990142507538
990,142,507,538 is an even composite number composed of three prime numbers multiplied together.
What does the number 990142507538 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 18 divisors.
990142507538 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eighteen divisors.
Prime factorization of 990142507538:
2 × 172 × 413892
(2 × 17 × 17 × 41389 × 41389)See below for interesting mathematical facts about the number 990142507538 from the Numbermatics database.
Names of 990142507538
- Cardinal: 990142507538 can be written as Nine hundred ninety billion, one hundred forty-two million, five hundred seven thousand, five hundred thirty-eight.
Scientific notation
- Scientific notation: 9.90142507538 × 1011
Factors of 990142507538
Divisors of 990142507538
- Number of divisors d(n): 18
- Complete list of divisors:
- Sum of all divisors σ(n): 1577756544831
- Sum of proper divisors (its aliquot sum) s(n): 587614037293
- 990142507538 is a deficient number, because the sum of its proper divisors (587614037293) is less than itself. Its deficiency is 402528470245
Bases of 990142507538
- Binary: 11100110100010010001011110101010000100102
- Hexadecimal: 0xE68917AA12
- Base-36: CMV5A8EQ
Squares and roots of 990142507538
- 990142507538 squared (9901425075382) is 980382185233638386821444
- 990142507538 cubed (9901425075383) is 970718075232818708714517775630044872
-
The
square root of 990142507538 is 995059.0472620203 -
The
cube root of 990142507538 is 9967.0331297697
Scales and comparisons
How big is 990142507538?- 990,142,507,538 seconds is equal to 31,483 years, 24 weeks, 2 days, 17 hours, 25 minutes, 38 seconds.
-
To count from 1 to 990,142,507,538 would take you about sixty-two thousand, nine hundred sixty-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 990142507538 cubic inches would be around 830.6 feet tall.
Recreational maths with 990142507538
- 990142507538 backwards is 835705241099
- The number of decimal digits it has is: 12
- The sum of 990142507538's digits is 53
- More coming soon!
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