138181384
138,181,384 is an even composite number composed of four prime numbers multiplied together.
138181384 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138181384:
23 × 11 × 31 × 373
(2 × 2 × 2 × 11 × 31 × 37 × 37 × 37)See below for interesting mathematical facts about the number 138181384 from the Numbermatics database.
Names of 138181384
- Cardinal: 138181384 can be written as One hundred thirty-eight million, one hundred eighty-one thousand, three hundred eighty-four.
Scientific notation
- Scientific notation: 1.38181384 × 108
Factors of 138181384
Divisors of 138181384
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 8 11 22 31 37 44 62 74 88 124 148 248 296 341 407 682 814 1147 1364 1369 1628 2294 2728 2738 3256 4588 5476 9176 10952 12617 15059 25234 30118 42439 50468 50653 60236 84878 100936 101306 120472 169756 202612 339512 405224 466829 557183 933658 1114366 1570243 1867316 2228732 3140486 3734632 4457464 6280972 12561944 17272673 34545346 69090692 138181384
- Sum of all divisors σ(n): 299865600
- Sum of proper divisors (its aliquot sum) s(n): 161684216
- 138181384 is an abundant number, because the sum of its proper divisors (161684216) is greater than itself. Its abundance is 23502832
Bases of 138181384
- Binary: 10000011110001111011000010002
- Hexadecimal: 0x83C7B08
- Base-36: 2A9PFS
Squares and roots of 138181384
- 138181384 squared (1381813842) is 19094094884155456
- 138181384 cubed (1381813843) is 2638448457319920581231104
-
The
square root of 138181384 is 11755.0578050471 -
The
cube root of 138181384 is 516.9912340585
Scales and comparisons
How big is 138181384?- 138,181,384 seconds is equal to 4 years, 20 weeks, 3 days, 7 hours, 43 minutes, 4 seconds.
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To count from 1 to 138,181,384 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 138181384 cubic inches would be around 43.1 feet tall.
Recreational maths with 138181384
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