389950830
389,950,830 is an even composite number composed of five prime numbers multiplied together.
389950830 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 389950830:
2 × 32 × 5 × 892 × 547
(2 × 3 × 3 × 5 × 89 × 89 × 547)See below for interesting mathematical facts about the number 389950830 from the Numbermatics database.
Names of 389950830
- Cardinal: 389950830 can be written as Three hundred eighty-nine million, nine hundred fifty thousand, eight hundred thirty.
Scientific notation
- Scientific notation: 3.8995083 × 108
Factors of 389950830
Divisors of 389950830
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 5 6 9 10 15 18 30 45 89 90 178 267 445 534 547 801 890 1094 1335 1602 1641 2670 2735 3282 4005 4923 5470 7921 8010 8205 9846 15842 16410 23763 24615 39605 47526 48683 49230 71289 79210 97366 118815 142578 146049 237630 243415 292098 356445 438147 486830 712890 730245 876294 1460490 2190735 4332787 4381470 8665574 12998361 21663935 25996722 38995083 43327870 64991805 77990166 129983610 194975415 389950830
- Sum of all divisors σ(n): 1027266552
- Sum of proper divisors (its aliquot sum) s(n): 637315722
- 389950830 is an abundant number, because the sum of its proper divisors (637315722) is greater than itself. Its abundance is 247364892
Bases of 389950830
- Binary: 101110011111000101101011011102
- Hexadecimal: 0x173E2D6E
- Base-36: 6G5ZZI
Squares and roots of 389950830
- 389950830 squared (3899508302) is 152061649817688900
- 389950830 cubed (3899508303) is 59296566557577135236787000
-
The
square root of 389950830 is 19747.1727090233 -
The
cube root of 389950830 is 730.5836515791
Scales and comparisons
How big is 389950830?- 389,950,830 seconds is equal to 12 years, 20 weeks, 5 days, 7 hours, 40 minutes, 30 seconds.
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To count from 1 to 389,950,830 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 389950830 cubic inches would be around 60.9 feet tall.
Recreational maths with 389950830
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