389900000
389,900,000 is an even composite number composed of four prime numbers multiplied together.
389900000 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 389900000:
25 × 55 × 7 × 557
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 5 × 5 × 5 × 7 × 557)See below for interesting mathematical facts about the number 389900000 from the Numbermatics database.
Names of 389900000
- Cardinal: 389900000 can be written as Three hundred eighty-nine million, nine hundred thousand.
Scientific notation
- Scientific notation: 3.899 × 108
Factors of 389900000
Divisors of 389900000
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 125 140 160 175 200 224 250 280 350 400 500 557 560 625 700 800 875 1000 1114 1120 1250 1400 1750 2000 2228 2500 2785 2800 3125 3500 3899 4000 4375 4456 5000 5570 5600 6250 7000 7798 8750 8912 10000 11140 12500 13925 14000 15596 17500 17824 19495 20000 21875 22280 25000 27850 28000 31192 35000 38990 43750 44560 50000 55700 62384 69625 70000 77980 87500 89120 97475 100000 111400 124768 139250 140000 155960 175000 194950 222800 278500 311920 348125 350000 389900 445600 487375 557000 623840 696250 700000 779800 974750 1114000 1392500 1559600 1740625 1949500 2228000 2436875 2785000 3119200 3481250 3899000 4873750 5570000 6962500 7798000 9747500 11140000 12184375 13925000 15596000 19495000 24368750 27850000 38990000 48737500 55700000 77980000 97475000 194950000 389900000
- Sum of all divisors σ(n): 1098492192
- Sum of proper divisors (its aliquot sum) s(n): 708592192
- 389900000 is an abundant number, because the sum of its proper divisors (708592192) is greater than itself. Its abundance is 318692192
Bases of 389900000
- Binary: 101110011110101100110111000002
- Hexadecimal: 0x173D66E0
- Base-36: 6G4WRK
Squares and roots of 389900000
- 389900000 squared (3899000002) is 152022010000000000
- 389900000 cubed (3899000003) is 59273381699000000000000000
-
The
square root of 389900000 is 19745.8856473951 -
The
cube root of 389900000 is 730.5519063967
Scales and comparisons
How big is 389900000?- 389,900,000 seconds is equal to 12 years, 20 weeks, 4 days, 17 hours, 33 minutes, 20 seconds.
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To count from 1 to 389,900,000 would take you about eighteen 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 389900000 cubic inches would be around 60.9 feet tall.
Recreational maths with 389900000
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