21109505742
21,109,505,742 is an even composite number composed of five prime numbers multiplied together.
21109505742 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 21109505742:
2 × 39 × 132 × 19 × 167
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 13 × 19 × 167)See below for interesting mathematical facts about the number 21109505742 from the Numbermatics database.
Names of 21109505742
- Cardinal: 21109505742 can be written as Twenty-one billion, one hundred nine million, five hundred five thousand, seven hundred forty-two.
Scientific notation
- Scientific notation: 2.1109505742 × 1010
Factors of 21109505742
Divisors of 21109505742
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 6 9 13 18 19 26 27 38 39 54 57 78 81 114 117 162 167 169 171 234 243 247 334 338 342 351 486 494 501 507 513 702 729 741 1002 1014 1026 1053 1458 1482 1503 1521 1539 2106 2171 2187 2223 3006 3042 3078 3159 3173 3211 4342 4374 4446 4509 4563 4617 6318 6346 6422 6513 6561 6669 9018 9126 9234 9477 9519 9633 13026 13122 13338 13527 13689 13851 18954 19038 19266 19539 19683 20007 27054 27378 27702 28223 28431 28557 28899 39078 39366 40014 40581 41067 41249 41553 56446 56862 57114 57798 58617 60021 81162 82134 82498 83106 84669 85293 85671 86697 117234 120042 121743 123201 123747 124659 169338 170586 171342 173394 175851 180063 243486 246402 247494 249318 254007 255879 257013 260091 351702 360126 365229 369603 371241 373977 508014 511758 514026 520182 527553 536237 540189 730458 739206 742482 747954 762021 771039 780273 1055106 1072474 1080378 1095687 1108809 1113723 1524042 1542078 1560546 1582659 1608711 1620567 2191374 2217618 2227446 2286063 2313117 2340819 3165318 3217422 3241134 3287061 3326427 3341169 4572126 4626234 4681638 4747977 4826133 4861701 6574122 6652854 6682338 6858189 6939351 7022457 9495954 9652266 9723402 10023507 13716378 13878702 14044914 14243931 14478399 20047014 20574567 20818053 21067371 28487862 28956798 30070521 41149134 41636106 42134742 42731793 43435197 60141042 61723701 62454159 63202113 85463586 86870394 90211563 123447402 124908318 126404226 130305591 180423126 185171103 260611182 270634689 370342206 390916773 541269378 555513309 781833546 811904067 1111026618 1172750319 1623808134 2345500638 3518250957 7036501914 10554752871 21109505742
- Sum of all divisors σ(n): 54461151360
- Sum of proper divisors (its aliquot sum) s(n): 33351645618
- 21109505742 is an abundant number, because the sum of its proper divisors (33351645618) is greater than itself. Its abundance is 12242139876
Bases of 21109505742
- Binary: 100111010100011100101111110110011102
- Hexadecimal: 0x4EA397ECE
- Base-36: 9P41YVI
Squares and roots of 21109505742
- 21109505742 squared (211095057422) is 445611232671530970564
- 21109505742 cubed (211095057423) is 9406632874779381023051590978488
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The
square root of 21109505742 is 145291.1068923353 -
The
cube root of 21109505742 is 2763.7113893595
Scales and comparisons
How big is 21109505742?- 21,109,505,742 seconds is equal to 671 years, 11 weeks, 1 day, 23 hours, 35 minutes, 42 seconds.
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To count from 1 to 21,109,505,742 would take you about one thousand, three hundred forty-two 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 21109505742 cubic inches would be around 230.3 feet tall.
Recreational maths with 21109505742
- 21109505742 backwards is 24750590112
- The number of decimal digits it has is: 11
- The sum of 21109505742's digits is 36
- More coming soon!
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The information we have on file for 21109505742 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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