20829690
20,829,690 is an even composite number composed of six prime numbers multiplied together.
20829690 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 20829690:
2 × 33 × 5 × 7 × 103 × 107
(2 × 3 × 3 × 3 × 5 × 7 × 103 × 107)See below for interesting mathematical facts about the number 20829690 from the Numbermatics database.
Names of 20829690
- Cardinal: 20829690 can be written as Twenty million, eight hundred twenty-nine thousand, six hundred ninety.
Scientific notation
- Scientific notation: 2.082969 × 107
Factors of 20829690
Divisors of 20829690
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 90 103 105 107 126 135 189 206 210 214 270 309 315 321 378 515 535 618 630 642 721 749 927 945 963 1030 1070 1442 1498 1545 1605 1854 1890 1926 2163 2247 2781 2889 3090 3210 3605 3745 4326 4494 4635 4815 5562 5778 6489 6741 7210 7490 9270 9630 10815 11021 11235 12978 13482 13905 14445 19467 20223 21630 22042 22470 27810 28890 32445 33063 33705 38934 40446 55105 64890 66126 67410 77147 97335 99189 101115 110210 154294 165315 194670 198378 202230 231441 297567 330630 385735 462882 495945 595134 694323 771470 991890 1157205 1388646 1487835 2082969 2314410 2975670 3471615 4165938 6943230 10414845 20829690
- Sum of all divisors σ(n): 64696320
- Sum of proper divisors (its aliquot sum) s(n): 43866630
- 20829690 is an abundant number, because the sum of its proper divisors (43866630) is greater than itself. Its abundance is 23036940
Bases of 20829690
- Binary: 10011110111010101111110102
- Hexadecimal: 0x13DD5FA
- Base-36: CEGAI
Squares and roots of 20829690
- 20829690 squared (208296902) is 433875985496100
- 20829690 cubed (208296903) is 9037502276328259209000
-
The
square root of 20829690 is 4563.9555212555 -
The
cube root of 20829690 is 275.1445631107
Scales and comparisons
How big is 20829690?- 20,829,690 seconds is equal to 34 weeks, 3 days, 2 hours, 1 minute, 30 seconds.
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To count from 1 to 20,829,690 would take you about fifty-one weeks!
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 20829690 cubic inches would be around 22.9 feet tall.
Recreational maths with 20829690
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The information we have on file for 20829690 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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