131666990
131,666,990 is an even composite number composed of six prime numbers multiplied together.
131666990 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 131666990:
2 × 5 × 7 × 13 × 41 × 3529
See below for interesting mathematical facts about the number 131666990 from the Numbermatics database.
Names of 131666990
- Cardinal: 131666990 can be written as One hundred thirty-one million, six hundred sixty-six thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.3166699 × 108
Factors of 131666990
Divisors of 131666990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 5 7 10 13 14 26 35 41 65 70 82 91 130 182 205 287 410 455 533 574 910 1066 1435 2665 2870 3529 3731 5330 7058 7462 17645 18655 24703 35290 37310 45877 49406 91754 123515 144689 229385 247030 289378 321139 458770 642278 723445 1012823 1446890 1605695 1880957 2025646 3211390 3761914 5064115 9404785 10128230 13166699 18809570 26333398 65833495 131666990
- Sum of all divisors σ(n): 298892160
- Sum of proper divisors (its aliquot sum) s(n): 167225170
- 131666990 is an abundant number, because the sum of its proper divisors (167225170) is greater than itself. Its abundance is 35558180
Bases of 131666990
- Binary: 1111101100100010100001011102
- Hexadecimal: 0x7D9142E
- Base-36: 26E2WE
Squares and roots of 131666990
- 131666990 squared (1316669902) is 17336196255660100
- 131666990 cubed (1316669903) is 2282604779032035830099000
-
The
square root of 131666990 is 11474.6237411081 -
The
cube root of 131666990 is 508.7358026171
Scales and comparisons
How big is 131666990?- 131,666,990 seconds is equal to 4 years, 9 weeks, 4 days, 22 hours, 9 minutes, 50 seconds.
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To count from 1 to 131,666,990 would take you about 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 131666990 cubic inches would be around 42.4 feet tall.
Recreational maths with 131666990
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