138072636
138,072,636 is an even composite number composed of five prime numbers multiplied together.
138072636 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 138072636:
22 × 32 × 13 × 312 × 307
(2 × 2 × 3 × 3 × 13 × 31 × 31 × 307)See below for interesting mathematical facts about the number 138072636 from the Numbermatics database.
Names of 138072636
- Cardinal: 138072636 can be written as One hundred thirty-eight million, seventy-two thousand, six hundred thirty-six.
Scientific notation
- Scientific notation: 1.38072636 × 108
Factors of 138072636
Divisors of 138072636
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 26 31 36 39 52 62 78 93 117 124 156 186 234 279 307 372 403 468 558 614 806 921 961 1116 1209 1228 1612 1842 1922 2418 2763 2883 3627 3684 3844 3991 4836 5526 5766 7254 7982 8649 9517 11052 11532 11973 12493 14508 15964 17298 19034 23946 24986 28551 34596 35919 37479 38068 47892 49972 57102 71838 74958 85653 112437 114204 123721 143676 149916 171306 224874 247442 295027 342612 371163 449748 494884 590054 742326 885081 1113489 1180108 1484652 1770162 2226978 2655243 3540324 3835351 4453956 5310486 7670702 10620972 11506053 15341404 23012106 34518159 46024212 69036318 138072636
- Sum of all divisors σ(n): 389645256
- Sum of proper divisors (its aliquot sum) s(n): 251572620
- 138072636 is an abundant number, because the sum of its proper divisors (251572620) is greater than itself. Its abundance is 113499984
Bases of 138072636
- Binary: 10000011101011010010001111002
- Hexadecimal: 0x83AD23C
- Base-36: 2A7DJ0
Squares and roots of 138072636
- 138072636 squared (1380726362) is 19064052811988496
- 138072636 cubed (1380726363) is 2632224024594464044395456
-
The
square root of 138072636 is 11750.4313112327 -
The
cube root of 138072636 is 516.8555753653
Scales and comparisons
How big is 138072636?- 138,072,636 seconds is equal to 4 years, 20 weeks, 2 days, 1 hour, 30 minutes, 36 seconds.
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To count from 1 to 138,072,636 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 138072636 cubic inches would be around 43.1 feet tall.
Recreational maths with 138072636
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