21201436672
21,201,436,672 is an even composite number composed of four prime numbers multiplied together.
21201436672 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21201436672:
214 × 133 × 19 × 31
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 13 × 13 × 13 × 19 × 31)See below for interesting mathematical facts about the number 21201436672 from the Numbermatics database.
Names of 21201436672
- Cardinal: 21201436672 can be written as Twenty-one billion, two hundred one million, four hundred thirty-six thousand, six hundred seventy-two.
Scientific notation
- Scientific notation: 2.1201436672 × 1010
Factors of 21201436672
Divisors of 21201436672
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 8 13 16 19 26 31 32 38 52 62 64 76 104 124 128 152 169 208 247 248 256 304 338 403 416 494 496 512 589 608 676 806 832 988 992 1024 1178 1216 1352 1612 1664 1976 1984 2048 2197 2356 2432 2704 3211 3224 3328 3952 3968 4096 4394 4712 4864 5239 5408 6422 6448 6656 7657 7904 7936 8192 8788 9424 9728 10478 10816 12844 12896 13312 15314 15808 15872 16384 17576 18848 19456 20956 21632 25688 25792 26624 30628 31616 31744 35152 37696 38912 41743 41912 43264 51376 51584 53248 61256 63232 63488 68107 70304 75392 77824 83486 83824 86528 99541 102752 103168 106496 122512 126464 126976 136214 140608 150784 155648 166972 167648 173056 199082 205504 206336 212992 245024 252928 253952 272428 281216 301568 311296 333944 335296 346112 398164 411008 412672 490048 505856 507904 544856 562432 603136 667888 670592 692224 796328 822016 825344 980096 1011712 1089712 1124864 1206272 1294033 1335776 1341184 1384448 1592656 1644032 1650688 1960192 2023424 2179424 2249728 2412544 2588066 2671552 2682368 2768896 3185312 3288064 3301376 3920384 4046848 4358848 4499456 4825088 5176132 5343104 5364736 6370624 6576128 6602752 7840768 8717696 8998912 9650176 10352264 10686208 10729472 12741248 13152256 15681536 17435392 17997824 20704528 21372416 21458944 25482496 26304512 31363072 34870784 35995648 41409056 42744832 42917888 50964992 52609024 62726144 69741568 82818112 85489664 85835776 101929984 125452288 139483136 165636224 170979328 203859968 278966272 331272448 341958656 407719936 557932544 662544896 683917312 815439872 1115865088 1325089792 1630879744 2650179584 5300359168 10600718336 21201436672
- Sum of all divisors σ(n): 49910694400
- Sum of proper divisors (its aliquot sum) s(n): 28709257728
- 21201436672 is an abundant number, because the sum of its proper divisors (28709257728) is greater than itself. Its abundance is 7507821056
Bases of 21201436672
- Binary: 100111011111011010001000000000000002
- Hexadecimal: 0x4EFB44000
- Base-36: 9QMSD8G
Squares and roots of 21201436672
- 21201436672 squared (212014366722) is 449500916956826435584
- 21201436672 cubed (212014366723) is 9530065224866086632129663336448
-
The
square root of 21201436672 is 145607.1312539327 -
The
cube root of 21201436672 is 2767.7175249405
Scales and comparisons
How big is 21201436672?- 21,201,436,672 seconds is equal to 674 years, 7 weeks, 1 day, 23 hours, 57 minutes, 52 seconds.
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To count from 1 to 21,201,436,672 would take you about one thousand, three hundred forty-eight years!
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 21201436672 cubic inches would be around 230.6 feet tall.
Recreational maths with 21201436672
- 21201436672 backwards is 27663410212
- The number of decimal digits it has is: 11
- The sum of 21201436672's digits is 34
- More coming soon!
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