21370560
21,370,560 is an even composite number composed of five prime numbers multiplied together.
21370560 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 21370560:
26 × 3 × 5 × 113 × 197
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 113 × 197)See below for interesting mathematical facts about the number 21370560 from the Numbermatics database.
Names of 21370560
- Cardinal: 21370560 can be written as Twenty-one million, three hundred seventy thousand, five hundred sixty.
Scientific notation
- Scientific notation: 2.137056 × 107
Factors of 21370560
Divisors of 21370560
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 113 120 160 192 197 226 240 320 339 394 452 480 565 591 678 788 904 960 985 1130 1182 1356 1576 1695 1808 1970 2260 2364 2712 2955 3152 3390 3616 3940 4520 4728 5424 5910 6304 6780 7232 7880 9040 9456 10848 11820 12608 13560 15760 18080 18912 21696 22261 23640 27120 31520 36160 37824 44522 47280 54240 63040 66783 89044 94560 108480 111305 133566 178088 189120 222610 267132 333915 356176 445220 534264 667830 712352 890440 1068528 1335660 1424704 1780880 2137056 2671320 3561760 4274112 5342640 7123520 10685280 21370560
- Sum of all divisors σ(n): 68799456
- Sum of proper divisors (its aliquot sum) s(n): 47428896
- 21370560 is an abundant number, because the sum of its proper divisors (47428896) is greater than itself. Its abundance is 26058336
Bases of 21370560
- Binary: 10100011000010110110000002
- Hexadecimal: 0x14616C0
- Base-36: CQ1MO
Squares and roots of 21370560
- 21370560 squared (213705602) is 456700834713600
- 21370560 cubed (213705603) is 9759952590297071616000
-
The
square root of 21370560 is 4622.8303018821 -
The
cube root of 21370560 is 277.5057380519
Scales and comparisons
How big is 21370560?- 21,370,560 seconds is equal to 35 weeks, 2 days, 8 hours, 16 minutes.
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To count from 1 to 21,370,560 would take you about twenty-four minutes!
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 21370560 cubic inches would be around 23.1 feet tall.
Recreational maths with 21370560
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