72129013005
72,129,013,005 is an odd composite number composed of six prime numbers multiplied together.
72129013005 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 72129013005:
3 × 5 × 7 × 29 × 312 × 1572
(3 × 5 × 7 × 29 × 31 × 31 × 157 × 157)See below for interesting mathematical facts about the number 72129013005 from the Numbermatics database.
Names of 72129013005
- Cardinal: 72129013005 can be written as Seventy-two billion, one hundred twenty-nine million, thirteen thousand and five.
Scientific notation
- Scientific notation: 7.2129013005 × 1010
Factors of 72129013005
Divisors of 72129013005
- Number of divisors d(n): 144
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Complete list of divisors:
1 3 5 7 15 21 29 31 35 87 93 105 145 155 157 203 217 435 465 471 609 651 785 899 961 1015 1085 1099 2355 2697 2883 3045 3255 3297 4495 4553 4805 4867 5495 6293 6727 13485 13659 14415 14601 16485 18879 20181 22765 24335 24649 27869 31465 31871 33635 34069 68295 73005 73947 83607 94395 95613 100905 102207 123245 139345 141143 150877 159355 170345 172543 195083 369735 418035 423429 452631 478065 511035 517629 585249 705715 714821 754385 764119 862715 975415 988001 1056139 2117145 2144463 2263155 2292357 2588145 2926245 2964003 3168417 3574105 3820595 4375433 4940005 5003747 5280695 5348833 10722315 11461785 13126299 14820015 15011241 15842085 16046499 21877165 22159451 23687689 25018735 26744165 30628031 65631495 66478353 71063067 75056205 80232495 91884093 110797255 118438445 153140155 155116157 165813823 332391765 355315335 459420465 465348471 497441469 686942981 775580785 829069115 2060828943 2326742355 2487207345 3434714905 4808600867 10304144715 14425802601 24043004335 72129013005
- Sum of all divisors σ(n): 141888101760
- Sum of proper divisors (its aliquot sum) s(n): 69759088755
- 72129013005 is a deficient number, because the sum of its proper divisors (69759088755) is less than itself. Its deficiency is 2369924250
Bases of 72129013005
- Binary: 10000110010110011100101100101000011012
- Hexadecimal: 0x10CB39650D
- Base-36: X4VR2ML
Squares and roots of 72129013005
- 72129013005 squared (721290130052) is 5202594517075459130025
- 72129013005 cubed (721290130053) is 375258007581877486155919210975125
-
The
square root of 72129013005 is 268568.4512466049 -
The
cube root of 72129013005 is 4162.6509584983
Scales and comparisons
How big is 72129013005?- 72,129,013,005 seconds is equal to 2,293 years, 24 weeks, 6 days, 12 hours, 56 minutes, 45 seconds.
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To count from 1 to 72,129,013,005 would take you about four thousand, five hundred eighty-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 72129013005 cubic inches would be around 346.9 feet tall.
Recreational maths with 72129013005
- 72129013005 backwards is 50031092127
- The number of decimal digits it has is: 11
- The sum of 72129013005's digits is 30
- More coming soon!
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The information we have on file for 72129013005 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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