20828340
20,828,340 is an even composite number composed of six prime numbers multiplied together.
20828340 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 20828340:
22 × 34 × 5 × 13 × 23 × 43
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 13 × 23 × 43)See below for interesting mathematical facts about the number 20828340 from the Numbermatics database.
Names of 20828340
- Cardinal: 20828340 can be written as Twenty million, eight hundred twenty-eight thousand, three hundred forty.
Scientific notation
- Scientific notation: 2.082834 × 107
Factors of 20828340
Divisors of 20828340
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 13 15 18 20 23 26 27 30 36 39 43 45 46 52 54 60 65 69 78 81 86 90 92 108 115 117 129 130 135 138 156 162 172 180 195 207 215 230 234 258 260 270 276 299 324 345 351 387 390 405 414 430 460 468 516 540 559 585 598 621 645 690 702 774 780 810 828 860 897 989 1035 1053 1118 1161 1170 1196 1242 1290 1380 1404 1495 1548 1620 1677 1755 1794 1863 1935 1978 2070 2106 2236 2322 2340 2484 2580 2691 2795 2967 2990 3105 3354 3483 3510 3588 3726 3870 3956 4140 4212 4485 4644 4945 5031 5265 5382 5590 5805 5934 5980 6210 6708 6966 7020 7452 7740 8073 8385 8901 8970 9315 9890 10062 10530 10764 11180 11610 11868 12420 12857 13455 13932 14835 15093 16146 16770 17415 17802 17940 18630 19780 20124 21060 23220 24219 25155 25714 26703 26910 29670 30186 32292 33540 34830 35604 37260 38571 40365 44505 45279 48438 50310 51428 53406 53820 59340 60372 64285 69660 75465 77142 80109 80730 89010 90558 96876 100620 106812 115713 121095 128570 133515 150930 154284 160218 161460 178020 181116 192855 226395 231426 242190 257140 267030 301860 320436 347139 385710 400545 452790 462852 484380 534060 578565 694278 771420 801090 905580 1041417 1157130 1388556 1602180 1735695 2082834 2314260 3471390 4165668 5207085 6942780 10414170 20828340
- Sum of all divisors σ(n): 75132288
- Sum of proper divisors (its aliquot sum) s(n): 54303948
- 20828340 is an abundant number, because the sum of its proper divisors (54303948) is greater than itself. Its abundance is 33475608
Bases of 20828340
- Binary: 10011110111010000101101002
- Hexadecimal: 0x13DD0B4
- Base-36: CEF90
Squares and roots of 20828340
- 20828340 squared (208283402) is 433819747155600
- 20828340 cubed (208283403) is 9035745192470869704000
-
The
square root of 20828340 is 4563.8076208359 -
The
cube root of 20828340 is 275.1386188201
Scales and comparisons
How big is 20828340?- 20,828,340 seconds is equal to 34 weeks, 3 days, 1 hour, 39 minutes.
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To count from 1 to 20,828,340 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 20828340 cubic inches would be around 22.9 feet tall.
Recreational maths with 20828340
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The information we have on file for 20828340 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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