2138640
2,138,640 is an even composite number composed of six prime numbers multiplied together.
2138640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 2138640:
24 × 3 × 5 × 7 × 19 × 67
(2 × 2 × 2 × 2 × 3 × 5 × 7 × 19 × 67)See below for interesting mathematical facts about the number 2138640 from the Numbermatics database.
Names of 2138640
- Cardinal: 2138640 can be written as Two million, one hundred thirty-eight thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.13864 × 106
Factors of 2138640
Divisors of 2138640
- Number of divisors d(n): 160
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 35 38 40 42 48 56 57 60 67 70 76 80 84 95 105 112 114 120 133 134 140 152 168 190 201 210 228 240 266 268 280 285 304 335 336 380 399 402 420 456 469 532 536 560 570 665 670 760 798 804 840 912 938 1005 1064 1072 1140 1273 1330 1340 1407 1520 1596 1608 1680 1876 1995 2010 2128 2280 2345 2546 2660 2680 2814 3192 3216 3752 3819 3990 4020 4560 4690 5092 5320 5360 5628 6365 6384 7035 7504 7638 7980 8040 8911 9380 10184 10640 11256 12730 14070 15276 15960 16080 17822 18760 19095 20368 22512 25460 26733 28140 30552 31920 35644 37520 38190 44555 50920 53466 56280 61104 71288 76380 89110 101840 106932 112560 133665 142576 152760 178220 213864 267330 305520 356440 427728 534660 712880 1069320 2138640
- Sum of all divisors σ(n): 8094720
- Sum of proper divisors (its aliquot sum) s(n): 5956080
- 2138640 is an abundant number, because the sum of its proper divisors (5956080) is greater than itself. Its abundance is 3817440
Bases of 2138640
- Binary: 10000010100010000100002
- Hexadecimal: 0x20A210
- Base-36: 19U6O
Squares and roots of 2138640
- 2138640 squared (21386402) is 4573781049600
- 2138640 cubed (21386403) is 9781671103916544000
-
The
square root of 2138640 is 1462.4089715263 -
The
cube root of 2138640 is 128.8385697793
Scales and comparisons
How big is 2138640?- 2,138,640 seconds is equal to 3 weeks, 3 days, 18 hours, 4 minutes.
-
To count from 1 to 2,138,640 would take you about five 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 2138640 cubic inches would be around 10.7 feet tall.
Recreational maths with 2138640
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The information we have on file for 2138640 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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