21513317007
21,513,317,007 is an odd composite number composed of seven prime numbers multiplied together.
21513317007 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 21513317007:
3 × 7 × 13 × 23 × 89 × 137 × 281
See below for interesting mathematical facts about the number 21513317007 from the Numbermatics database.
Names of 21513317007
- Cardinal: 21513317007 can be written as Twenty-one billion, five hundred thirteen million, three hundred seventeen thousand and seven.
Scientific notation
- Scientific notation: 2.1513317007 × 1010
Factors of 21513317007
Divisors of 21513317007
- Number of divisors d(n): 128
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Complete list of divisors:
1 3 7 13 21 23 39 69 89 91 137 161 267 273 281 299 411 483 623 843 897 959 1157 1781 1869 1967 2047 2093 2877 3151 3471 3653 5343 5901 6141 6279 6463 8099 9453 10959 12193 12467 14329 19389 22057 24297 25009 25571 26611 36579 37401 38497 40963 42987 45241 66171 75027 76713 79833 84019 85351 115491 122889 135723 158509 175063 186277 252057 256053 269479 280439 286741 325117 475527 500461 525189 558831 575207 588133 808437 841317 860223 885431 975351 1109563 1501383 1725621 1764399 1963073 2275819 2656293 3328689 3426233 3503227 3645707 4026449 5889219 6198017 6827457 7477691 10278699 10509681 10937121 11510603 12079347 18594051 22433073 23983631 25519949 34531809 44541029 52343837 71950893 76559847 78803359 80574221 133623087 157031511 236410077 241722663 311787203 551623513 935361609 1024443667 1654870539 3073331001 7171105669 21513317007
- Sum of all divisors σ(n): 37658234880
- Sum of proper divisors (its aliquot sum) s(n): 16144917873
- 21513317007 is a deficient number, because the sum of its proper divisors (16144917873) is less than itself. Its deficiency is 5368399134
Bases of 21513317007
- Binary: 101000000100100101100101010100011112
- Hexadecimal: 0x5024B2A8F
- Base-36: 9VSH1N3
Squares and roots of 21513317007
- 21513317007 squared (215133170072) is 462822808643675438049
- 21513317007 cubed (215133170073) is 9956853800421489404367726599343
-
The
square root of 21513317007 is 146674.1865735073 -
The
cube root of 21513317007 is 2781.2228720649
Scales and comparisons
How big is 21513317007?- 21,513,317,007 seconds is equal to 684 years, 2 weeks, 6 days, 17 hours, 23 minutes, 27 seconds.
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To count from 1 to 21,513,317,007 would take you about one thousand, three hundred sixty-eight 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 21513317007 cubic inches would be around 231.8 feet tall.
Recreational maths with 21513317007
- 21513317007 backwards is 70071331512
- The number of decimal digits it has is: 11
- The sum of 21513317007's digits is 30
- More coming soon!
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The information we have on file for 21513317007 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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