998000000
998,000,000 is an even composite number composed of three prime numbers multiplied together.
998000000 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 998000000:
27 × 56 × 499
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 5 × 499)See below for interesting mathematical facts about the number 998000000 from the Numbermatics database.
Names of 998000000
- Cardinal: 998000000 can be written as Nine hundred ninety-eight million.
Scientific notation
- Scientific notation: 9.98 × 108
Factors of 998000000
Divisors of 998000000
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 320 400 499 500 625 640 800 998 1000 1250 1600 1996 2000 2495 2500 3125 3200 3992 4000 4990 5000 6250 7984 8000 9980 10000 12475 12500 15625 15968 16000 19960 20000 24950 25000 31250 31936 39920 40000 49900 50000 62375 62500 63872 79840 80000 99800 100000 124750 125000 159680 199600 200000 249500 250000 311875 319360 399200 400000 499000 500000 623750 798400 998000 1000000 1247500 1559375 1596800 1996000 2000000 2495000 3118750 3992000 4990000 6237500 7796875 7984000 9980000 12475000 15593750 19960000 24950000 31187500 39920000 49900000 62375000 99800000 124750000 199600000 249500000 499000000 998000000
- Sum of all divisors σ(n): 2490202500
- Sum of proper divisors (its aliquot sum) s(n): 1492202500
- 998000000 is an abundant number, because the sum of its proper divisors (1492202500) is greater than itself. Its abundance is 494202500
Bases of 998000000
- Binary: 1110110111110001000101100000002
- Hexadecimal: 0x3B7C4580
- Base-36: GI6LQ8
Squares and roots of 998000000
- 998000000 squared (9980000002) is 996004000000000000
- 998000000 cubed (9980000003) is 994011992000000000000000000
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The
square root of 998000000 is 31591.1379978627 -
The
cube root of 998000000 is 999.3328883945
Scales and comparisons
How big is 998000000?- 998,000,000 seconds is equal to 31 years, 38 weeks, 22 hours, 13 minutes, 20 seconds.
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To count from 1 to 998,000,000 would take you about forty-seven 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 998000000 cubic inches would be around 83.3 feet tall.
Recreational maths with 998000000
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