29478420
29,478,420 is an even composite number composed of five prime numbers multiplied together.
29478420 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 29478420:
22 × 32 × 5 × 389 × 421
(2 × 2 × 3 × 3 × 5 × 389 × 421)See below for interesting mathematical facts about the number 29478420 from the Numbermatics database.
Names of 29478420
- Cardinal: 29478420 can be written as Twenty-nine million, four hundred seventy-eight thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.947842 × 107
Factors of 29478420
Divisors of 29478420
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 389 421 778 842 1167 1263 1556 1684 1945 2105 2334 2526 3501 3789 3890 4210 4668 5052 5835 6315 7002 7578 7780 8420 11670 12630 14004 15156 17505 18945 23340 25260 35010 37890 70020 75780 163769 327538 491307 655076 818845 982614 1473921 1637690 1965228 2456535 2947842 3275380 4913070 5895684 7369605 9826140 14739210 29478420
- Sum of all divisors σ(n): 89860680
- Sum of proper divisors (its aliquot sum) s(n): 60382260
- 29478420 is an abundant number, because the sum of its proper divisors (60382260) is greater than itself. Its abundance is 30903840
Bases of 29478420
- Binary: 11100000111001110000101002
- Hexadecimal: 0x1C1CE14
- Base-36: HJTP0
Squares and roots of 29478420
- 29478420 squared (294784202) is 868977245696400
- 29478420 cubed (294784203) is 25616076219081671688000
-
The
square root of 29478420 is 5429.4032821297 -
The
cube root of 29478420 is 308.9119678847
Scales and comparisons
How big is 29478420?- 29,478,420 seconds is equal to 48 weeks, 5 days, 4 hours, 27 minutes.
-
To count from 1 to 29,478,420 would take you about twenty-one weeks!
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 29478420 cubic inches would be around 25.7 feet tall.
Recreational maths with 29478420
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The information we have on file for 29478420 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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