138720731436
138,720,731,436 is an even composite number composed of five prime numbers multiplied together.
What does the number 138720731436 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 96 divisors.
138720731436 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138720731436:
22 × 33 × 7 × 7499 × 24469
(2 × 2 × 3 × 3 × 3 × 7 × 7499 × 24469)See below for interesting mathematical facts about the number 138720731436 from the Numbermatics database.
Names of 138720731436
- Cardinal: 138720731436 can be written as One hundred thirty-eight billion, seven hundred twenty million, seven hundred thirty-one thousand, four hundred thirty-six.
Scientific notation
- Scientific notation: 1.38720731436 × 1011
Factors of 138720731436
Divisors of 138720731436
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 7499 14998 22497 24469 29996 44994 48938 52493 67491 73407 89988 97876 104986 134982 146814 157479 171283 202473 209972 220221 269964 293628 314958 342566 404946 440442 472437 513849 629916 660663 685132 809892 880884 944874 1027698 1321326 1417311 1541547 1889748 2055396 2642652 2834622 3083094 4624641 5669244 6166188 9249282 18498564 183493031 366986062 550479093 733972124 1100958186 1284451217 1651437279 2201916372 2568902434 3302874558 3853353651 4954311837 5137804868 6605749116 7706707302 9908623674 11560060953 15413414604 19817247348 23120121906 34680182859 46240243812 69360365718 138720731436
- Sum of all divisors σ(n): 411096000000
- Sum of proper divisors (its aliquot sum) s(n): 272375268564
- 138720731436 is an abundant number, because the sum of its proper divisors (272375268564) is greater than itself. Its abundance is 133654537128
Bases of 138720731436
- Binary: 100000010011000110011001100001001011002
- Hexadecimal: 0x204C66612C
- Base-36: 1RQ6QPF0
Squares and roots of 138720731436
- 138720731436 squared (1387207314362) is 19243441330138838622096
- 138720731436 cubed (1387207314363) is 2669464256662612445088723511409856
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The
square root of 138720731436 is 372452.3210237787 -
The
cube root of 138720731436 is 5176.6299819891
Scales and comparisons
How big is 138720731436?- 138,720,731,436 seconds is equal to 4,410 years, 46 weeks, 2 days, 30 minutes, 36 seconds.
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To count from 1 to 138,720,731,436 would take you about eight thousand, eight hundred twenty-one 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 138720731436 cubic inches would be around 431.4 feet tall.
Recreational maths with 138720731436
- 138720731436 backwards is 634137027831
- The number of decimal digits it has is: 12
- The sum of 138720731436's digits is 45
- More coming soon!
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Keywords: Divisors of 138720731436, math, Factors of 138720731436, curriculum, school, college, exams, university, Prime factorization of 138720731436, STEM, science, technology, engineering, physics, economics, calculator, one hundred thirty-eight billion, seven hundred twenty million, seven hundred thirty-one thousand, four hundred thirty-six.