2142721390
2,142,721,390 is an even composite number composed of six prime numbers multiplied together.
2142721390 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 2142721390:
2 × 5 × 19 × 43 × 163 × 1609
See below for interesting mathematical facts about the number 2142721390 from the Numbermatics database.
Names of 2142721390
- Cardinal: 2142721390 can be written as Two billion, one hundred forty-two million, seven hundred twenty-one thousand, three hundred ninety.
Scientific notation
- Scientific notation: 2.14272139 × 109
Factors of 2142721390
Divisors of 2142721390
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 10 19 38 43 86 95 163 190 215 326 430 815 817 1609 1630 1634 3097 3218 4085 6194 7009 8045 8170 14018 15485 16090 30571 30970 35045 61142 69187 70090 133171 138374 152855 262267 266342 305710 345935 524534 665855 691870 1311335 1314553 1331710 2622670 2629106 4983073 6572765 9966146 11277481 13145530 22554962 24915365 49830730 56387405 112774810 214272139 428544278 1071360695 2142721390
- Sum of all divisors σ(n): 4182393600
- Sum of proper divisors (its aliquot sum) s(n): 2039672210
- 2142721390 is a deficient number, because the sum of its proper divisors (2039672210) is less than itself. Its deficiency is 103049180
Bases of 2142721390
- Binary: 11111111011011101010101011011102
- Hexadecimal: 0x7FB7556E
- Base-36: ZFPYEM
Squares and roots of 2142721390
- 2142721390 squared (21427213902) is 4591254955163532100
- 2142721390 cubed (21427213903) is 9837780199372391178621619000
-
The
square root of 2142721390 is 46289.5386669601 -
The
cube root of 2142721390 is 1289.2047639591
Scales and comparisons
How big is 2142721390?- 2,142,721,390 seconds is equal to 68 years, 6 weeks, 6 days, 23 minutes, 10 seconds.
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To count from 1 to 2,142,721,390 would take you about one hundred thirty-six 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 2142721390 cubic inches would be around 107.4 feet tall.
Recreational maths with 2142721390
- 2142721390 backwards is 0931272412
- The number of decimal digits it has is: 10
- The sum of 2142721390's digits is 31
- More coming soon!
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The information we have on file for 2142721390 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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