20671872
20,671,872 is an even composite number composed of five prime numbers multiplied together.
20671872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 20671872:
27 × 3 × 13 × 41 × 101
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 41 × 101)See below for interesting mathematical facts about the number 20671872 from the Numbermatics database.
Names of 20671872
- Cardinal: 20671872 can be written as Twenty million, six hundred seventy-one thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.0671872 × 107
Factors of 20671872
Divisors of 20671872
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 4 6 8 12 13 16 24 26 32 39 41 48 52 64 78 82 96 101 104 123 128 156 164 192 202 208 246 303 312 328 384 404 416 492 533 606 624 656 808 832 984 1066 1212 1248 1312 1313 1599 1616 1664 1968 2132 2424 2496 2624 2626 3198 3232 3936 3939 4141 4264 4848 4992 5248 5252 6396 6464 7872 7878 8282 8528 9696 10504 12423 12792 12928 15744 15756 16564 17056 19392 21008 24846 25584 31512 33128 34112 38784 42016 49692 51168 53833 63024 66256 68224 84032 99384 102336 107666 126048 132512 161499 168064 198768 204672 215332 252096 265024 322998 397536 430664 504192 530048 645996 795072 861328 1291992 1590144 1722656 2583984 3445312 5167968 6890624 10335936 20671872
- Sum of all divisors σ(n): 61175520
- Sum of proper divisors (its aliquot sum) s(n): 40503648
- 20671872 is an abundant number, because the sum of its proper divisors (40503648) is greater than itself. Its abundance is 19831776
Bases of 20671872
- Binary: 10011101101101101100000002
- Hexadecimal: 0x13B6D80
- Base-36: CB2IO
Squares and roots of 20671872
- 20671872 squared (206718722) is 427326291984384
- 20671872 cubed (206718723) is 8833634410135812046848
-
The
square root of 20671872 is 4546.6330399539 -
The
cube root of 20671872 is 274.4479149753
Scales and comparisons
How big is 20671872?- 20,671,872 seconds is equal to 34 weeks, 1 day, 6 hours, 11 minutes, 12 seconds.
-
To count from 1 to 20,671,872 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 20671872 cubic inches would be around 22.9 feet tall.
Recreational maths with 20671872
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The information we have on file for 20671872 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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