138918437180
138,918,437,180 is an even composite number composed of four prime numbers multiplied together.
138918437180 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.
Prime factorization of 138918437180:
22 × 5 × 52489 × 132331
(2 × 2 × 5 × 52489 × 132331)See below for interesting mathematical facts about the number 138918437180 from the Numbermatics database.
Names of 138918437180
- Cardinal: 138918437180 can be written as One hundred thirty-eight billion, nine hundred eighteen million, four hundred thirty-seven thousand, one hundred eighty.
Scientific notation
- Scientific notation: 1.3891843718 × 1011
Factors of 138918437180
Divisors of 138918437180
- Number of divisors d(n): 24
- Complete list of divisors:
- Sum of all divisors σ(n): 291736480560
- Sum of proper divisors (its aliquot sum) s(n): 152818043380
- 138918437180 is an abundant number, because the sum of its proper divisors (152818043380) is greater than itself. Its abundance is 13899606200
Bases of 138918437180
- Binary: 100000010110000010111100100001001111002
- Hexadecimal: 0x20582F213C
- Base-36: 1RTGG858
Squares and roots of 138918437180
- 138918437180 squared (1389184371802) is 19298332188533606352400
- 138918437180 cubed (1389184371803) is 2680894147811577710384728342232000
-
The
square root of 138918437180 is 372717.6373342157 -
The
cube root of 138918437180 is 5179.0880708579
Scales and comparisons
How big is 138918437180?- 138,918,437,180 seconds is equal to 4,417 years, 9 weeks, 1 day, 6 hours, 46 minutes, 20 seconds.
-
To count from 1 to 138,918,437,180 would take you about eight thousand, eight hundred thirty-four 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 138918437180 cubic inches would be around 431.6 feet tall.
Recreational maths with 138918437180
- 138918437180 backwards is 081734819831
- The number of decimal digits it has is: 12
- The sum of 138918437180's digits is 53
- More coming soon!
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