16131361491
16,131,361,491 is an odd composite number composed of four prime numbers multiplied together.
16131361491 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 16131361491:
34 × 72 × 37 × 109847
(3 × 3 × 3 × 3 × 7 × 7 × 37 × 109847)See below for interesting mathematical facts about the number 16131361491 from the Numbermatics database.
Names of 16131361491
- Cardinal: 16131361491 can be written as Sixteen billion, one hundred thirty-one million, three hundred sixty-one thousand, four hundred ninety-one.
Scientific notation
- Scientific notation: 1.6131361491 × 1010
Factors of 16131361491
Divisors of 16131361491
- Number of divisors d(n): 60
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Complete list of divisors:
1 3 7 9 21 27 37 49 63 81 111 147 189 259 333 441 567 777 999 1323 1813 2331 2997 3969 5439 6993 16317 20979 48951 109847 146853 329541 768929 988623 2306787 2965869 4064339 5382503 6920361 8897607 12193017 16147509 20761083 28450373 36579051 48442527 62283249 85351119 109737153 145327581 199152611 256053357 329211459 435982743 597457833 768160071 1792373499 2304480213 5377120497 16131361491
- Sum of all divisors σ(n): 28789622928
- Sum of proper divisors (its aliquot sum) s(n): 12658261437
- 16131361491 is a deficient number, because the sum of its proper divisors (12658261437) is less than itself. Its deficiency is 3473100054
Bases of 16131361491
- Binary: 11110000011000000100001010110100112
- Hexadecimal: 0x3C1810AD3
- Base-36: 7ES726R
Squares and roots of 16131361491
- 16131361491 squared (161313614912) is 260220823553317743081
- 16131361491 cubed (161313614913) is 4197716172224295626023875093771
-
The
square root of 16131361491 is 127009.2968683789 -
The
cube root of 16131361491 is 2526.7193591599
Scales and comparisons
How big is 16131361491?- 16,131,361,491 seconds is equal to 512 years, 48 weeks, 1 day, 13 hours, 44 minutes, 51 seconds.
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To count from 1 to 16,131,361,491 would take you about one thousand and twenty-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 16131361491 cubic inches would be around 210.6 feet tall.
Recreational maths with 16131361491
- 16131361491 backwards is 19416313161
- The number of decimal digits it has is: 11
- The sum of 16131361491's digits is 36
- More coming soon!
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