748 112143 116010 127020 134685 149524 158547 173594 179580 186905 188194 190530 211396 214020 224286 232020 260391 264245 269370 282291 317094 336429 347188 373810 376388 381060 433985 448572 470485 475641 520782 528490 538740 560715 564582 634188 672858 747620 781173 792735 846873 867970 940970 951282 1041564 1056980 1121430 1129164 1301955 1345716 1411455 1532621 1562346 1585470 1682145 1693746 1735940 1881940 1902564 2242860 2378205 2603910 2728813 2822910 3065242 3124692 3170940 3364290 3387492 3857977 3905865 4234365 4597863 4756410 5207820 5457626 5645820 6130484 6728580 7663105 7715954 7811730 8186439 8468730 9195726 9512820 10915252 11573931 13644065 13793589 15326210 15431908 15623460 16372878 16937460 18391452 19289885 22989315 23147862 24559317 27288130 27587178 30652420 32745756 34721793 38579770 40932195 45978630 46295724 49118634 54576260 55174356 57869655 68967945 69443586 77159540 81864390 91957260 98237268 111881333 115739310 122796585 137935890 138887172 163728780 173608965 223762666 231478620 245593170 275871780 335643999 347217930 447525332 491186340 559406665 671287998 694435860 1006931997 1118813330 1342575996 1678219995 2013863994 2237626660 3356439990 4027727988 5034659985 6712879980 10069319970 20138639940
- Sum of all divisors σ(n): 65672661600
- Sum of proper divisors (its aliquot sum) s(n): 45534021660
- 20138639940 is an abundant number, because the sum of its proper divisors (45534021660) is greater than itself. Its abundance is 25395381720
Bases of 20138639940
- Binary: 100101100000101101101000010010001002
- Hexadecimal: 0x4B05B4244
- Base-36: 9920Y10
Squares and roots of 20138639940
- 20138639940 squared (201386399402) is 405564818632963203600
- 20138639940 cubed (201386399403) is 8167523854780648972569311784000
-
The
square root of 20138639940 is 141910.6759197489 -
The
cube root of 20138639940 is 2720.6752909903
Scales and comparisons
How big is 20138639940?- 20,138,639,940 seconds is equal to 640 years, 18 weeks, 2 hours, 39 minutes.
-
To count from 1 to 20,138,639,940 would take you about one thousand, two hundred eighty 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 20138639940 cubic inches would be around 226.7 feet tall.
Recreational maths with 20138639940
- 20138639940 backwards is 04993683102
- 20138639940 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20138639940's digits is 45
- More coming soon!
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"Number 20138639940 - Facts about the integer". Numbermatics.com. 2024. Web. 16 May 2024.
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Numbermatics. (2024). Number 20138639940 - Facts about the integer. Retrieved 16 May 2024, from https://numbermatics.com/n/20138639940/
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The information we have on file for 20138639940 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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