138272145
138,272,145 is an odd composite number composed of six prime numbers multiplied together.
138272145 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 138272145:
3 × 5 × 112 × 29 × 37 × 71
(3 × 5 × 11 × 11 × 29 × 37 × 71)See below for interesting mathematical facts about the number 138272145 from the Numbermatics database.
Names of 138272145
- Cardinal: 138272145 can be written as One hundred thirty-eight million, two hundred seventy-two thousand, one hundred forty-five.
Scientific notation
- Scientific notation: 1.38272145 × 108
Factors of 138272145
Divisors of 138272145
- Number of divisors d(n): 96
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Complete list of divisors:
1 3 5 11 15 29 33 37 55 71 87 111 121 145 165 185 213 319 355 363 407 435 555 605 781 957 1065 1073 1221 1595 1815 2035 2059 2343 2627 3219 3509 3905 4477 4785 5365 6105 6177 7881 8591 10295 10527 11715 11803 13135 13431 16095 17545 22385 22649 25773 28897 30885 35409 39405 42955 52635 59015 67155 67947 76183 86691 113245 128865 129833 144485 177045 228549 249139 317867 339735 380915 389499 433455 649165 747417 838013 953601 1142745 1245695 1589335 1947495 2514039 3737085 4190065 4768005 9218143 12570195 27654429 46090715 138272145
- Sum of all divisors σ(n): 261999360
- Sum of proper divisors (its aliquot sum) s(n): 123727215
- 138272145 is a deficient number, because the sum of its proper divisors (123727215) is less than itself. Its deficiency is 14544930
Bases of 138272145
- Binary: 10000011110111011101100100012
- Hexadecimal: 0x83DDD91
- Base-36: 2ABNGX
Squares and roots of 138272145
- 138272145 squared (1382721452) is 19119186082901025
- 138272145 cubed (1382721453) is 2643650870336872549448625
-
The
square root of 138272145 is 11758.9176797863 -
The
cube root of 138272145 is 517.1044002233
Scales and comparisons
How big is 138272145?- 138,272,145 seconds is equal to 4 years, 20 weeks, 4 days, 8 hours, 55 minutes, 45 seconds.
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To count from 1 to 138,272,145 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 138272145 cubic inches would be around 43.1 feet tall.
Recreational maths with 138272145
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