138564648
138,564,648 is an even composite number composed of four prime numbers multiplied together.
138564648 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 138564648:
23 × 33 × 47 × 13649
(2 × 2 × 2 × 3 × 3 × 3 × 47 × 13649)See below for interesting mathematical facts about the number 138564648 from the Numbermatics database.
Names of 138564648
- Cardinal: 138564648 can be written as One hundred thirty-eight million, five hundred sixty-four thousand, six hundred forty-eight.
Scientific notation
- Scientific notation: 1.38564648 × 108
Factors of 138564648
Divisors of 138564648
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 27 36 47 54 72 94 108 141 188 216 282 376 423 564 846 1128 1269 1692 2538 3384 5076 10152 13649 27298 40947 54596 81894 109192 122841 163788 245682 327576 368523 491364 641503 737046 982728 1283006 1474092 1924509 2566012 2948184 3849018 5132024 5773527 7698036 11547054 15396072 17320581 23094108 34641162 46188216 69282324 138564648
- Sum of all divisors σ(n): 393120000
- Sum of proper divisors (its aliquot sum) s(n): 254555352
- 138564648 is an abundant number, because the sum of its proper divisors (254555352) is greater than itself. Its abundance is 115990704
Bases of 138564648
- Binary: 10000100001001010100001010002
- Hexadecimal: 0x8425428
- Base-36: 2AHX60
Squares and roots of 138564648
- 138564648 squared (1385646482) is 19200161675363904
- 138564648 cubed (1385646483) is 2660463644089889629665792
-
The
square root of 138564648 is 11771.3486058311 -
The
cube root of 138564648 is 517.4687735831
Scales and comparisons
How big is 138564648?- 138,564,648 seconds is equal to 4 years, 21 weeks, 18 hours, 10 minutes, 48 seconds.
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To count from 1 to 138,564,648 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 138564648 cubic inches would be around 43.1 feet tall.
Recreational maths with 138564648
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