138629491
138,629,491 is an odd composite number composed of six prime numbers multiplied together.
138629491 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138629491:
7 × 11 × 13 × 19 × 37 × 197
See below for interesting mathematical facts about the number 138629491 from the Numbermatics database.
Names of 138629491
- Cardinal: 138629491 can be written as One hundred thirty-eight million, six hundred twenty-nine thousand, four hundred ninety-one.
Scientific notation
- Scientific notation: 1.38629491 × 108
Factors of 138629491
Divisors of 138629491
- Number of divisors d(n): 64
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Complete list of divisors:
1 7 11 13 19 37 77 91 133 143 197 209 247 259 407 481 703 1001 1379 1463 1729 2167 2561 2717 2849 3367 3743 4921 5291 7289 7733 9139 15169 17927 19019 26201 28171 37037 41173 48659 51023 54131 63973 80179 94757 100529 138491 197197 288211 340613 535249 561253 663299 703703 969437 1042327 1523401 1800383 3746743 7296289 10663807 12602681 19804213 138629491
- Sum of all divisors σ(n): 202245120
- Sum of proper divisors (its aliquot sum) s(n): 63615629
- 138629491 is a deficient number, because the sum of its proper divisors (63615629) is less than itself. Its deficiency is 75013862
Bases of 138629491
- Binary: 10000100001101010001011100112
- Hexadecimal: 0x8435173
- Base-36: 2AJB77
Squares and roots of 138629491
- 138629491 squared (1386294912) is 19218135774919081
- 138629491 cubed (1386294913) is 2664200380445922765217771
-
The
square root of 138629491 is 11774.1025560337 -
The
cube root of 138629491 is 517.5494795821
Scales and comparisons
How big is 138629491?- 138,629,491 seconds is equal to 4 years, 21 weeks, 1 day, 12 hours, 11 minutes, 31 seconds.
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To count from 1 to 138,629,491 would take you about 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 138629491 cubic inches would be around 43.1 feet tall.
Recreational maths with 138629491
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The information we have on file for 138629491 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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