20649330
20,649,330 is an even composite number composed of six prime numbers multiplied together.
20649330 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 20649330:
2 × 34 × 5 × 13 × 37 × 53
(2 × 3 × 3 × 3 × 3 × 5 × 13 × 37 × 53)See below for interesting mathematical facts about the number 20649330 from the Numbermatics database.
Names of 20649330
- Cardinal: 20649330 can be written as Twenty million, six hundred forty-nine thousand, three hundred thirty.
Scientific notation
- Scientific notation: 2.064933 × 107
Factors of 20649330
Divisors of 20649330
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 5 6 9 10 13 15 18 26 27 30 37 39 45 53 54 65 74 78 81 90 106 111 117 130 135 159 162 185 195 222 234 265 270 318 333 351 370 390 405 477 481 530 555 585 666 689 702 795 810 954 962 999 1053 1110 1170 1378 1431 1443 1590 1665 1755 1961 1998 2067 2106 2385 2405 2862 2886 2997 3330 3445 3510 3922 4134 4293 4329 4770 4810 4995 5265 5883 5994 6201 6890 7155 7215 8586 8658 9805 9990 10335 10530 11766 12402 12987 14310 14430 14985 17649 18603 19610 20670 21465 21645 25493 25974 29415 29970 31005 35298 37206 38961 42930 43290 50986 52947 55809 58830 62010 64935 76479 77922 88245 93015 105894 111618 127465 129870 152958 158841 176490 186030 194805 229437 254930 264735 279045 317682 382395 389610 458874 529470 558090 688311 764790 794205 1147185 1376622 1588410 2064933 2294370 3441555 4129866 6883110 10324665 20649330
- Sum of all divisors σ(n): 62569584
- Sum of proper divisors (its aliquot sum) s(n): 41920254
- 20649330 is an abundant number, because the sum of its proper divisors (41920254) is greater than itself. Its abundance is 21270924
Bases of 20649330
- Binary: 10011101100010101011100102
- Hexadecimal: 0x13B1572
- Base-36: CAL4I
Squares and roots of 20649330
- 20649330 squared (206493302) is 426394829448900
- 20649330 cubed (206493303) is 8804767543584054237000
-
The
square root of 20649330 is 4544.1533864957 -
The
cube root of 20649330 is 274.3481198685
Scales and comparisons
How big is 20649330?- 20,649,330 seconds is equal to 34 weeks, 23 hours, 55 minutes, 30 seconds.
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To count from 1 to 20,649,330 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 20649330 cubic inches would be around 22.9 feet tall.
Recreational maths with 20649330
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