138821080
138,821,080 is an even composite number composed of five prime numbers multiplied together.
138821080 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138821080:
23 × 5 × 41 × 47 × 1801
(2 × 2 × 2 × 5 × 41 × 47 × 1801)See below for interesting mathematical facts about the number 138821080 from the Numbermatics database.
Names of 138821080
- Cardinal: 138821080 can be written as One hundred thirty-eight million, eight hundred twenty-one thousand and eighty.
Scientific notation
- Scientific notation: 1.3882108 × 108
Factors of 138821080
Divisors of 138821080
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 20 40 41 47 82 94 164 188 205 235 328 376 410 470 820 940 1640 1801 1880 1927 3602 3854 7204 7708 9005 9635 14408 15416 18010 19270 36020 38540 72040 73841 77080 84647 147682 169294 295364 338588 369205 423235 590728 677176 738410 846470 1476820 1692940 2953640 3385880 3470527 6941054 13882108 17352635 27764216 34705270 69410540 138821080
- Sum of all divisors σ(n): 326954880
- Sum of proper divisors (its aliquot sum) s(n): 188133800
- 138821080 is an abundant number, because the sum of its proper divisors (188133800) is greater than itself. Its abundance is 49312720
Bases of 138821080
- Binary: 10000100011000111101110110002
- Hexadecimal: 0x8463DD8
- Base-36: 2ANF14
Squares and roots of 138821080
- 138821080 squared (1388210802) is 19271292252366400
- 138821080 cubed (1388210803) is 2675261603469136203712000
-
The
square root of 138821080 is 11782.2357810391 -
The
cube root of 138821080 is 517.7877914127
Scales and comparisons
How big is 138821080?- 138,821,080 seconds is equal to 4 years, 21 weeks, 3 days, 17 hours, 24 minutes, 40 seconds.
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To count from 1 to 138,821,080 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 138821080 cubic inches would be around 43.1 feet tall.
Recreational maths with 138821080
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