129731472
129,731,472 is an even composite number composed of five prime numbers multiplied together.
129731472 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 129731472:
24 × 32 × 13 × 37 × 1873
(2 × 2 × 2 × 2 × 3 × 3 × 13 × 37 × 1873)See below for interesting mathematical facts about the number 129731472 from the Numbermatics database.
Names of 129731472
- Cardinal: 129731472 can be written as One hundred twenty-nine million, seven hundred thirty-one thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 1.29731472 × 108
Factors of 129731472
Divisors of 129731472
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 36 37 39 48 52 72 74 78 104 111 117 144 148 156 208 222 234 296 312 333 444 468 481 592 624 666 888 936 962 1332 1443 1776 1872 1873 1924 2664 2886 3746 3848 4329 5328 5619 5772 7492 7696 8658 11238 11544 14984 16857 17316 22476 23088 24349 29968 33714 34632 44952 48698 67428 69264 69301 73047 89904 97396 134856 138602 146094 194792 207903 219141 269712 277204 292188 389584 415806 438282 554408 584376 623709 831612 876564 900913 1108816 1168752 1247418 1663224 1753128 1801826 2494836 2702739 3326448 3506256 3603652 4989672 5405478 7207304 8108217 9979344 10810956 14414608 16216434 21621912 32432868 43243824 64865736 129731472
- Sum of all divisors σ(n): 401778104
- Sum of proper divisors (its aliquot sum) s(n): 272046632
- 129731472 is an abundant number, because the sum of its proper divisors (272046632) is greater than itself. Its abundance is 142315160
Bases of 129731472
- Binary: 1111011101110001011100100002
- Hexadecimal: 0x7BB8B90
- Base-36: 258LG0
Squares and roots of 129731472
- 129731472 squared (1297314722) is 16830254827286784
- 129731472 cubed (1297314723) is 2183413732879020254466048
-
The
square root of 129731472 is 11389.9724319245 -
The
cube root of 129731472 is 506.2306644649
Scales and comparisons
How big is 129731472?- 129,731,472 seconds is equal to 4 years, 6 weeks, 3 days, 12 hours, 31 minutes, 12 seconds.
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To count from 1 to 129,731,472 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 129731472 cubic inches would be around 42.2 feet tall.
Recreational maths with 129731472
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The information we have on file for 129731472 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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