138578468240
138,578,468,240 is an even composite number composed of five prime numbers multiplied together.
138578468240 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 138578468240:
24 × 5 × 41 × 53 × 797161
(2 × 2 × 2 × 2 × 5 × 41 × 53 × 797161)See below for interesting mathematical facts about the number 138578468240 from the Numbermatics database.
Names of 138578468240
- Cardinal: 138578468240 can be written as One hundred thirty-eight billion, five hundred seventy-eight million, four hundred sixty-eight thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.3857846824 × 1011
Factors of 138578468240
Divisors of 138578468240
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 4 5 8 10 16 20 40 41 53 80 82 106 164 205 212 265 328 410 424 530 656 820 848 1060 1640 2120 2173 3280 4240 4346 8692 10865 17384 21730 34768 43460 86920 173840 797161 1594322 3188644 3985805 6377288 7971610 12754576 15943220 31886440 32683601 42249533 63772880 65367202 84499066 130734404 163418005 168998132 211247665 261468808 326836010 337996264 422495330 522937616 653672020 675992528 844990660 1307344040 1689981320 1732230853 2614688080 3379962640 3464461706 6928923412 8661154265 13857846824 17322308530 27715693648 34644617060 69289234120 138578468240
- Sum of all divisors σ(n): 336281195376
- Sum of proper divisors (its aliquot sum) s(n): 197702727136
- 138578468240 is an abundant number, because the sum of its proper divisors (197702727136) is greater than itself. Its abundance is 59124258896
Bases of 138578468240
- Binary: 100000010000111110101110011101100100002
- Hexadecimal: 0x2043EB9D90
- Base-36: 1RNU1IFK
Squares and roots of 138578468240
- 138578468240 squared (1385784682402) is 19203991859744688697600
- 138578468240 cubed (1385784682403) is 2661259776016847877189048564224000
-
The
square root of 138578468240 is 372261.2902787503 -
The
cube root of 138578468240 is 5174.8597687657
Scales and comparisons
How big is 138578468240?- 138,578,468,240 seconds is equal to 4,406 years, 19 weeks, 10 hours, 57 minutes, 20 seconds.
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To count from 1 to 138,578,468,240 would take you about eight thousand, eight hundred twelve 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 138578468240 cubic inches would be around 431.2 feet tall.
Recreational maths with 138578468240
- 138578468240 backwards is 042864875831
- The number of decimal digits it has is: 12
- The sum of 138578468240's digits is 56
- More coming soon!
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