129835940
129,835,940 is an even composite number composed of five prime numbers multiplied together.
129835940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 129835940:
22 × 5 × 132 × 107 × 359
(2 × 2 × 5 × 13 × 13 × 107 × 359)See below for interesting mathematical facts about the number 129835940 from the Numbermatics database.
Names of 129835940
- Cardinal: 129835940 can be written as One hundred twenty-nine million, eight hundred thirty-five thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.2983594 × 108
Factors of 129835940
Divisors of 129835940
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 13 20 26 52 65 107 130 169 214 260 338 359 428 535 676 718 845 1070 1391 1436 1690 1795 2140 2782 3380 3590 4667 5564 6955 7180 9334 13910 18083 18668 23335 27820 36166 38413 46670 60671 72332 76826 90415 93340 121342 153652 180830 192065 242684 303355 361660 384130 499369 606710 768260 998738 1213420 1997476 2496845 4993690 6491797 9987380 12983594 25967188 32458985 64917970 129835940
- Sum of all divisors σ(n): 298831680
- Sum of proper divisors (its aliquot sum) s(n): 168995740
- 129835940 is an abundant number, because the sum of its proper divisors (168995740) is greater than itself. Its abundance is 39159800
Bases of 129835940
- Binary: 1111011110100100011101001002
- Hexadecimal: 0x7BD23A4
- Base-36: 25AU1W
Squares and roots of 129835940
- 129835940 squared (1298359402) is 16857371315683600
- 129835940 cubed (1298359403) is 2188692650700816948584000
-
The
square root of 129835940 is 11394.5574727587 -
The
cube root of 129835940 is 506.3665110081
Scales and comparisons
How big is 129835940?- 129,835,940 seconds is equal to 4 years, 6 weeks, 4 days, 17 hours, 32 minutes, 20 seconds.
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To count from 1 to 129,835,940 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 129835940 cubic inches would be around 42.2 feet tall.
Recreational maths with 129835940
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The information we have on file for 129835940 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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