21142170
21,142,170 is an even composite number composed of six prime numbers multiplied together.
21142170 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 21142170:
2 × 32 × 5 × 7 × 37 × 907
(2 × 3 × 3 × 5 × 7 × 37 × 907)See below for interesting mathematical facts about the number 21142170 from the Numbermatics database.
Names of 21142170
- Cardinal: 21142170 can be written as Twenty-one million, one hundred forty-two thousand, one hundred seventy.
Scientific notation
- Scientific notation: 2.114217 × 107
Factors of 21142170
Divisors of 21142170
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 30 35 37 42 45 63 70 74 90 105 111 126 185 210 222 259 315 333 370 518 555 630 666 777 907 1110 1295 1554 1665 1814 2331 2590 2721 3330 3885 4535 4662 5442 6349 7770 8163 9070 11655 12698 13605 16326 19047 23310 27210 31745 33559 38094 40815 57141 63490 67118 81630 95235 100677 114282 167795 190470 201354 234913 285705 302031 335590 469826 503385 571410 604062 704739 1006770 1174565 1409478 1510155 2114217 2349130 3020310 3523695 4228434 7047390 10571085 21142170
- Sum of all divisors σ(n): 64591488
- Sum of proper divisors (its aliquot sum) s(n): 43449318
- 21142170 is an abundant number, because the sum of its proper divisors (43449318) is greater than itself. Its abundance is 22307148
Bases of 21142170
- Binary: 10100001010011010100110102
- Hexadecimal: 0x1429A9A
- Base-36: CL5EI
Squares and roots of 21142170
- 21142170 squared (211421702) is 446991352308900
- 21142170 cubed (211421703) is 9450367159044656313000
-
The
square root of 21142170 is 4598.0615480875 -
The
cube root of 21142170 is 276.5136151267
Scales and comparisons
How big is 21142170?- 21,142,170 seconds is equal to 34 weeks, 6 days, 16 hours, 49 minutes, 30 seconds.
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To count from 1 to 21,142,170 would take you about three 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 21142170 cubic inches would be around 23 feet tall.
Recreational maths with 21142170
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The information we have on file for 21142170 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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