12688920
12,688,920 is an even composite number composed of five prime numbers multiplied together.
12688920 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 12688920:
23 × 33 × 5 × 31 × 379
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 31 × 379)See below for interesting mathematical facts about the number 12688920 from the Numbermatics database.
Names of 12688920
- Cardinal: 12688920 can be written as Twelve million, six hundred eighty-eight thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.268892 × 107
Factors of 12688920
Divisors of 12688920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 31 36 40 45 54 60 62 72 90 93 108 120 124 135 155 180 186 216 248 270 279 310 360 372 379 465 540 558 620 744 758 837 930 1080 1116 1137 1240 1395 1516 1674 1860 1895 2232 2274 2790 3032 3348 3411 3720 3790 4185 4548 5580 5685 6696 6822 7580 8370 9096 10233 11160 11370 11749 13644 15160 16740 17055 20466 22740 23498 27288 33480 34110 35247 40932 45480 46996 51165 58745 68220 70494 81864 93992 102330 105741 117490 136440 140988 176235 204660 211482 234980 281976 317223 352470 409320 422964 469960 528705 634446 704940 845928 1057410 1268892 1409880 1586115 2114820 2537784 3172230 4229640 6344460 12688920
- Sum of all divisors σ(n): 43776000
- Sum of proper divisors (its aliquot sum) s(n): 31087080
- 12688920 is an abundant number, because the sum of its proper divisors (31087080) is greater than itself. Its abundance is 18398160
Bases of 12688920
- Binary: 1100000110011110000110002
- Hexadecimal: 0xC19E18
- Base-36: 7JYU0
Squares and roots of 12688920
- 12688920 squared (126889202) is 161008690766400
- 12688920 cubed (126889203) is 2043026396439588288000
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The
square root of 12688920 is 3562.1510355403 -
The
cube root of 12688920 is 233.2427857283
Scales and comparisons
How big is 12688920?- 12,688,920 seconds is equal to 20 weeks, 6 days, 20 hours, 42 minutes.
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To count from 1 to 12,688,920 would take you about thirty-one 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 12688920 cubic inches would be around 19.4 feet tall.
Recreational maths with 12688920
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The information we have on file for 12688920 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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