20880720
20,880,720 is an even composite number composed of five prime numbers multiplied together.
20880720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 20880720:
24 × 33 × 5 × 7 × 1381
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 1381)See below for interesting mathematical facts about the number 20880720 from the Numbermatics database.
Names of 20880720
- Cardinal: 20880720 can be written as Twenty million, eight hundred eighty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.088072 × 107
Factors of 20880720
Divisors of 20880720
- Number of divisors d(n): 160
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 84 90 105 108 112 120 126 135 140 144 168 180 189 210 216 240 252 270 280 315 336 360 378 420 432 504 540 560 630 720 756 840 945 1008 1080 1260 1381 1512 1680 1890 2160 2520 2762 3024 3780 4143 5040 5524 6905 7560 8286 9667 11048 12429 13810 15120 16572 19334 20715 22096 24858 27620 29001 33144 37287 38668 41430 48335 49716 55240 58002 62145 66288 74574 77336 82860 87003 96670 99432 110480 116004 124290 145005 149148 154672 165720 174006 186435 193340 198864 232008 248580 261009 290010 298296 331440 348012 372870 386680 435015 464016 497160 522018 580020 596592 696024 745740 773360 870030 994320 1044036 1160040 1305045 1392048 1491480 1740060 2088072 2320080 2610090 2982960 3480120 4176144 5220180 6960240 10440360 20880720
- Sum of all divisors σ(n): 82256640
- Sum of proper divisors (its aliquot sum) s(n): 61375920
- 20880720 is an abundant number, because the sum of its proper divisors (61375920) is greater than itself. Its abundance is 40495200
Bases of 20880720
- Binary: 10011111010011101010100002
- Hexadecimal: 0x13E9D50
- Base-36: CFJO0
Squares and roots of 20880720
- 20880720 squared (208807202) is 436004467718400
- 20880720 cubed (208807203) is 9104087209176949248000
-
The
square root of 20880720 is 4569.5426466989 -
The
cube root of 20880720 is 275.3690692001
Scales and comparisons
How big is 20880720?- 20,880,720 seconds is equal to 34 weeks, 3 days, 16 hours, 12 minutes.
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To count from 1 to 20,880,720 would take you about fifty-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 20880720 cubic inches would be around 22.9 feet tall.
Recreational maths with 20880720
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The information we have on file for 20880720 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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