21271992
21,271,992 is an even composite number composed of five prime numbers multiplied together.
21271992 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21271992:
23 × 3 × 7 × 127 × 997
(2 × 2 × 2 × 3 × 7 × 127 × 997)See below for interesting mathematical facts about the number 21271992 from the Numbermatics database.
Names of 21271992
- Cardinal: 21271992 can be written as Twenty-one million, two hundred seventy-one thousand, nine hundred ninety-two.
Scientific notation
- Scientific notation: 2.1271992 × 107
Factors of 21271992
Divisors of 21271992
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 127 168 254 381 508 762 889 997 1016 1524 1778 1994 2667 2991 3048 3556 3988 5334 5982 6979 7112 7976 10668 11964 13958 20937 21336 23928 27916 41874 55832 83748 126619 167496 253238 379857 506476 759714 886333 1012952 1519428 1772666 2658999 3038856 3545332 5317998 7090664 10635996 21271992
- Sum of all divisors σ(n): 61317120
- Sum of proper divisors (its aliquot sum) s(n): 40045128
- 21271992 is an abundant number, because the sum of its proper divisors (40045128) is greater than itself. Its abundance is 18773136
Bases of 21271992
- Binary: 10100010010010101101110002
- Hexadecimal: 0x14495B8
- Base-36: CNXKO
Squares and roots of 21271992
- 21271992 squared (212719922) is 452497643648064
- 21271992 cubed (212719923) is 9625526255700468223488
-
The
square root of 21271992 is 4612.1569791151 -
The
cube root of 21271992 is 277.0784313955
Scales and comparisons
How big is 21271992?- 21,271,992 seconds is equal to 35 weeks, 1 day, 4 hours, 53 minutes, 12 seconds.
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To count from 1 to 21,271,992 would take you about five 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 21271992 cubic inches would be around 23.1 feet tall.
Recreational maths with 21271992
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The information we have on file for 21271992 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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