213665920
213,665,920 is an even composite number composed of five prime numbers multiplied together.
213665920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 213665920:
27 × 5 × 13 × 61 × 421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 61 × 421)See below for interesting mathematical facts about the number 213665920 from the Numbermatics database.
Names of 213665920
- Cardinal: 213665920 can be written as Two hundred thirteen million, six hundred sixty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.1366592 × 108
Factors of 213665920
Divisors of 213665920
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 61 64 65 80 104 122 128 130 160 208 244 260 305 320 416 421 488 520 610 640 793 832 842 976 1040 1220 1586 1664 1684 1952 2080 2105 2440 3172 3368 3904 3965 4160 4210 4880 5473 6344 6736 7808 7930 8320 8420 9760 10946 12688 13472 15860 16840 19520 21892 25376 25681 26944 27365 31720 33680 39040 43784 50752 51362 53888 54730 63440 67360 87568 101504 102724 109460 126880 128405 134720 175136 205448 218920 253760 256810 269440 333853 350272 410896 437840 507520 513620 667706 700544 821792 875680 1027240 1335412 1643584 1669265 1751360 2054480 2670824 3287168 3338530 3502720 4108960 5341648 6677060 8217920 10683296 13354120 16435840 21366592 26708240 42733184 53416480 106832960 213665920
- Sum of all divisors σ(n): 560432880
- Sum of proper divisors (its aliquot sum) s(n): 346766960
- 213665920 is an abundant number, because the sum of its proper divisors (346766960) is greater than itself. Its abundance is 133101040
Bases of 213665920
- Binary: 11001011110001001000100000002
- Hexadecimal: 0xCBC4880
- Base-36: 3J7LOG
Squares and roots of 213665920
- 213665920 squared (2136659202) is 45653125369446400
- 213665920 cubed (2136659203) is 9754517032938104946688000
-
The
square root of 213665920 is 14617.3157590579 -
The
cube root of 213665920 is 597.8309832069
Scales and comparisons
How big is 213665920?- 213,665,920 seconds is equal to 6 years, 41 weeks, 1 day, 23 hours, 38 minutes, 40 seconds.
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To count from 1 to 213,665,920 would take you about ten 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 213665920 cubic inches would be around 49.8 feet tall.
Recreational maths with 213665920
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