131238640
131,238,640 is an even composite number composed of five prime numbers multiplied together.
131238640 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 131238640:
24 × 5 × 132 × 17 × 571
(2 × 2 × 2 × 2 × 5 × 13 × 13 × 17 × 571)See below for interesting mathematical facts about the number 131238640 from the Numbermatics database.
Names of 131238640
- Cardinal: 131238640 can be written as One hundred thirty-one million, two hundred thirty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.3123864 × 108
Factors of 131238640
Divisors of 131238640
- Number of divisors d(n): 120
-
Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 26 34 40 52 65 68 80 85 104 130 136 169 170 208 221 260 272 338 340 442 520 571 676 680 845 884 1040 1105 1142 1352 1360 1690 1768 2210 2284 2704 2855 2873 3380 3536 4420 4568 5710 5746 6760 7423 8840 9136 9707 11420 11492 13520 14365 14846 17680 19414 22840 22984 28730 29692 37115 38828 45680 45968 48535 57460 59384 74230 77656 96499 97070 114920 118768 126191 148460 155312 192998 194140 229840 252382 296920 385996 388280 482495 504764 593840 630955 771992 776560 964990 1009528 1261910 1543984 1640483 1929980 2019056 2523820 3280966 3859960 5047640 6561932 7719920 8202415 10095280 13123864 16404830 26247728 32809660 65619320 131238640
- Sum of all divisors σ(n): 350455248
- Sum of proper divisors (its aliquot sum) s(n): 219216608
- 131238640 is an abundant number, because the sum of its proper divisors (219216608) is greater than itself. Its abundance is 87977968
Bases of 131238640
- Binary: 1111101001010001010111100002
- Hexadecimal: 0x7D28AF0
- Base-36: 264WDS
Squares and roots of 131238640
- 131238640 squared (1312386402) is 17223580629049600
- 131238640 cubed (1312386403) is 2260399297686813996544000
-
The
square root of 131238640 is 11455.9434356145 -
The
cube root of 131238640 is 508.1835160637
Scales and comparisons
How big is 131238640?- 131,238,640 seconds is equal to 4 years, 8 weeks, 6 days, 23 hours, 10 minutes, 40 seconds.
-
To count from 1 to 131,238,640 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 131238640 cubic inches would be around 42.3 feet tall.
Recreational maths with 131238640
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The information we have on file for 131238640 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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