20938764
20,938,764 is an even composite number composed of seven prime numbers multiplied together.
20938764 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 20938764:
22 × 3 × 7 × 11 × 17 × 31 × 43
(2 × 2 × 3 × 7 × 11 × 17 × 31 × 43)See below for interesting mathematical facts about the number 20938764 from the Numbermatics database.
Names of 20938764
- Cardinal: 20938764 can be written as Twenty million, nine hundred thirty-eight thousand, seven hundred sixty-four.
Scientific notation
- Scientific notation: 2.0938764 × 107
Factors of 20938764
Divisors of 20938764
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 7 11 12 14 17 21 22 28 31 33 34 42 43 44 51 62 66 68 77 84 86 93 102 119 124 129 132 154 172 186 187 204 217 231 238 258 301 308 341 357 372 374 434 462 473 476 516 527 561 602 651 682 714 731 748 868 903 924 946 1023 1054 1122 1204 1302 1309 1333 1364 1419 1428 1462 1581 1806 1892 2046 2108 2193 2244 2387 2604 2618 2666 2838 2924 3162 3311 3612 3689 3927 3999 4092 4386 4774 5117 5236 5332 5676 5797 6324 6622 7161 7378 7854 7998 8041 8772 9331 9548 9933 10234 11067 11594 13244 14322 14663 14756 15351 15708 15996 16082 17391 18662 19866 20468 22134 22661 23188 24123 27993 28644 29326 30702 32164 34782 37324 39732 40579 43989 44268 45322 48246 55986 56287 58652 61404 67983 69564 81158 87978 90644 96492 102641 111972 112574 121737 135966 158627 162316 168861 175956 205282 225148 243474 249271 271932 307923 317254 337722 410564 475881 486948 498542 615846 634508 675444 747813 951762 997084 1231692 1495626 1744897 1903524 2991252 3489794 5234691 6979588 10469382 20938764
- Sum of all divisors σ(n): 68124672
- Sum of proper divisors (its aliquot sum) s(n): 47185908
- 20938764 is an abundant number, because the sum of its proper divisors (47185908) is greater than itself. Its abundance is 26247144
Bases of 20938764
- Binary: 10011111110000000000011002
- Hexadecimal: 0x13F800C
- Base-36: CGSGC
Squares and roots of 20938764
- 20938764 squared (209387642) is 438431837847696
- 20938764 cubed (209387643) is 9180220782779174487744
-
The
square root of 20938764 is 4575.8894217407 -
The
cube root of 20938764 is 275.6239891263
Scales and comparisons
How big is 20938764?- 20,938,764 seconds is equal to 34 weeks, 4 days, 8 hours, 19 minutes, 24 seconds.
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To count from 1 to 20,938,764 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 20938764 cubic inches would be around 23 feet tall.
Recreational maths with 20938764
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