20445480
20,445,480 is an even composite number composed of five prime numbers multiplied together.
20445480 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 20445480:
23 × 33 × 5 × 11 × 1721
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 11 × 1721)See below for interesting mathematical facts about the number 20445480 from the Numbermatics database.
Names of 20445480
- Cardinal: 20445480 can be written as Twenty million, four hundred forty-five thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.044548 × 107
Factors of 20445480
Divisors of 20445480
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 88 90 99 108 110 120 132 135 165 180 198 216 220 264 270 297 330 360 396 440 495 540 594 660 792 990 1080 1188 1320 1485 1721 1980 2376 2970 3442 3960 5163 5940 6884 8605 10326 11880 13768 15489 17210 18931 20652 25815 30978 34420 37862 41304 46467 51630 56793 61956 68840 75724 77445 92934 94655 103260 113586 123912 151448 154890 170379 185868 189310 206520 227172 232335 283965 309780 340758 371736 378620 454344 464670 511137 567930 619560 681516 757240 851895 929340 1022274 1135860 1363032 1703790 1858680 2044548 2271720 2555685 3407580 4089096 5111370 6815160 10222740 20445480
- Sum of all divisors σ(n): 74390400
- Sum of proper divisors (its aliquot sum) s(n): 53944920
- 20445480 is an abundant number, because the sum of its proper divisors (53944920) is greater than itself. Its abundance is 33499440
Bases of 20445480
- Binary: 10011011111111001001010002
- Hexadecimal: 0x137F928
- Base-36: C67U0
Squares and roots of 20445480
- 20445480 squared (204454802) is 418017652430400
- 20445480 cubed (204454803) is 8546571552412694592000
-
The
square root of 20445480 is 4521.6678338861 -
The
cube root of 20445480 is 273.4423453073
Scales and comparisons
How big is 20445480?- 20,445,480 seconds is equal to 33 weeks, 5 days, 15 hours, 18 minutes.
-
To count from 1 to 20,445,480 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 20445480 cubic inches would be around 22.8 feet tall.
Recreational maths with 20445480
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The information we have on file for 20445480 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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