29971872
29,971,872 is an even composite number composed of four prime numbers multiplied together.
29971872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 29971872:
25 × 32 × 7 × 14867
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 14867)See below for interesting mathematical facts about the number 29971872 from the Numbermatics database.
Names of 29971872
- Cardinal: 29971872 can be written as Twenty-nine million, nine hundred seventy-one thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.9971872 × 107
Factors of 29971872
Divisors of 29971872
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 14867 29734 44601 59468 89202 104069 118936 133803 178404 208138 237872 267606 312207 356808 416276 475744 535212 624414 713616 832552 936621 1070424 1248828 1427232 1665104 1873242 2140848 2497656 3330208 3746484 4281696 4995312 7492968 9990624 14985936 29971872
- Sum of all divisors σ(n): 97415136
- Sum of proper divisors (its aliquot sum) s(n): 67443264
- 29971872 is an abundant number, because the sum of its proper divisors (67443264) is greater than itself. Its abundance is 37471392
Bases of 29971872
- Binary: 11100100101010101101000002
- Hexadecimal: 0x1C955A0
- Base-36: HUEG0
Squares and roots of 29971872
- 29971872 squared (299718722) is 898313111184384
- 29971872 cubed (299718723) is 26924125584340125646848
-
The
square root of 29971872 is 5474.6572495453 -
The
cube root of 29971872 is 310.6261088557
Scales and comparisons
How big is 29971872?- 29,971,872 seconds is equal to 49 weeks, 3 days, 21 hours, 31 minutes, 12 seconds.
-
To count from 1 to 29,971,872 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 29971872 cubic inches would be around 25.9 feet tall.
Recreational maths with 29971872
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