138745837240
138,745,837,240 is an even composite number composed of four prime numbers multiplied together.
138745837240 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 138745837240:
23 × 5 × 593 × 16889
(2 × 2 × 2 × 5 × 59 × 59 × 59 × 16889)See below for interesting mathematical facts about the number 138745837240 from the Numbermatics database.
Names of 138745837240
- Cardinal: 138745837240 can be written as One hundred thirty-eight billion, seven hundred forty-five million, eight hundred thirty-seven thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.3874583724 × 1011
Factors of 138745837240
Divisors of 138745837240
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 4 5 8 10 20 40 59 118 236 295 472 590 1180 2360 3481 6962 13924 16889 17405 27848 33778 34810 67556 69620 84445 135112 139240 168890 205379 337780 410758 675560 821516 996451 1026895 1643032 1992902 2053790 3985804 4107580 4982255 7971608 8215160 9964510 19929020 39858040 58790609 117581218 235162436 293953045 470324872 587906090 1175812180 2351624360 3468645931 6937291862 13874583724 17343229655 27749167448 34686459310 69372918620 138745837240
- Sum of all divisors σ(n): 317579292000
- Sum of proper divisors (its aliquot sum) s(n): 178833454760
- 138745837240 is an abundant number, because the sum of its proper divisors (178833454760) is greater than itself. Its abundance is 40087617520
Bases of 138745837240
- Binary: 100000010011011110010101110110101110002
- Hexadecimal: 0x204DE576B8
- Base-36: 1RQLOT6G
Squares and roots of 138745837240
- 138745837240 squared (1387458372402) is 19250407351428570817600
- 138745837240 cubed (1387458372403) is 2670913885185007968144543327424000
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The
square root of 138745837240 is 372486.0228787115 -
The
cube root of 138745837240 is 5176.9422535505
Scales and comparisons
How big is 138745837240?- 138,745,837,240 seconds is equal to 4,411 years, 35 weeks, 5 days, 14 hours, 20 minutes, 40 seconds.
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To count from 1 to 138,745,837,240 would take you about eight thousand, eight hundred twenty-three 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 138745837240 cubic inches would be around 431.4 feet tall.
Recreational maths with 138745837240
- 138745837240 backwards is 042738547831
- The number of decimal digits it has is: 12
- The sum of 138745837240's digits is 52
- More coming soon!
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