71987968
71,987,968 is an even composite number composed of four prime numbers multiplied together.
71987968 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 71987968:
28 × 13 × 97 × 223
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 97 × 223)See below for interesting mathematical facts about the number 71987968 from the Numbermatics database.
Names of 71987968
- Cardinal: 71987968 can be written as Seventy-one million, nine hundred eighty-seven thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 7.1987968 × 107
Factors of 71987968
Divisors of 71987968
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 8 13 16 26 32 52 64 97 104 128 194 208 223 256 388 416 446 776 832 892 1261 1552 1664 1784 2522 2899 3104 3328 3568 5044 5798 6208 7136 10088 11596 12416 14272 20176 21631 23192 24832 28544 40352 43262 46384 57088 80704 86524 92768 161408 173048 185536 281203 322816 346096 371072 562406 692192 742144 1124812 1384384 2249624 2768768 4499248 5537536 8998496 17996992 35993984 71987968
- Sum of all divisors σ(n): 157044608
- Sum of proper divisors (its aliquot sum) s(n): 85056640
- 71987968 is an abundant number, because the sum of its proper divisors (85056640) is greater than itself. Its abundance is 13068672
Bases of 71987968
- Binary: 1000100101001110011000000002
- Hexadecimal: 0x44A7300
- Base-36: 16UY9S
Squares and roots of 71987968
- 71987968 squared (719879682) is 5182267536769024
- 71987968 cubed (719879683) is 373060909604367323103232
-
The
square root of 71987968 is 8484.5723522167 -
The
cube root of 71987968 is 415.9935896447
Scales and comparisons
How big is 71987968?- 71,987,968 seconds is equal to 2 years, 15 weeks, 4 hours, 39 minutes, 28 seconds.
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To count from 1 to 71,987,968 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 71987968 cubic inches would be around 34.7 feet tall.
Recreational maths with 71987968
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The information we have on file for 71987968 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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