138992568
138,992,568 is an even composite number composed of five prime numbers multiplied together.
138992568 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 138992568:
23 × 3 × 11 × 13 × 40499
(2 × 2 × 2 × 3 × 11 × 13 × 40499)See below for interesting mathematical facts about the number 138992568 from the Numbermatics database.
Names of 138992568
- Cardinal: 138992568 can be written as One hundred thirty-eight million, nine hundred ninety-two thousand, five hundred sixty-eight.
Scientific notation
- Scientific notation: 1.38992568 × 108
Factors of 138992568
Divisors of 138992568
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 40499 80998 121497 161996 242994 323992 445489 485988 526487 890978 971976 1052974 1336467 1579461 1781956 2105948 2672934 3158922 3563912 4211896 5345868 5791357 6317844 10691736 11582714 12635688 17374071 23165428 34748142 46330856 69496284 138992568
- Sum of all divisors σ(n): 408240000
- Sum of proper divisors (its aliquot sum) s(n): 269247432
- 138992568 is an abundant number, because the sum of its proper divisors (269247432) is greater than itself. Its abundance is 130254864
Bases of 138992568
- Binary: 10000100100011011011101110002
- Hexadecimal: 0x848DBB8
- Base-36: 2AR3CO
Squares and roots of 138992568
- 138992568 squared (1389925682) is 19318933959234624
- 138992568 cubed (1389925683) is 2685188242016427704274432
-
The
square root of 138992568 is 11789.5109313321 -
The
cube root of 138992568 is 518.0009143159
Scales and comparisons
How big is 138992568?- 138,992,568 seconds is equal to 4 years, 21 weeks, 5 days, 17 hours, 2 minutes, 48 seconds.
-
To count from 1 to 138,992,568 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 138992568 cubic inches would be around 43.2 feet tall.
Recreational maths with 138992568
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