20890688
20,890,688 is an even composite number composed of five prime numbers multiplied together.
20890688 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 20890688:
26 × 7 × 13 × 17 × 211
(2 × 2 × 2 × 2 × 2 × 2 × 7 × 13 × 17 × 211)See below for interesting mathematical facts about the number 20890688 from the Numbermatics database.
Names of 20890688
- Cardinal: 20890688 can be written as Twenty million, eight hundred ninety thousand, six hundred eighty-eight.
Scientific notation
- Scientific notation: 2.0890688 × 107
Factors of 20890688
Divisors of 20890688
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 7 8 13 14 16 17 26 28 32 34 52 56 64 68 91 104 112 119 136 182 208 211 221 224 238 272 364 416 422 442 448 476 544 728 832 844 884 952 1088 1456 1477 1547 1688 1768 1904 2743 2912 2954 3094 3376 3536 3587 3808 5486 5824 5908 6188 6752 7072 7174 7616 10972 11816 12376 13504 14144 14348 19201 21944 23632 24752 25109 28696 38402 43888 46631 47264 49504 50218 57392 76804 87776 93262 94528 99008 100436 114784 153608 175552 186524 200872 229568 307216 326417 373048 401744 614432 652834 746096 803488 1228864 1305668 1492192 1606976 2611336 2984384 5222672 10445344 20890688
- Sum of all divisors σ(n): 54278784
- Sum of proper divisors (its aliquot sum) s(n): 33388096
- 20890688 is an abundant number, because the sum of its proper divisors (33388096) is greater than itself. Its abundance is 12497408
Bases of 20890688
- Binary: 10011111011000100010000002
- Hexadecimal: 0x13EC440
- Base-36: CFRCW
Squares and roots of 20890688
- 20890688 squared (208906882) is 436420845113344
- 20890688 cubed (208906883) is 9117131711959194140672
-
The
square root of 20890688 is 4570.6332165249 -
The
cube root of 20890688 is 275.4128806237
Scales and comparisons
How big is 20890688?- 20,890,688 seconds is equal to 34 weeks, 3 days, 18 hours, 58 minutes, 8 seconds.
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To count from 1 to 20,890,688 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 20890688 cubic inches would be around 23 feet tall.
Recreational maths with 20890688
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The information we have on file for 20890688 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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