129835872
129,835,872 is an even composite number composed of four prime numbers multiplied together.
129835872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 129835872:
25 × 35 × 59 × 283
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 59 × 283)See below for interesting mathematical facts about the number 129835872 from the Numbermatics database.
Names of 129835872
- Cardinal: 129835872 can be written as One hundred twenty-nine million, eight hundred thirty-five thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.29835872 × 108
Factors of 129835872
Divisors of 129835872
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 59 72 81 96 108 118 144 162 177 216 236 243 283 288 324 354 432 472 486 531 566 648 708 849 864 944 972 1062 1132 1296 1416 1593 1698 1888 1944 2124 2264 2547 2592 2832 3186 3396 3888 4248 4528 4779 5094 5664 6372 6792 7641 7776 8496 9056 9558 10188 12744 13584 14337 15282 16697 16992 19116 20376 22923 25488 27168 28674 30564 33394 38232 40752 45846 50091 50976 57348 61128 66788 68769 76464 81504 91692 100182 114696 122256 133576 137538 150273 152928 183384 200364 229392 244512 267152 275076 300546 366768 400728 450819 458784 534304 550152 601092 733536 801456 901638 1100304 1202184 1352457 1602912 1803276 2200608 2404368 2704914 3606552 4057371 4808736 5409828 7213104 8114742 10819656 14426208 16229484 21639312 32458968 43278624 64917936 129835872
- Sum of all divisors σ(n): 390761280
- Sum of proper divisors (its aliquot sum) s(n): 260925408
- 129835872 is an abundant number, because the sum of its proper divisors (260925408) is greater than itself. Its abundance is 131089536
Bases of 129835872
- Binary: 1111011110100100011011000002
- Hexadecimal: 0x7BD2360
- Base-36: 25AU00
Squares and roots of 129835872
- 129835872 squared (1298358722) is 16857353658000384
- 129835872 cubed (1298358723) is 2188689211798869632974848
-
The
square root of 129835872 is 11394.5544888775 -
The
cube root of 129835872 is 506.3664226069
Scales and comparisons
How big is 129835872?- 129,835,872 seconds is equal to 4 years, 6 weeks, 4 days, 17 hours, 31 minutes, 12 seconds.
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To count from 1 to 129,835,872 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 129835872 cubic inches would be around 42.2 feet tall.
Recreational maths with 129835872
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