29681990
29,681,990 is an even composite number composed of six prime numbers multiplied together.
29681990 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 29681990:
2 × 5 × 13 × 19 × 61 × 197
See below for interesting mathematical facts about the number 29681990 from the Numbermatics database.
Names of 29681990
- Cardinal: 29681990 can be written as Twenty-nine million, six hundred eighty-one thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 2.968199 × 107
Factors of 29681990
Divisors of 29681990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 10 13 19 26 38 61 65 95 122 130 190 197 247 305 394 494 610 793 985 1159 1235 1586 1970 2318 2470 2561 3743 3965 5122 5795 7486 7930 11590 12017 12805 15067 18715 24034 25610 30134 37430 48659 60085 75335 97318 120170 150670 156221 228323 243295 312442 456646 486590 781105 1141615 1562210 2283230 2968199 5936398 14840995 29681990
- Sum of all divisors σ(n): 61871040
- Sum of proper divisors (its aliquot sum) s(n): 32189050
- 29681990 is an abundant number, because the sum of its proper divisors (32189050) is greater than itself. Its abundance is 2507060
Bases of 29681990
- Binary: 11100010011101001010001102
- Hexadecimal: 0x1C4E946
- Base-36: HO6RQ
Squares and roots of 29681990
- 29681990 squared (296819902) is 881020530360100
- 29681990 cubed (296819903) is 26150442571943184599000
-
The
square root of 29681990 is 5448.1180236849 -
The
cube root of 29681990 is 309.6214247915
Scales and comparisons
How big is 29681990?- 29,681,990 seconds is equal to 49 weeks, 12 hours, 59 minutes, 50 seconds.
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To count from 1 to 29,681,990 would take you about twenty-one weeks!
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 29681990 cubic inches would be around 25.8 feet tall.
Recreational maths with 29681990
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The information we have on file for 29681990 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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