21206480
21,206,480 is an even composite number composed of five prime numbers multiplied together.
21206480 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 21206480:
24 × 5 × 17 × 31 × 503
(2 × 2 × 2 × 2 × 5 × 17 × 31 × 503)See below for interesting mathematical facts about the number 21206480 from the Numbermatics database.
Names of 21206480
- Cardinal: 21206480 can be written as Twenty-one million, two hundred six thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.120648 × 107
Factors of 21206480
Divisors of 21206480
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 31 34 40 62 68 80 85 124 136 155 170 248 272 310 340 496 503 527 620 680 1006 1054 1240 1360 2012 2108 2480 2515 2635 4024 4216 5030 5270 8048 8432 8551 10060 10540 15593 17102 20120 21080 31186 34204 40240 42160 42755 62372 68408 77965 85510 124744 136816 155930 171020 249488 265081 311860 342040 530162 623720 684080 1060324 1247440 1325405 2120648 2650810 4241296 5301620 10603240 21206480
- Sum of all divisors σ(n): 53996544
- Sum of proper divisors (its aliquot sum) s(n): 32790064
- 21206480 is an abundant number, because the sum of its proper divisors (32790064) is greater than itself. Its abundance is 11583584
Bases of 21206480
- Binary: 10100001110010101110100002
- Hexadecimal: 0x14395D0
- Base-36: CMJ0W
Squares and roots of 21206480
- 21206480 squared (212064802) is 449714793990400
- 21206480 cubed (212064803) is 9536867784461537792000
-
The
square root of 21206480 is 4605.0494025581 -
The
cube root of 21206480 is 276.7936966055
Scales and comparisons
How big is 21206480?- 21,206,480 seconds is equal to 35 weeks, 10 hours, 41 minutes, 20 seconds.
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To count from 1 to 21,206,480 would take you about four 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 21206480 cubic inches would be around 23.1 feet tall.
Recreational maths with 21206480
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The information we have on file for 21206480 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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