126129920
126,129,920 is an even composite number composed of four prime numbers multiplied together.
126129920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 126129920:
28 × 5 × 72 × 2011
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 7 × 2011)See below for interesting mathematical facts about the number 126129920 from the Numbermatics database.
Names of 126129920
- Cardinal: 126129920 can be written as One hundred twenty-six million, one hundred twenty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.2612992 × 108
Factors of 126129920
Divisors of 126129920
- Number of divisors d(n): 108
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 196 224 245 256 280 320 392 448 490 560 640 784 896 980 1120 1280 1568 1792 1960 2011 2240 3136 3920 4022 4480 6272 7840 8044 8960 10055 12544 14077 15680 16088 20110 28154 31360 32176 40220 56308 62720 64352 70385 80440 98539 112616 128704 140770 160880 197078 225232 257408 281540 321760 394156 450464 492695 514816 563080 643520 788312 900928 985390 1126160 1287040 1576624 1801856 1970780 2252320 2574080 3153248 3603712 3941560 4504640 6306496 7883120 9009280 12612992 15766240 18018560 25225984 31532480 63064960 126129920
- Sum of all divisors σ(n): 351621144
- Sum of proper divisors (its aliquot sum) s(n): 225491224
- 126129920 is an abundant number, because the sum of its proper divisors (225491224) is greater than itself. Its abundance is 99361304
Bases of 126129920
- Binary: 1111000010010010111000000002
- Hexadecimal: 0x7849700
- Base-36: 233EGW
Squares and roots of 126129920
- 126129920 squared (1261299202) is 15908756719206400
- 126129920 cubed (1261299203) is 2006570212292965695488000
-
The
square root of 126129920 is 11230.7577660637 -
The
cube root of 126129920 is 501.5020432139
Scales and comparisons
How big is 126129920?- 126,129,920 seconds is equal to 4 years, 3 days, 20 hours, 5 minutes, 20 seconds.
-
To count from 1 to 126,129,920 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 126129920 cubic inches would be around 41.8 feet tall.
Recreational maths with 126129920
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