131281272
131,281,272 is an even composite number composed of five prime numbers multiplied together.
131281272 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 131281272:
23 × 32 × 61 × 71 × 421
(2 × 2 × 2 × 3 × 3 × 61 × 71 × 421)See below for interesting mathematical facts about the number 131281272 from the Numbermatics database.
Names of 131281272
- Cardinal: 131281272 can be written as One hundred thirty-one million, two hundred eighty-one thousand, two hundred seventy-two.
Scientific notation
- Scientific notation: 1.31281272 × 108
Factors of 131281272
Divisors of 131281272
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 36 61 71 72 122 142 183 213 244 284 366 421 426 488 549 568 639 732 842 852 1098 1263 1278 1464 1684 1704 2196 2526 2556 3368 3789 4331 4392 5052 5112 7578 8662 10104 12993 15156 17324 25681 25986 29891 30312 34648 38979 51362 51972 59782 77043 77958 89673 102724 103944 119564 154086 155916 179346 205448 231129 239128 269019 308172 311832 358692 462258 538038 616344 717384 924516 1076076 1823351 1849032 2152152 3646702 5470053 7293404 10940106 14586808 16410159 21880212 32820318 43760424 65640636 131281272
- Sum of all divisors σ(n): 367342560
- Sum of proper divisors (its aliquot sum) s(n): 236061288
- 131281272 is an abundant number, because the sum of its proper divisors (236061288) is greater than itself. Its abundance is 104780016
Bases of 131281272
- Binary: 1111101001100110001011110002
- Hexadecimal: 0x7D33178
- Base-36: 265TA0
Squares and roots of 131281272
- 131281272 squared (1312812722) is 17234772377937984
- 131281272 cubed (1312812723) is 2262602840406163276635648
-
The
square root of 131281272 is 11457.8039780753 -
The
cube root of 131281272 is 508.2385367857
Scales and comparisons
How big is 131281272?- 131,281,272 seconds is equal to 4 years, 9 weeks, 11 hours, 1 minute, 12 seconds.
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To count from 1 to 131,281,272 would take you about six 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 131281272 cubic inches would be around 42.4 feet tall.
Recreational maths with 131281272
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