491139680420
491,139,680,420 is an even composite number composed of five prime numbers multiplied together.
491139680420 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 491139680420:
22 × 5 × 79 × 367 × 846997
(2 × 2 × 5 × 79 × 367 × 846997)See below for interesting mathematical facts about the number 491139680420 from the Numbermatics database.
Names of 491139680420
- Cardinal: 491139680420 can be written as Four hundred ninety-one billion, one hundred thirty-nine million, six hundred eighty thousand, four hundred twenty.
Scientific notation
- Scientific notation: 4.9113968042 × 1011
Factors of 491139680420
Divisors of 491139680420
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 4 5 10 20 79 158 316 367 395 734 790 1468 1580 1835 3670 7340 28993 57986 115972 144965 289930 579860 846997 1693994 3387988 4234985 8469970 16939940 66912763 133825526 267651052 310847899 334563815 621695798 669127630 1243391596 1338255260 1554239495 3108478990 6216957980 24556984021 49113968042 98227936084 122784920105 245569840210 491139680420
- Sum of all divisors σ(n): 1047296087040
- Sum of proper divisors (its aliquot sum) s(n): 556156406620
- 491139680420 is an abundant number, because the sum of its proper divisors (556156406620) is greater than itself. Its abundance is 65016726200
Bases of 491139680420
- Binary: 1110010010110100011010011001000101001002
- Hexadecimal: 0x725A34C8A4
- Base-36: 69MJVUSK
Squares and roots of 491139680420
- 491139680420 squared (4911396804202) is 241218185683059731376400
- 491139680420 cubed (4911396804203) is 118471822627870175875976142730088000
-
The
square root of 491139680420 is 700813.5846428779 -
The
cube root of 491139680420 is 7889.8426336023
Scales and comparisons
How big is 491139680420?- 491,139,680,420 seconds is equal to 15,616 years, 37 weeks, 4 days, 1 hour, 20 seconds.
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To count from 1 to 491,139,680,420 would take you about thirty-one thousand, two hundred thirty-three 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 491139680420 cubic inches would be around 657.5 feet tall.
Recreational maths with 491139680420
- 491139680420 backwards is 024086931194
- The number of decimal digits it has is: 12
- The sum of 491139680420's digits is 47
- More coming soon!
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