1389942225
1,389,942,225 is an odd composite number composed of five prime numbers multiplied together.
1389942225 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 1389942225:
32 × 52 × 7 × 53 × 16651
(3 × 3 × 5 × 5 × 7 × 53 × 16651)See below for interesting mathematical facts about the number 1389942225 from the Numbermatics database.
Names of 1389942225
- Cardinal: 1389942225 can be written as One billion, three hundred eighty-nine million, nine hundred forty-two thousand, two hundred twenty-five.
Scientific notation
- Scientific notation: 1.389942225 × 109
Factors of 1389942225
Divisors of 1389942225
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 5 7 9 15 21 25 35 45 53 63 75 105 159 175 225 265 315 371 477 525 795 1113 1325 1575 1855 2385 3339 3975 5565 9275 11925 16651 16695 27825 49953 83255 83475 116557 149859 249765 349671 416275 582785 749295 882503 1049013 1248825 1748355 2647509 2913925 3746475 4412515 5245065 6177521 7942527 8741775 13237545 18532563 22062575 26225325 30887605 39712635 55597689 66187725 92662815 154438025 198563175 277988445 463314075 1389942225
- Sum of all divisors σ(n): 2899046592
- Sum of proper divisors (its aliquot sum) s(n): 1509104367
- 1389942225 is an abundant number, because the sum of its proper divisors (1509104367) is greater than itself. Its abundance is 119162142
Bases of 1389942225
- Binary: 10100101101100011010101110100012
- Hexadecimal: 0x52D8D5D1
- Base-36: MZJAA9
Squares and roots of 1389942225
- 1389942225 squared (13899422252) is 1931939388837950625
- 1389942225 cubed (13899422253) is 2685284132686561256152640625
-
The
square root of 1389942225 is 37281.9289334659 -
The
cube root of 1389942225 is 1116.0035673567
Scales and comparisons
How big is 1389942225?- 1,389,942,225 seconds is equal to 44 years, 10 weeks, 1 day, 7 hours, 3 minutes, 45 seconds.
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To count from 1 to 1,389,942,225 would take you about eighty-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 1389942225 cubic inches would be around 93 feet tall.
Recreational maths with 1389942225
- 1389942225 backwards is 5222499831
- 1389942225 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1389942225's digits is 45
- More coming soon!
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The information we have on file for 1389942225 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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