30191472
30,191,472 is an even composite number composed of four prime numbers multiplied together.
30191472 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 30191472:
24 × 32 × 71 × 2953
(2 × 2 × 2 × 2 × 3 × 3 × 71 × 2953)See below for interesting mathematical facts about the number 30191472 from the Numbermatics database.
Names of 30191472
- Cardinal: 30191472 can be written as Thirty million, one hundred ninety-one thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 3.0191472 × 107
Factors of 30191472
Divisors of 30191472
- Number of divisors d(n): 60
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 36 48 71 72 142 144 213 284 426 568 639 852 1136 1278 1704 2556 2953 3408 5112 5906 8859 10224 11812 17718 23624 26577 35436 47248 53154 70872 106308 141744 209663 212616 419326 425232 628989 838652 1257978 1677304 1886967 2515956 3354608 3773934 5031912 7547868 10063824 15095736 30191472
- Sum of all divisors σ(n): 85713264
- Sum of proper divisors (its aliquot sum) s(n): 55521792
- 30191472 is an abundant number, because the sum of its proper divisors (55521792) is greater than itself. Its abundance is 25330320
Bases of 30191472
- Binary: 11100110010101111011100002
- Hexadecimal: 0x1CCAF70
- Base-36: HZ3W0
Squares and roots of 30191472
- 30191472 squared (301914722) is 911524981526784
- 30191472 cubed (301914723) is 27520280957066416386048
-
The
square root of 30191472 is 5494.6766965855 -
The
cube root of 30191472 is 311.3829025501
Scales and comparisons
How big is 30191472?- 30,191,472 seconds is equal to 49 weeks, 6 days, 10 hours, 31 minutes, 12 seconds.
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To count from 1 to 30,191,472 would take you about twenty-two 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 30191472 cubic inches would be around 25.9 feet tall.
Recreational maths with 30191472
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