381389900
381,389,900 is an even composite number composed of five prime numbers multiplied together.
What does the number 381389900 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.
381389900 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 381389900:
22 × 52 × 17 × 31 × 7237
(2 × 2 × 5 × 5 × 17 × 31 × 7237)See below for interesting mathematical facts about the number 381389900 from the Numbermatics database.
Names of 381389900
- Cardinal: 381389900 can be written as Three hundred eighty-one million, three hundred eighty-nine thousand, nine hundred.
Scientific notation
- Scientific notation: 3.813899 × 108
Factors of 381389900
Divisors of 381389900
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 10 17 20 25 31 34 50 62 68 85 100 124 155 170 310 340 425 527 620 775 850 1054 1550 1700 2108 2635 3100 5270 7237 10540 13175 14474 26350 28948 36185 52700 72370 123029 144740 180925 224347 246058 361850 448694 492116 615145 723700 897388 1121735 1230290 2243470 2460580 3075725 3813899 4486940 5608675 6151450 7627798 11217350 12302900 15255596 19069495 22434700 38138990 76277980 95347475 190694950 381389900
- Sum of all divisors σ(n): 904692096
- Sum of proper divisors (its aliquot sum) s(n): 523302196
- 381389900 is an abundant number, because the sum of its proper divisors (523302196) is greater than itself. Its abundance is 141912296
Bases of 381389900
- Binary: 101101011101110001100010011002
- Hexadecimal: 0x16BB8C4C
- Base-36: 6B2IBW
Squares and roots of 381389900
- 381389900 squared (3813899002) is 145458255822010000
- 381389900 cubed (3813899003) is 55476309642130811699000000
-
The
square root of 381389900 is 19529.2063330797 -
The
cube root of 381389900 is 725.1976631081
Scales and comparisons
How big is 381389900?- 381,389,900 seconds is equal to 12 years, 6 weeks, 4 days, 5 hours, 38 minutes, 20 seconds.
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To count from 1 to 381,389,900 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 381389900 cubic inches would be around 60.4 feet tall.
Recreational maths with 381389900
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The information we have on file for 381389900 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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