68908320
68,908,320 is an even composite number composed of five prime numbers multiplied together.
68908320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 68908320:
25 × 34 × 5 × 13 × 409
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 13 × 409)See below for interesting mathematical facts about the number 68908320 from the Numbermatics database.
Names of 68908320
- Cardinal: 68908320 can be written as Sixty-eight million, nine hundred eight thousand, three hundred twenty.
Scientific notation
- Scientific notation: 6.890832 × 107
Factors of 68908320
Divisors of 68908320
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 81 90 96 104 108 117 120 130 135 144 156 160 162 180 195 208 216 234 240 260 270 288 312 324 351 360 390 405 409 416 432 468 480 520 540 585 624 648 702 720 780 810 818 864 936 1040 1053 1080 1170 1227 1248 1296 1404 1440 1560 1620 1636 1755 1872 2045 2080 2106 2160 2340 2454 2592 2808 3120 3240 3272 3510 3681 3744 4090 4212 4320 4680 4908 5265 5317 5616 6135 6240 6480 6544 7020 7362 8180 8424 9360 9816 10530 10634 11043 11232 12270 12960 13088 14040 14724 15951 16360 16848 18405 18720 19632 21060 21268 22086 24540 26585 28080 29448 31902 32720 33129 33696 36810 39264 42120 42536 44172 47853 49080 53170 55215 56160 58896 63804 65440 66258 73620 79755 84240 85072 88344 95706 98160 106340 110430 117792 127608 132516 143559 147240 159510 165645 168480 170144 176688 191412 196320 212680 220860 239265 255216 265032 287118 294480 319020 331290 353376 382824 425360 430677 441720 478530 510432 530064 574236 588960 638040 662580 717795 765648 850720 861354 883440 957060 1060128 1148472 1276080 1325160 1435590 1531296 1722708 1766880 1914120 2153385 2296944 2552160 2650320 2871180 3445416 3828240 4306770 4593888 5300640 5742360 6890832 7656480 8613540 11484720 13781664 17227080 22969440 34454160 68908320
- Sum of all divisors σ(n): 262536120
- Sum of proper divisors (its aliquot sum) s(n): 193627800
- 68908320 is an abundant number, because the sum of its proper divisors (193627800) is greater than itself. Its abundance is 124719480
Bases of 68908320
- Binary: 1000001101101110101001000002
- Hexadecimal: 0x41B7520
- Base-36: 150Y00
Squares and roots of 68908320
- 68908320 squared (689083202) is 4748356565222400
- 68908320 cubed (689083203) is 327201273670446010368000
-
The
square root of 68908320 is 8301.1035410963 -
The
cube root of 68908320 is 409.9748546943
Scales and comparisons
How big is 68908320?- 68,908,320 seconds is equal to 2 years, 9 weeks, 6 days, 13 hours, 12 minutes.
-
To count from 1 to 68,908,320 would take you about three 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 68908320 cubic inches would be around 34.2 feet tall.
Recreational maths with 68908320
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