129879120
129,879,120 is an even composite number composed of six prime numbers multiplied together.
129879120 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 129879120:
24 × 3 × 5 × 7 × 97 × 797
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 97 × 797)See below for interesting mathematical facts about the number 129879120 from the Numbermatics database.
Names of 129879120
- Cardinal: 129879120 can be written as One hundred twenty-nine million, eight hundred seventy-nine thousand, one hundred twenty.
Scientific notation
- Scientific notation: 1.2987912 × 108
Factors of 129879120
Divisors of 129879120
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 97 105 112 120 140 168 194 210 240 280 291 336 388 420 485 560 582 679 776 797 840 970 1164 1358 1455 1552 1594 1680 1940 2037 2328 2391 2716 2910 3188 3395 3880 3985 4074 4656 4782 5432 5579 5820 6376 6790 7760 7970 8148 9564 10185 10864 11158 11640 11955 12752 13580 15940 16296 16737 19128 20370 22316 23280 23910 27160 27895 31880 32592 33474 38256 40740 44632 47820 54320 55790 63760 66948 77309 81480 83685 89264 95640 111580 133896 154618 162960 167370 191280 223160 231927 267792 309236 334740 386545 446320 463854 541163 618472 669480 773090 927708 1082326 1159635 1236944 1338960 1546180 1623489 1855416 2164652 2319270 2705815 3092360 3246978 3710832 4329304 4638540 5411630 6184720 6493956 8117445 8658608 9277080 10823260 12987912 16234890 18554160 21646520 25975824 32469780 43293040 64939560 129879120
- Sum of all divisors σ(n): 465470208
- Sum of proper divisors (its aliquot sum) s(n): 335591088
- 129879120 is an abundant number, because the sum of its proper divisors (335591088) is greater than itself. Its abundance is 205711968
Bases of 129879120
- Binary: 1111011110111001100010100002
- Hexadecimal: 0x7BDCC50
- Base-36: 25BRDC
Squares and roots of 129879120
- 129879120 squared (1298791202) is 16868585811974400
- 129879120 cubed (1298791203) is 2190877080903720534528000
-
The
square root of 129879120 is 11396.4520794851 -
The
cube root of 129879120 is 506.4226394899
Scales and comparisons
How big is 129879120?- 129,879,120 seconds is equal to 4 years, 6 weeks, 5 days, 5 hours, 32 minutes.
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To count from 1 to 129,879,120 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 129879120 cubic inches would be around 42.2 feet tall.
Recreational maths with 129879120
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