7998990125
7,998,990,125 is an odd composite number composed of four prime numbers multiplied together.
7998990125 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 7998990125:
53 × 7 × 832 × 1327
(5 × 5 × 5 × 7 × 83 × 83 × 1327)See below for interesting mathematical facts about the number 7998990125 from the Numbermatics database.
Names of 7998990125
- Cardinal: 7998990125 can be written as Seven billion, nine hundred ninety-eight million, nine hundred ninety thousand, one hundred twenty-five.
Scientific notation
- Scientific notation: 7.998990125 × 109
Factors of 7998990125
Divisors of 7998990125
- Number of divisors d(n): 48
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Complete list of divisors:
1 5 7 25 35 83 125 175 415 581 875 1327 2075 2905 6635 6889 9289 10375 14525 33175 34445 46445 48223 72625 110141 165875 172225 232225 241115 550705 770987 861125 1161125 1205575 2753525 3854935 6027875 9141703 13767625 19274675 45708515 63991921 96373375 228542575 319959605 1142712875 1599798025 7998990125
- Sum of all divisors σ(n): 11556659712
- Sum of proper divisors (its aliquot sum) s(n): 3557669587
- 7998990125 is a deficient number, because the sum of its proper divisors (3557669587) is less than itself. Its deficiency is 4441320538
Bases of 7998990125
- Binary: 1110111001100011011100111001011012
- Hexadecimal: 0x1DCC6E72D
- Base-36: 3OAE4A5
Squares and roots of 7998990125
- 7998990125 squared (79989901252) is 63983843019847515625
- 7998990125 cubed (79989901253) is 511806128475310456490158203125
-
The
square root of 7998990125 is 89437.0735489483 -
The
cube root of 7998990125 is 1999.9158402083
Scales and comparisons
How big is 7998990125?- 7,998,990,125 seconds is equal to 254 years, 17 weeks, 5 days, 21 hours, 42 minutes, 5 seconds.
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To count from 1 to 7,998,990,125 would take you about five hundred eight 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 7998990125 cubic inches would be around 166.7 feet tall.
Recreational maths with 7998990125
- 7998990125 backwards is 5210998997
- The number of decimal digits it has is: 10
- The sum of 7998990125's digits is 59
- More coming soon!
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