21080072013
21,080,072,013 is an odd composite number composed of seven prime numbers multiplied together.
21080072013 is an odd composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 21080072013:
3 × 7 × 11 × 13 × 31 × 127 × 1783
See below for interesting mathematical facts about the number 21080072013 from the Numbermatics database.
Names of 21080072013
- Cardinal: 21080072013 can be written as Twenty-one billion, eighty million, seventy-two thousand and thirteen.
Scientific notation
- Scientific notation: 2.1080072013 × 1010
Factors of 21080072013
Divisors of 21080072013
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 7 11 13 21 31 33 39 77 91 93 127 143 217 231 273 341 381 403 429 651 889 1001 1023 1209 1397 1651 1783 2387 2667 2821 3003 3937 4191 4433 4953 5349 7161 8463 9779 11557 11811 12481 13299 18161 19613 23179 27559 29337 31031 34671 37443 43307 51181 54483 55273 58839 69537 82677 93093 127127 129921 137291 153543 162253 165819 226441 254969 303149 358267 381381 386911 411873 486759 562991 608003 679323 718549 764907 909447 1074801 1160733 1585087 1688973 1784783 1824009 2155647 2490851 2943733 3940937 4256021 4755261 5029843 5354349 7019671 7472553 7904039 8831199 11822811 12768063 15089529 17435957 20606131 21059013 23712117 32381063 49137697 52307871 55328273 61818393 77216381 91255723 97143189 147413091 165984819 226667441 231649143 273767169 540514667 638790061 680002323 1003812953 1621544001 1916370183 3011438859 7026690671 21080072013
- Sum of all divisors σ(n): 39283851264
- Sum of proper divisors (its aliquot sum) s(n): 18203779251
- 21080072013 is a deficient number, because the sum of its proper divisors (18203779251) is less than itself. Its deficiency is 2876292762
Bases of 21080072013
- Binary: 100111010000111100001011111010011012
- Hexadecimal: 0x4E8785F4D
- Base-36: 9OMJ3NX
Squares and roots of 21080072013
- 21080072013 squared (210800720132) is 444369436073265872169
- 21080072013 cubed (210800720133) is 9367339712800644529417772506197
-
The
square root of 21080072013 is 145189.7792993707 -
The
cube root of 21080072013 is 2762.4262784337
Scales and comparisons
How big is 21080072013?- 21,080,072,013 seconds is equal to 670 years, 14 weeks, 4 days, 7 hours, 33 minutes, 33 seconds.
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To count from 1 to 21,080,072,013 would take you about one thousand, three hundred forty 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 21080072013 cubic inches would be around 230.2 feet tall.
Recreational maths with 21080072013
- 21080072013 backwards is 31027008012
- The number of decimal digits it has is: 11
- The sum of 21080072013's digits is 24
- More coming soon!
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The information we have on file for 21080072013 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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