68388840
68,388,840 is an even composite number composed of five prime numbers multiplied together.
68388840 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 68388840:
23 × 33 × 5 × 13 × 4871
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 13 × 4871)See below for interesting mathematical facts about the number 68388840 from the Numbermatics database.
Names of 68388840
- Cardinal: 68388840 can be written as Sixty-eight million, three hundred eighty-eight thousand, eight hundred forty.
Scientific notation
- Scientific notation: 6.838884 × 107
Factors of 68388840
Divisors of 68388840
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 90 104 108 117 120 130 135 156 180 195 216 234 260 270 312 351 360 390 468 520 540 585 702 780 936 1080 1170 1404 1560 1755 2340 2808 3510 4680 4871 7020 9742 14040 14613 19484 24355 29226 38968 43839 48710 58452 63323 73065 87678 97420 116904 126646 131517 146130 175356 189969 194840 219195 253292 263034 292260 316615 350712 379938 438390 506584 526068 569907 584520 633230 657585 759876 876780 949845 1052136 1139814 1266460 1315170 1519752 1709721 1753560 1899690 2279628 2532920 2630340 2849535 3419442 3799380 4559256 5260680 5699070 6838884 7598760 8548605 11398140 13677768 17097210 22796280 34194420 68388840
- Sum of all divisors σ(n): 245548800
- Sum of proper divisors (its aliquot sum) s(n): 177159960
- 68388840 is an abundant number, because the sum of its proper divisors (177159960) is greater than itself. Its abundance is 108771120
Bases of 68388840
- Binary: 1000001001110000111111010002
- Hexadecimal: 0x41387E8
- Base-36: 14PT60
Squares and roots of 68388840
- 68388840 squared (683888402) is 4677033436545600
- 68388840 cubed (683888403) is 319856891366567191104000
-
The
square root of 68388840 is 8269.7545308189 -
The
cube root of 68388840 is 408.9420274397
Scales and comparisons
How big is 68388840?- 68,388,840 seconds is equal to 2 years, 9 weeks, 12 hours, 54 minutes.
-
To count from 1 to 68,388,840 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 68388840 cubic inches would be around 34.1 feet tall.
Recreational maths with 68388840
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The information we have on file for 68388840 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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