131021240
131,021,240 is an even composite number composed of six prime numbers multiplied together.
131021240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 131021240:
23 × 5 × 7 × 41 × 101 × 113
(2 × 2 × 2 × 5 × 7 × 41 × 101 × 113)See below for interesting mathematical facts about the number 131021240 from the Numbermatics database.
Names of 131021240
- Cardinal: 131021240 can be written as One hundred thirty-one million, twenty-one thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.3102124 × 108
Factors of 131021240
Divisors of 131021240
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 4 5 7 8 10 14 20 28 35 40 41 56 70 82 101 113 140 164 202 205 226 280 287 328 404 410 452 505 565 574 707 791 808 820 904 1010 1130 1148 1414 1435 1582 1640 2020 2260 2296 2828 2870 3164 3535 3955 4040 4141 4520 4633 5656 5740 6328 7070 7910 8282 9266 11413 11480 14140 15820 16564 18532 20705 22826 23165 28280 28987 31640 32431 33128 37064 41410 45652 46330 57065 57974 64862 79891 82820 91304 92660 114130 115948 129724 144935 159782 162155 165640 185320 228260 231896 259448 289870 319564 324310 399455 456520 467933 579740 639128 648620 798910 935866 1159480 1297240 1597820 1871732 2339665 3195640 3275531 3743464 4679330 6551062 9358660 13102124 16377655 18717320 26204248 32755310 65510620 131021240
- Sum of all divisors σ(n): 351630720
- Sum of proper divisors (its aliquot sum) s(n): 220609480
- 131021240 is an abundant number, because the sum of its proper divisors (220609480) is greater than itself. Its abundance is 89588240
Bases of 131021240
- Binary: 1111100111100111001101110002
- Hexadecimal: 0x7CF39B8
- Base-36: 2608MW
Squares and roots of 131021240
- 131021240 squared (1310212402) is 17166565331137600
- 131021240 cubed (1310212403) is 2249184676226658962624000
-
The
square root of 131021240 is 11446.4509783601 -
The
cube root of 131021240 is 507.9027548583
Scales and comparisons
How big is 131021240?- 131,021,240 seconds is equal to 4 years, 8 weeks, 4 days, 10 hours, 47 minutes, 20 seconds.
-
To count from 1 to 131,021,240 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 131021240 cubic inches would be around 42.3 feet tall.
Recreational maths with 131021240
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