71281200
71,281,200 is an even composite number composed of five prime numbers multiplied together.
71281200 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 71281200:
24 × 3 × 52 × 191 × 311
(2 × 2 × 2 × 2 × 3 × 5 × 5 × 191 × 311)See below for interesting mathematical facts about the number 71281200 from the Numbermatics database.
Names of 71281200
- Cardinal: 71281200 can be written as Seventy-one million, two hundred eighty-one thousand, two hundred.
Scientific notation
- Scientific notation: 7.12812 × 107
Factors of 71281200
Divisors of 71281200
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 191 200 240 300 311 382 400 573 600 622 764 933 955 1146 1200 1244 1528 1555 1866 1910 2292 2488 2865 3056 3110 3732 3820 4584 4665 4775 4976 5730 6220 7464 7640 7775 9168 9330 9550 11460 12440 14325 14928 15280 15550 18660 19100 22920 23325 24880 28650 31100 37320 38200 45840 46650 57300 59401 62200 74640 76400 93300 114600 118802 124400 178203 186600 229200 237604 297005 356406 373200 475208 594010 712812 891015 950416 1188020 1425624 1485025 1782030 2376040 2851248 2970050 3564060 4455075 4752080 5940100 7128120 8910150 11880200 14256240 17820300 23760400 35640600 71281200
- Sum of all divisors σ(n): 230270976
- Sum of proper divisors (its aliquot sum) s(n): 158989776
- 71281200 is an abundant number, because the sum of its proper divisors (158989776) is greater than itself. Its abundance is 87708576
Bases of 71281200
- Binary: 1000011111110101010001100002
- Hexadecimal: 0x43FAA30
- Base-36: 16FSXC
Squares and roots of 71281200
- 71281200 squared (712812002) is 5081009473440000
- 71281200 cubed (712812003) is 362180452478171328000000
-
The
square root of 71281200 is 8442.8194342885 -
The
cube root of 71281200 is 414.6277205293
Scales and comparisons
How big is 71281200?- 71,281,200 seconds is equal to 2 years, 13 weeks, 6 days, 20 minutes.
-
To count from 1 to 71,281,200 would take you about three 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 71281200 cubic inches would be around 34.6 feet tall.
Recreational maths with 71281200
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