129918080
129,918,080 is an even composite number composed of four prime numbers multiplied together.
129918080 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 129918080:
27 × 5 × 17 × 11941
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 17 × 11941)See below for interesting mathematical facts about the number 129918080 from the Numbermatics database.
Names of 129918080
- Cardinal: 129918080 can be written as One hundred twenty-nine million, nine hundred eighteen thousand and eighty.
Scientific notation
- Scientific notation: 1.2991808 × 108
Factors of 129918080
Divisors of 129918080
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 272 320 340 544 640 680 1088 1360 2176 2720 5440 10880 11941 23882 47764 59705 95528 119410 191056 202997 238820 382112 405994 477640 764224 811988 955280 1014985 1528448 1623976 1910560 2029970 3247952 3821120 4059940 6495904 7642240 8119880 12991808 16239760 25983616 32479520 64959040 129918080
- Sum of all divisors σ(n): 328882680
- Sum of proper divisors (its aliquot sum) s(n): 198964600
- 129918080 is an abundant number, because the sum of its proper divisors (198964600) is greater than itself. Its abundance is 69046520
Bases of 129918080
- Binary: 1111011111001100100100000002
- Hexadecimal: 0x7BE6480
- Base-36: 25CLFK
Squares and roots of 129918080
- 129918080 squared (1299180802) is 16878707510886400
- 129918080 cubed (1299180803) is 2192849272695940186112000
-
The
square root of 129918080 is 11398.1612552201 -
The
cube root of 129918080 is 506.4732718353
Scales and comparisons
How big is 129918080?- 129,918,080 seconds is equal to 4 years, 6 weeks, 5 days, 16 hours, 21 minutes, 20 seconds.
-
To count from 1 to 129,918,080 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 129918080 cubic inches would be around 42.2 feet tall.
Recreational maths with 129918080
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