129850400
129,850,400 is an even composite number composed of four prime numbers multiplied together.
129850400 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 129850400:
25 × 52 × 292 × 193
(2 × 2 × 2 × 2 × 2 × 5 × 5 × 29 × 29 × 193)See below for interesting mathematical facts about the number 129850400 from the Numbermatics database.
Names of 129850400
- Cardinal: 129850400 can be written as One hundred twenty-nine million, eight hundred fifty thousand, four hundred.
Scientific notation
- Scientific notation: 1.298504 × 108
Factors of 129850400
Divisors of 129850400
- Number of divisors d(n): 108
-
Complete list of divisors:
1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 145 160 193 200 232 290 386 400 464 580 725 772 800 841 928 965 1160 1450 1544 1682 1930 2320 2900 3088 3364 3860 4205 4640 4825 5597 5800 6176 6728 7720 8410 9650 11194 11600 13456 15440 16820 19300 21025 22388 23200 26912 27985 30880 33640 38600 42050 44776 55970 67280 77200 84100 89552 111940 134560 139925 154400 162313 168200 179104 223880 279850 324626 336400 447760 559700 649252 672800 811565 895520 1119400 1298504 1623130 2238800 2597008 3246260 4057825 4477600 5194016 6492520 8115650 12985040 16231300 25970080 32462600 64925200 129850400
- Sum of all divisors σ(n): 330006222
- Sum of proper divisors (its aliquot sum) s(n): 200155822
- 129850400 is an abundant number, because the sum of its proper divisors (200155822) is greater than itself. Its abundance is 70305422
Bases of 129850400
- Binary: 1111011110101011100001000002
- Hexadecimal: 0x7BD5C20
- Base-36: 25B57K
Squares and roots of 129850400
- 129850400 squared (1298504002) is 16861126380160000
- 129850400 cubed (1298504003) is 2189424004914328064000000
-
The
square root of 129850400 is 11395.1919685451 -
The
cube root of 129850400 is 506.3853085457
Scales and comparisons
How big is 129850400?- 129,850,400 seconds is equal to 4 years, 6 weeks, 4 days, 21 hours, 33 minutes, 20 seconds.
-
To count from 1 to 129,850,400 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 129850400 cubic inches would be around 42.2 feet tall.
Recreational maths with 129850400
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