21342960
21,342,960 is an even composite number composed of five prime numbers multiplied together.
21342960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21342960:
24 × 33 × 5 × 41 × 241
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 41 × 241)See below for interesting mathematical facts about the number 21342960 from the Numbermatics database.
Names of 21342960
- Cardinal: 21342960 can be written as Twenty-one million, three hundred forty-two thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 2.134296 × 107
Factors of 21342960
Divisors of 21342960
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 41 45 48 54 60 72 80 82 90 108 120 123 135 144 164 180 205 216 240 241 246 270 328 360 369 410 432 482 492 540 615 656 720 723 738 820 964 984 1080 1107 1205 1230 1446 1476 1640 1845 1928 1968 2160 2169 2214 2410 2460 2892 2952 3280 3615 3690 3856 4338 4428 4820 4920 5535 5784 5904 6507 7230 7380 8676 8856 9640 9840 9881 10845 11070 11568 13014 14460 14760 17352 17712 19280 19762 21690 22140 26028 28920 29520 29643 32535 34704 39524 43380 44280 49405 52056 57840 59286 65070 79048 86760 88560 88929 98810 104112 118572 130140 148215 158096 173520 177858 197620 237144 260280 266787 296430 355716 395240 444645 474288 520560 533574 592860 711432 790480 889290 1067148 1185720 1333935 1422864 1778580 2134296 2371440 2667870 3557160 4268592 5335740 7114320 10671480 21342960
- Sum of all divisors σ(n): 75620160
- Sum of proper divisors (its aliquot sum) s(n): 54277200
- 21342960 is an abundant number, because the sum of its proper divisors (54277200) is greater than itself. Its abundance is 32934240
Bases of 21342960
- Binary: 10100010110101010111100002
- Hexadecimal: 0x145AAF0
- Base-36: CPGC0
Squares and roots of 21342960
- 21342960 squared (213429602) is 455521941561600
- 21342960 cubed (213429603) is 9722186577871566336000
-
The
square root of 21342960 is 4619.8441532155 -
The
cube root of 21342960 is 277.3862207035
Scales and comparisons
How big is 21342960?- 21,342,960 seconds is equal to 35 weeks, 2 days, 36 minutes.
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To count from 1 to 21,342,960 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 21342960 cubic inches would be around 23.1 feet tall.
Recreational maths with 21342960
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