2138289790
2,138,289,790 is an even composite number composed of seven prime numbers multiplied together.
2138289790 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 2138289790:
2 × 5 × 7 × 13 × 31 × 229 × 331
See below for interesting mathematical facts about the number 2138289790 from the Numbermatics database.
Names of 2138289790
- Cardinal: 2138289790 can be written as Two billion, one hundred thirty-eight million, two hundred eighty-nine thousand, seven hundred ninety.
Scientific notation
- Scientific notation: 2.13828979 × 109
Factors of 2138289790
Divisors of 2138289790
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 5 7 10 13 14 26 31 35 62 65 70 91 130 155 182 217 229 310 331 403 434 455 458 662 806 910 1085 1145 1603 1655 2015 2170 2290 2317 2821 2977 3206 3310 4030 4303 4634 5642 5954 7099 8015 8606 10261 11585 14105 14198 14885 16030 20522 20839 21515 23170 28210 29770 30121 35495 41678 43030 49693 51305 60242 70990 71827 75799 92287 99386 102610 104195 133393 143654 150605 151598 184574 208390 248465 266786 301210 359135 378995 461435 496930 530593 646009 666965 718270 757990 922870 933751 985387 1061186 1292018 1333930 1867502 1970774 2349769 2652965 3230045 4668755 4699538 4926935 5305930 6460090 6897709 9337510 9853870 11748845 13795418 16448383 23497690 30546997 32896766 34488545 61093994 68977090 82241915 152734985 164483830 213828979 305469970 427657958 1069144895 2138289790
- Sum of all divisors σ(n): 4926136320
- Sum of proper divisors (its aliquot sum) s(n): 2787846530
- 2138289790 is an abundant number, because the sum of its proper divisors (2787846530) is greater than itself. Its abundance is 649556740
Bases of 2138289790
- Binary: 11111110111001110110110011111102
- Hexadecimal: 0x7F73B67E
- Base-36: ZD2YYM
Squares and roots of 2138289790
- 2138289790 squared (21382897902) is 4572283226018244100
- 2138289790 cubed (21382897903) is 9776866539183073712757739000
-
The
square root of 2138289790 is 46241.6456238313 -
The
cube root of 2138289790 is 1288.3153680227
Scales and comparisons
How big is 2138289790?- 2,138,289,790 seconds is equal to 67 years, 51 weeks, 3 days, 17 hours, 23 minutes, 10 seconds.
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To count from 1 to 2,138,289,790 would take you about one hundred thirty-five 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 2138289790 cubic inches would be around 107.4 feet tall.
Recreational maths with 2138289790
- 2138289790 backwards is 0979828312
- The number of decimal digits it has is: 10
- The sum of 2138289790's digits is 49
- More coming soon!
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Keywords: Divisors of 2138289790, math, Factors of 2138289790, curriculum, school, college, exams, university, Prime factorization of 2138289790, STEM, science, technology, engineering, physics, economics, calculator, two billion, one hundred thirty-eight million, two hundred eighty-nine thousand, seven hundred ninety.