20478480
20,478,480 is an even composite number composed of five prime numbers multiplied together.
20478480 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 20478480:
24 × 3 × 5 × 11 × 7757
(2 × 2 × 2 × 2 × 3 × 5 × 11 × 7757)See below for interesting mathematical facts about the number 20478480 from the Numbermatics database.
Names of 20478480
- Cardinal: 20478480 can be written as Twenty million, four hundred seventy-eight thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.047848 × 107
Factors of 20478480
Divisors of 20478480
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 132 165 176 220 240 264 330 440 528 660 880 1320 2640 7757 15514 23271 31028 38785 46542 62056 77570 85327 93084 116355 124112 155140 170654 186168 232710 255981 310280 341308 372336 426635 465420 511962 620560 682616 853270 930840 1023924 1279905 1365232 1706540 1861680 2047848 2559810 3413080 4095696 5119620 6826160 10239240 20478480
- Sum of all divisors σ(n): 69263424
- Sum of proper divisors (its aliquot sum) s(n): 48784944
- 20478480 is an abundant number, because the sum of its proper divisors (48784944) is greater than itself. Its abundance is 28306464
Bases of 20478480
- Binary: 10011100001111010000100002
- Hexadecimal: 0x1387A10
- Base-36: C6XAO
Squares and roots of 20478480
- 20478480 squared (204784802) is 419368143110400
- 20478480 cubed (204784803) is 8588022131323464192000
-
The
square root of 20478480 is 4525.3154586173 -
The
cube root of 20478480 is 273.5893826461
Scales and comparisons
How big is 20478480?- 20,478,480 seconds is equal to 33 weeks, 6 days, 28 minutes.
-
To count from 1 to 20,478,480 would take you about fifty 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 20478480 cubic inches would be around 22.8 feet tall.
Recreational maths with 20478480
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The information we have on file for 20478480 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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