30686400
30,686,400 is an even composite number composed of four prime numbers multiplied together.
30686400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twenty-six divisors.
Prime factorization of 30686400:
26 × 32 × 52 × 2131
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 2131)See below for interesting mathematical facts about the number 30686400 from the Numbermatics database.
Names of 30686400
- Cardinal: 30686400 can be written as Thirty million, six hundred eighty-six thousand, four hundred.
Scientific notation
- Scientific notation: 3.06864 × 107
Factors of 30686400
Divisors of 30686400
- Number of divisors d(n): 126
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 240 288 300 320 360 400 450 480 576 600 720 800 900 960 1200 1440 1600 1800 2131 2400 2880 3600 4262 4800 6393 7200 8524 10655 12786 14400 17048 19179 21310 25572 31965 34096 38358 42620 51144 53275 63930 68192 76716 85240 95895 102288 106550 127860 136384 153432 159825 170480 191790 204576 213100 255720 306864 319650 340960 383580 409152 426200 479475 511440 613728 639300 681920 767160 852400 958950 1022880 1227456 1278600 1534320 1704800 1917900 2045760 2557200 3068640 3409600 3835800 5114400 6137280 7671600 10228800 15343200 30686400
- Sum of all divisors σ(n): 109117892
- Sum of proper divisors (its aliquot sum) s(n): 78431492
- 30686400 is an abundant number, because the sum of its proper divisors (78431492) is greater than itself. Its abundance is 47745092
Bases of 30686400
- Binary: 11101010000111100110000002
- Hexadecimal: 0x1D43CC0
- Base-36: I9PS0
Squares and roots of 30686400
- 30686400 squared (306864002) is 941655144960000
- 30686400 cubed (306864003) is 28896006440300544000000
-
The
square root of 30686400 is 5539.5306660403 -
The
cube root of 30686400 is 313.0751859993
Scales and comparisons
How big is 30686400?- 30,686,400 seconds is equal to 50 weeks, 5 days, 4 hours.
-
To count from 1 to 30,686,400 would take you about twenty-four weeks!
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 30686400 cubic inches would be around 26.1 feet tall.
Recreational maths with 30686400
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