138394727464
138,394,727,464 is an even composite number composed of five prime numbers multiplied together.
138394727464 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 138394727464:
23 × 7 × 61 × 443 × 91453
(2 × 2 × 2 × 7 × 61 × 443 × 91453)See below for interesting mathematical facts about the number 138394727464 from the Numbermatics database.
Names of 138394727464
- Cardinal: 138394727464 can be written as One hundred thirty-eight billion, three hundred ninety-four million, seven hundred twenty-seven thousand, four hundred sixty-four.
Scientific notation
- Scientific notation: 1.38394727464 × 1011
Factors of 138394727464
Divisors of 138394727464
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 7 8 14 28 56 61 122 244 427 443 488 854 886 1708 1772 3101 3416 3544 6202 12404 24808 27023 54046 91453 108092 182906 189161 216184 365812 378322 640171 731624 756644 1280342 1513288 2560684 5121368 5578633 11157266 22314532 39050431 40513679 44629064 78100862 81027358 156201724 162054716 283595753 312403448 324109432 567191506 1134383012 2268766024 2471334419 4942668838 9885337676 17299340933 19770675352 34598681866 69197363732 138394727464
- Sum of all divisors σ(n): 302105485440
- Sum of proper divisors (its aliquot sum) s(n): 163710757976
- 138394727464 is an abundant number, because the sum of its proper divisors (163710757976) is greater than itself. Its abundance is 25316030512
Bases of 138394727464
- Binary: 100000001110001111011111110100001010002
- Hexadecimal: 0x2038F7F428
- Base-36: 1RKSNB54
Squares and roots of 138394727464
- 138394727464 squared (1383947274642) is 19153100589834835871296
- 138394727464 cubed (1383947274643) is 2650688136220769759181180900473344
-
The
square root of 138394727464 is 372014.4183549879 -
The
cube root of 138394727464 is 5172.5716468399
Scales and comparisons
How big is 138394727464?- 138,394,727,464 seconds is equal to 4,400 years, 27 weeks, 1 day, 19 hours, 51 minutes, 4 seconds.
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To count from 1 to 138,394,727,464 would take you about eight thousand, eight hundred one 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 138394727464 cubic inches would be around 431 feet tall.
Recreational maths with 138394727464
- 138394727464 backwards is 464727493831
- The number of decimal digits it has is: 12
- The sum of 138394727464's digits is 58
- More coming soon!
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