20812320
20,812,320 is an even composite number composed of five prime numbers multiplied together.
20812320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 20812320:
25 × 32 × 5 × 97 × 149
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 97 × 149)See below for interesting mathematical facts about the number 20812320 from the Numbermatics database.
Names of 20812320
- Cardinal: 20812320 can be written as Twenty million, eight hundred twelve thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.081232 × 107
Factors of 20812320
Divisors of 20812320
- Number of divisors d(n): 144
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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 72 80 90 96 97 120 144 149 160 180 194 240 288 291 298 360 388 447 480 485 582 596 720 745 776 873 894 970 1164 1192 1341 1440 1455 1490 1552 1746 1788 1940 2235 2328 2384 2682 2910 2980 3104 3492 3576 3880 4365 4470 4656 4768 5364 5820 5960 6705 6984 7152 7760 8730 8940 9312 10728 11640 11920 13410 13968 14304 14453 15520 17460 17880 21456 23280 23840 26820 27936 28906 34920 35760 42912 43359 46560 53640 57812 69840 71520 72265 86718 107280 115624 130077 139680 144530 173436 214560 216795 231248 260154 289060 346872 433590 462496 520308 578120 650385 693744 867180 1040616 1156240 1300770 1387488 1734360 2081232 2312480 2601540 3468720 4162464 5203080 6937440 10406160 20812320
- Sum of all divisors σ(n): 72235800
- Sum of proper divisors (its aliquot sum) s(n): 51423480
- 20812320 is an abundant number, because the sum of its proper divisors (51423480) is greater than itself. Its abundance is 30611160
Bases of 20812320
- Binary: 10011110110010010001000002
- Hexadecimal: 0x13D9220
- Base-36: CE2W0
Squares and roots of 20812320
- 20812320 squared (208123202) is 433152663782400
- 20812320 cubed (208123203) is 9014911847491719168000
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The
square root of 20812320 is 4562.0521698025 -
The
cube root of 20812320 is 275.0680602893
Scales and comparisons
How big is 20812320?- 20,812,320 seconds is equal to 34 weeks, 2 days, 21 hours, 12 minutes.
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To count from 1 to 20,812,320 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 20812320 cubic inches would be around 22.9 feet tall.
Recreational maths with 20812320
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The information we have on file for 20812320 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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