18028131525
18,028,131,525 is an odd composite number composed of six prime numbers multiplied together.
18028131525 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 18028131525:
34 × 52 × 17 × 41 × 53 × 241
(3 × 3 × 3 × 3 × 5 × 5 × 17 × 41 × 53 × 241)See below for interesting mathematical facts about the number 18028131525 from the Numbermatics database.
Names of 18028131525
- Cardinal: 18028131525 can be written as Eighteen billion, twenty-eight million, one hundred thirty-one thousand, five hundred twenty-five.
Scientific notation
- Scientific notation: 1.8028131525 × 1010
Factors of 18028131525
Divisors of 18028131525
- Number of divisors d(n): 240
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Complete list of divisors:
1 3 5 9 15 17 25 27 41 45 51 53 75 81 85 123 135 153 159 205 225 241 255 265 369 405 425 459 477 615 675 697 723 765 795 901 1025 1107 1205 1275 1325 1377 1431 1845 2025 2091 2169 2173 2295 2385 2703 3075 3321 3485 3615 3825 3975 4097 4293 4505 5535 6025 6273 6507 6519 6885 7155 8109 9225 9881 10455 10845 10865 11475 11925 12291 12773 13515 16605 17425 18075 18819 19521 19557 20485 21465 22525 24327 27675 29643 31365 32535 32595 34425 35775 36873 36941 38319 40545 49405 52275 54225 54325 56457 58671 61455 63865 67575 72981 83025 88929 94095 97605 97785 102425 107325 110619 110823 114957 121635 148215 156825 162675 162975 167977 176013 184365 184705 191595 202725 217141 247025 266787 282285 293355 307275 319325 331857 332469 344871 364905 444645 470475 488025 488925 503931 523693 553095 554115 574785 608175 651423 741075 800361 839885 880065 921825 923525 957975 997407 1034613 1085705 1333935 1411425 1466775 1511793 1571079 1659285 1662345 1724355 1824525 1954269 2223225 2519655 2618465 2765475 2770575 2873925 2992221 3257115 4001805 4199425 4400325 4535379 4713237 4987035 5173065 5428525 5862807 6669675 7558965 7855395 8296425 8311725 8621775 8902781 9771345 12598275 13092325 13606137 14139711 14961105 16285575 17588421 20009025 22676895 23566185 24935175 25865325 26708343 29314035 37794825 39276975 42419133 44513905 48856725 68030685 70698555 74805525 80125029 87942105 113384475 117830925 133541715 146570175 212095665 222569525 240375087 340153425 353492775 400625145 439710525 667708575 721125261 1060478325 1201875435 2003125725 3605626305 6009377175 18028131525
- Sum of all divisors σ(n): 37057659408
- Sum of proper divisors (its aliquot sum) s(n): 19029527883
- 18028131525 is an abundant number, because the sum of its proper divisors (19029527883) is greater than itself. Its abundance is 1001396358
Bases of 18028131525
- Binary: 100001100101000111101110100110001012
- Hexadecimal: 0x4328F74C5
- Base-36: 8A5HFB9
Squares and roots of 18028131525
- 18028131525 squared (180281315252) is 325013526282698825625
- 18028131525 cubed (180281315253) is 5859386599228538760330540328125
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The
square root of 18028131525 is 134268.8777230227 -
The
cube root of 18028131525 is 2622.1059697233
Scales and comparisons
How big is 18028131525?- 18,028,131,525 seconds is equal to 573 years, 12 weeks, 2 days, 22 hours, 18 minutes, 45 seconds.
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To count from 1 to 18,028,131,525 would take you about one thousand, one hundred forty-six 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 18028131525 cubic inches would be around 218.5 feet tall.
Recreational maths with 18028131525
- 18028131525 backwards is 52513182081
- The number of decimal digits it has is: 11
- The sum of 18028131525's digits is 36
- More coming soon!
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