138243428540
138,243,428,540 is an even composite number composed of five prime numbers multiplied together.
138243428540 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 138243428540:
22 × 5 × 72 × 41 × 3440603
(2 × 2 × 5 × 7 × 7 × 41 × 3440603)See below for interesting mathematical facts about the number 138243428540 from the Numbermatics database.
Names of 138243428540
- Cardinal: 138243428540 can be written as One hundred thirty-eight billion, two hundred forty-three million, four hundred twenty-eight thousand, five hundred forty.
Scientific notation
- Scientific notation: 1.3824342854 × 1011
Factors of 138243428540
Divisors of 138243428540
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 41 49 70 82 98 140 164 196 205 245 287 410 490 574 820 980 1148 1435 2009 2870 4018 5740 8036 10045 20090 40180 3440603 6881206 13762412 17203015 24084221 34406030 48168442 68812060 96336884 120421105 141064723 168589547 240842210 282129446 337179094 481684420 564258892 674358188 705323615 842947735 987453061 1410647230 1685895470 1974906122 2821294460 3371790940 3949812244 4937265305 6912171427 9874530610 13824342854 19749061220 27648685708 34560857135 69121714270 138243428540
- Sum of all divisors σ(n): 345945850992
- Sum of proper divisors (its aliquot sum) s(n): 207702422452
- 138243428540 is an abundant number, because the sum of its proper divisors (207702422452) is greater than itself. Its abundance is 69458993912
Bases of 138243428540
- Binary: 100000001011111111001101010000101111002
- Hexadecimal: 0x202FF350BC
- Base-36: 1RIAKG58
Squares and roots of 138243428540
- 138243428540 squared (1382434285402) is 19111245534494086531600
- 138243428540 cubed (1382434285403) is 2642004106358227356483821051864000
-
The
square root of 138243428540 is 371811.0118595199 -
The
cube root of 138243428540 is 5170.6860020515
Scales and comparisons
How big is 138243428540?- 138,243,428,540 seconds is equal to 4,395 years, 37 weeks, 16 hours, 22 minutes, 20 seconds.
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To count from 1 to 138,243,428,540 would take you about eight thousand, seven hundred ninety-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 138243428540 cubic inches would be around 430.9 feet tall.
Recreational maths with 138243428540
- 138243428540 backwards is 045824342831
- The number of decimal digits it has is: 12
- The sum of 138243428540's digits is 44
- More coming soon!
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