80721216
80,721,216 is an even composite number composed of four prime numbers multiplied together.
80721216 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 80721216:
26 × 32 × 353 × 397
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 353 × 397)See below for interesting mathematical facts about the number 80721216 from the Numbermatics database.
Names of 80721216
- Cardinal: 80721216 can be written as Eighty million, seven hundred twenty-one thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 8.0721216 × 107
Factors of 80721216
Divisors of 80721216
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 353 397 576 706 794 1059 1191 1412 1588 2118 2382 2824 3176 3177 3573 4236 4764 5648 6352 6354 7146 8472 9528 11296 12704 12708 14292 16944 19056 22592 25408 25416 28584 33888 38112 50832 57168 67776 76224 101664 114336 140141 203328 228672 280282 420423 560564 840846 1121128 1261269 1681692 2242256 2522538 3363384 4484512 5045076 6726768 8969024 10090152 13453536 20180304 26907072 40360608 80721216
- Sum of all divisors σ(n): 232612692
- Sum of proper divisors (its aliquot sum) s(n): 151891476
- 80721216 is an abundant number, because the sum of its proper divisors (151891476) is greater than itself. Its abundance is 71170260
Bases of 80721216
- Binary: 1001100111110110101010000002
- Hexadecimal: 0x4CFB540
- Base-36: 1C24W0
Squares and roots of 80721216
- 80721216 squared (807212162) is 6515914712518656
- 80721216 cubed (807212163) is 525972558946796335005696
-
The
square root of 80721216 is 8984.4986504535 -
The
cube root of 80721216 is 432.1779102603
Scales and comparisons
How big is 80721216?- 80,721,216 seconds is equal to 2 years, 29 weeks, 3 days, 6 hours, 33 minutes, 36 seconds.
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To count from 1 to 80,721,216 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 80721216 cubic inches would be around 36 feet tall.
Recreational maths with 80721216
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The information we have on file for 80721216 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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