21001400
21,001,400 is an even composite number composed of four prime numbers multiplied together.
21001400 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 21001400:
23 × 52 × 72 × 2143
(2 × 2 × 2 × 5 × 5 × 7 × 7 × 2143)See below for interesting mathematical facts about the number 21001400 from the Numbermatics database.
Names of 21001400
- Cardinal: 21001400 can be written as Twenty-one million, one thousand, four hundred.
Scientific notation
- Scientific notation: 2.10014 × 107
Factors of 21001400
Divisors of 21001400
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 70 98 100 140 175 196 200 245 280 350 392 490 700 980 1225 1400 1960 2143 2450 4286 4900 8572 9800 10715 15001 17144 21430 30002 42860 53575 60004 75005 85720 105007 107150 120008 150010 210014 214300 300020 375025 420028 428600 525035 600040 750050 840056 1050070 1500100 2100140 2625175 3000200 4200280 5250350 10500700 21001400
- Sum of all divisors σ(n): 56826720
- Sum of proper divisors (its aliquot sum) s(n): 35825320
- 21001400 is an abundant number, because the sum of its proper divisors (35825320) is greater than itself. Its abundance is 14823920
Bases of 21001400
- Binary: 10100000001110100101110002
- Hexadecimal: 0x14074B8
- Base-36: CI4S8
Squares and roots of 21001400
- 21001400 squared (210014002) is 441058801960000
- 21001400 cubed (210014003) is 9262852323482744000000
-
The
square root of 21001400 is 4582.7284449333 -
The
cube root of 21001400 is 275.8985484445
Scales and comparisons
How big is 21001400?- 21,001,400 seconds is equal to 34 weeks, 5 days, 1 hour, 43 minutes, 20 seconds.
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To count from 1 to 21,001,400 would take you about fourteen hours!
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 21001400 cubic inches would be around 23 feet tall.
Recreational maths with 21001400
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The information we have on file for 21001400 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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