2139840
2,139,840 is an even composite number composed of four prime numbers multiplied together.
2139840 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of eighty-four divisors.
Prime factorization of 2139840:
26 × 32 × 5 × 743
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 743)See below for interesting mathematical facts about the number 2139840 from the Numbermatics database.
Names of 2139840
- Cardinal: 2139840 can be written as Two million, one hundred thirty-nine thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.13984 × 106
Factors of 2139840
Divisors of 2139840
- Number of divisors d(n): 84
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 144 160 180 192 240 288 320 360 480 576 720 743 960 1440 1486 2229 2880 2972 3715 4458 5944 6687 7430 8916 11145 11888 13374 14860 17832 22290 23776 26748 29720 33435 35664 44580 47552 53496 59440 66870 71328 89160 106992 118880 133740 142656 178320 213984 237760 267480 356640 427968 534960 713280 1069920 2139840
- Sum of all divisors σ(n): 7370064
- Sum of proper divisors (its aliquot sum) s(n): 5230224
- 2139840 is an abundant number, because the sum of its proper divisors (5230224) is greater than itself. Its abundance is 3090384
Bases of 2139840
- Binary: 10000010100110110000002
- Hexadecimal: 0x20A6C0
- Base-36: 19V40
Squares and roots of 2139840
- 2139840 squared (21398402) is 4578915225600
- 2139840 cubed (21398403) is 9798145956347904000
-
The
square root of 2139840 is 1462.8191959363 -
The
cube root of 2139840 is 128.8626625635
Scales and comparisons
How big is 2139840?- 2,139,840 seconds is equal to 3 weeks, 3 days, 18 hours, 24 minutes.
-
To count from 1 to 2,139,840 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 2139840 cubic inches would be around 10.7 feet tall.
Recreational maths with 2139840
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The information we have on file for 2139840 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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