12429728721
12,429,728,721 is an odd composite number composed of four prime numbers multiplied together.
12429728721 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 12429728721:
35 × 17 × 313 × 101
(3 × 3 × 3 × 3 × 3 × 17 × 31 × 31 × 31 × 101)See below for interesting mathematical facts about the number 12429728721 from the Numbermatics database.
Names of 12429728721
- Cardinal: 12429728721 can be written as Twelve billion, four hundred twenty-nine million, seven hundred twenty-eight thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 1.2429728721 × 1010
Factors of 12429728721
Divisors of 12429728721
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 9 17 27 31 51 81 93 101 153 243 279 303 459 527 837 909 961 1377 1581 1717 2511 2727 2883 3131 4131 4743 5151 7533 8181 8649 9393 14229 15453 16337 24543 25947 28179 29791 42687 46359 49011 53227 77841 84537 89373 97061 128061 139077 147033 159681 233523 253611 268119 291183 417231 441099 479043 506447 760833 804357 873549 1323297 1437129 1519341 1650037 2413071 2620647 3008891 3969891 4311387 4558023 4950111 7239213 7861941 9026673 12934161 13674069 14850333 23585823 27080019 41022207 44550999 51151147 81240057 123066621 133652997 153453441 243720171 400958991 460360323 731160513 1381080969 4143242907 12429728721
- Sum of all divisors σ(n): 20573070336
- Sum of proper divisors (its aliquot sum) s(n): 8143341615
- 12429728721 is a deficient number, because the sum of its proper divisors (8143341615) is less than itself. Its deficiency is 4286387106
Bases of 12429728721
- Binary: 10111001001101111010011011110100012
- Hexadecimal: 0x2E4DE9BD1
- Base-36: 5PKC829
Squares and roots of 12429728721
- 12429728721 squared (124297287212) is 154498156077652295841
- 12429728721 cubed (124297287213) is 1920370167939935447866466549361
-
The
square root of 12429728721 is 111488.6932428577 -
The
cube root of 12429728721 is 2316.4373033267
Scales and comparisons
How big is 12429728721?- 12,429,728,721 seconds is equal to 395 years, 11 weeks, 5 days, 14 hours, 25 minutes, 21 seconds.
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To count from 1 to 12,429,728,721 would take you about seven hundred ninety 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 12429728721 cubic inches would be around 193 feet tall.
Recreational maths with 12429728721
- 12429728721 backwards is 12782792421
- The number of decimal digits it has is: 11
- The sum of 12429728721's digits is 45
- More coming soon!
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The information we have on file for 12429728721 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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