21364512
21,364,512 is an even composite number composed of six prime numbers multiplied together.
21364512 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21364512:
25 × 3 × 13 × 17 × 19 × 53
(2 × 2 × 2 × 2 × 2 × 3 × 13 × 17 × 19 × 53)See below for interesting mathematical facts about the number 21364512 from the Numbermatics database.
Names of 21364512
- Cardinal: 21364512 can be written as Twenty-one million, three hundred sixty-four thousand, five hundred twelve.
Scientific notation
- Scientific notation: 2.1364512 × 107
Factors of 21364512
Divisors of 21364512
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 17 19 24 26 32 34 38 39 48 51 52 53 57 68 76 78 96 102 104 106 114 136 152 156 159 204 208 212 221 228 247 272 304 312 318 323 408 416 424 442 456 494 544 608 624 636 646 663 689 741 816 848 884 901 912 969 988 1007 1248 1272 1292 1326 1378 1482 1632 1696 1768 1802 1824 1938 1976 2014 2067 2544 2584 2652 2703 2756 2964 3021 3536 3604 3876 3952 4028 4134 4199 5088 5168 5304 5406 5512 5928 6042 7072 7208 7752 7904 8056 8268 8398 10336 10608 10812 11024 11713 11856 12084 12597 13091 14416 15504 16112 16536 16796 17119 21216 21624 22048 23426 23712 24168 25194 26182 28832 31008 32224 33072 33592 34238 35139 39273 43248 46852 48336 50388 51357 52364 66144 67184 68476 70278 78546 86496 93704 96672 100776 102714 104728 134368 136952 140556 157092 187408 201552 205428 209456 222547 273904 281112 314184 374816 403104 410856 418912 445094 547808 562224 628368 667641 821712 890188 1124448 1256736 1335282 1643424 1780376 2670564 3560752 5341128 7121504 10682256 21364512
- Sum of all divisors σ(n): 68584320
- Sum of proper divisors (its aliquot sum) s(n): 47219808
- 21364512 is an abundant number, because the sum of its proper divisors (47219808) is greater than itself. Its abundance is 25855296
Bases of 21364512
- Binary: 10100010111111111001000002
- Hexadecimal: 0x145FF20
- Base-36: CPWYO
Squares and roots of 21364512
- 21364512 squared (213645122) is 456442372998144
- 21364512 cubed (213645123) is 9751668555227323465728
-
The
square root of 21364512 is 4622.1761108811 -
The
cube root of 21364512 is 277.4795569715
Scales and comparisons
How big is 21364512?- 21,364,512 seconds is equal to 35 weeks, 2 days, 6 hours, 35 minutes, 12 seconds.
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To count from 1 to 21,364,512 would take you about six days!
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 21364512 cubic inches would be around 23.1 feet tall.
Recreational maths with 21364512
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