21290850
21,290,850 is an even composite number composed of five prime numbers multiplied together.
21290850 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21290850:
2 × 34 × 52 × 7 × 751
(2 × 3 × 3 × 3 × 3 × 5 × 5 × 7 × 751)See below for interesting mathematical facts about the number 21290850 from the Numbermatics database.
Names of 21290850
- Cardinal: 21290850 can be written as Twenty-one million, two hundred ninety thousand, eight hundred fifty.
Scientific notation
- Scientific notation: 2.129085 × 107
Factors of 21290850
Divisors of 21290850
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 25 27 30 35 42 45 50 54 63 70 75 81 90 105 126 135 150 162 175 189 210 225 270 315 350 378 405 450 525 567 630 675 751 810 945 1050 1134 1350 1502 1575 1890 2025 2253 2835 3150 3755 4050 4506 4725 5257 5670 6759 7510 9450 10514 11265 13518 14175 15771 18775 20277 22530 26285 28350 31542 33795 37550 40554 47313 52570 56325 60831 67590 78855 94626 101385 112650 121662 131425 141939 157710 168975 202770 236565 262850 283878 304155 337950 394275 425817 473130 506925 608310 709695 788550 851634 1013850 1182825 1419390 1520775 2129085 2365650 3041550 3548475 4258170 7096950 10645425 21290850
- Sum of all divisors σ(n): 67698048
- Sum of proper divisors (its aliquot sum) s(n): 46407198
- 21290850 is an abundant number, because the sum of its proper divisors (46407198) is greater than itself. Its abundance is 25116348
Bases of 21290850
- Binary: 10100010011011111011000102
- Hexadecimal: 0x144DF62
- Base-36: COC4I
Squares and roots of 21290850
- 21290850 squared (212908502) is 453300293722500
- 21290850 cubed (212908503) is 9651148558601689125000
-
The
square root of 21290850 is 4614.2009058991 -
The
cube root of 21290850 is 277.1602855343
Scales and comparisons
How big is 21290850?- 21,290,850 seconds is equal to 35 weeks, 1 day, 10 hours, 7 minutes, 30 seconds.
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To count from 1 to 21,290,850 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 21290850 cubic inches would be around 23.1 feet tall.
Recreational maths with 21290850
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The information we have on file for 21290850 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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