21430955
21,430,955 is an odd composite number composed of six prime numbers multiplied together.
What does the number 21430955 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 64 divisors.
21430955 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21430955:
5 × 7 × 13 × 19 × 37 × 67
See below for interesting mathematical facts about the number 21430955 from the Numbermatics database.
Names of 21430955
- Cardinal: 21430955 can be written as Twenty-one million, four hundred thirty thousand, nine hundred fifty-five.
Scientific notation
- Scientific notation: 2.1430955 × 107
Factors of 21430955
Divisors of 21430955
- Number of divisors d(n): 64
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Complete list of divisors:
1 5 7 13 19 35 37 65 67 91 95 133 185 247 259 335 455 469 481 665 703 871 1235 1273 1295 1729 2345 2405 2479 3367 3515 4355 4921 6097 6365 8645 8911 9139 12395 16549 16835 17353 24605 30485 32227 44555 45695 47101 63973 82745 86765 115843 161135 225589 235505 319865 329707 579215 612313 1127945 1648535 3061565 4286191 21430955
- Sum of all divisors σ(n): 34728960
- Sum of proper divisors (its aliquot sum) s(n): 13298005
- 21430955 is a deficient number, because the sum of its proper divisors (13298005) is less than itself. Its deficiency is 8132950
Bases of 21430955
- Binary: 10100011100000010101010112
- Hexadecimal: 0x14702AB
- Base-36: CRC8B
Squares and roots of 21430955
- 21430955 squared (214309552) is 459285832212025
- 21430955 cubed (214309553) is 9842934002273458233875
-
The
square root of 21430955 is 4629.3579468435 -
The
cube root of 21430955 is 277.7669103601
Scales and comparisons
How big is 21430955?- 21,430,955 seconds is equal to 35 weeks, 3 days, 1 hour, 2 minutes, 35 seconds.
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To count from 1 to 21,430,955 would take you about thirty-three 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 21430955 cubic inches would be around 23.1 feet tall.
Recreational maths with 21430955
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The information we have on file for 21430955 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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