21352320
21,352,320 is an even composite number composed of five prime numbers multiplied together.
21352320 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21352320:
27 × 32 × 5 × 11 × 337
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 11 × 337)See below for interesting mathematical facts about the number 21352320 from the Numbermatics database.
Names of 21352320
- Cardinal: 21352320 can be written as Twenty-one million, three hundred fifty-two thousand, three hundred twenty.
Scientific notation
- Scientific notation: 2.135232 × 107
Factors of 21352320
Divisors of 21352320
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 55 60 64 66 72 80 88 90 96 99 110 120 128 132 144 160 165 176 180 192 198 220 240 264 288 320 330 337 352 360 384 396 440 480 495 528 576 640 660 674 704 720 792 880 960 990 1011 1056 1152 1320 1348 1408 1440 1584 1685 1760 1920 1980 2022 2112 2640 2696 2880 3033 3168 3370 3520 3707 3960 4044 4224 5055 5280 5392 5760 6066 6336 6740 7040 7414 7920 8088 10110 10560 10784 11121 12132 12672 13480 14828 15165 15840 16176 18535 20220 21120 21568 22242 24264 26960 29656 30330 31680 32352 33363 37070 40440 43136 44484 48528 53920 55605 59312 60660 63360 64704 66726 74140 80880 88968 97056 107840 111210 118624 121320 129408 133452 148280 161760 166815 177936 194112 215680 222420 237248 242640 266904 296560 323520 333630 355872 388224 444840 474496 485280 533808 593120 647040 667260 711744 889680 970560 1067616 1186240 1334520 1423488 1779360 1941120 2135232 2372480 2669040 3558720 4270464 5338080 7117440 10676160 21352320
- Sum of all divisors σ(n): 80673840
- Sum of proper divisors (its aliquot sum) s(n): 59321520
- 21352320 is an abundant number, because the sum of its proper divisors (59321520) is greater than itself. Its abundance is 37969200
Bases of 21352320
- Binary: 10100010111001111100000002
- Hexadecimal: 0x145CF80
- Base-36: CPNK0
Squares and roots of 21352320
- 21352320 squared (213523202) is 455921569382400
- 21352320 cubed (213523203) is 9734983244355207168000
-
The
square root of 21352320 is 4620.8570633595 -
The
cube root of 21352320 is 277.4267642141
Scales and comparisons
How big is 21352320?- 21,352,320 seconds is equal to 35 weeks, 2 days, 3 hours, 12 minutes.
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To count from 1 to 21,352,320 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 21352320 cubic inches would be around 23.1 feet tall.
Recreational maths with 21352320
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