20889440
20,889,440 is an even composite number composed of five prime numbers multiplied together.
20889440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 20889440:
25 × 5 × 112 × 13 × 83
(2 × 2 × 2 × 2 × 2 × 5 × 11 × 11 × 13 × 83)See below for interesting mathematical facts about the number 20889440 from the Numbermatics database.
Names of 20889440
- Cardinal: 20889440 can be written as Twenty million, eight hundred eighty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.088944 × 107
Factors of 20889440
Divisors of 20889440
- Number of divisors d(n): 144
-
Complete list of divisors:
1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 65 80 83 88 104 110 121 130 143 160 166 176 208 220 242 260 286 332 352 415 416 440 484 520 572 605 664 715 830 880 913 968 1040 1079 1144 1210 1328 1430 1573 1660 1760 1826 1936 2080 2158 2288 2420 2656 2860 3146 3320 3652 3872 4316 4565 4576 4840 5395 5720 6292 6640 7304 7865 8632 9130 9680 10043 10790 11440 11869 12584 13280 14608 15730 17264 18260 19360 20086 21580 22880 23738 25168 29216 31460 34528 36520 40172 43160 47476 50215 50336 59345 62920 73040 80344 86320 94952 100430 118690 125840 130559 146080 160688 172640 189904 200860 237380 251680 261118 321376 379808 401720 474760 522236 652795 803440 949520 1044472 1305590 1606880 1899040 2088944 2611180 4177888 5222360 10444720 20889440
- Sum of all divisors σ(n): 59122224
- Sum of proper divisors (its aliquot sum) s(n): 38232784
- 20889440 is an abundant number, because the sum of its proper divisors (38232784) is greater than itself. Its abundance is 17343344
Bases of 20889440
- Binary: 10011111010111111011000002
- Hexadecimal: 0x13EBF60
- Base-36: CFQE8
Squares and roots of 20889440
- 20889440 squared (208894402) is 436368703513600
- 20889440 cubed (208894403) is 9115497849925136384000
-
The
square root of 20889440 is 4570.4966907329 -
The
cube root of 20889440 is 275.4073961687
Scales and comparisons
How big is 20889440?- 20,889,440 seconds is equal to 34 weeks, 3 days, 18 hours, 37 minutes, 20 seconds.
-
To count from 1 to 20,889,440 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 20889440 cubic inches would be around 23 feet tall.
Recreational maths with 20889440
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"Number 20889440 - Facts about the integer". Numbermatics.com. 2024. Web. 4 May 2024.
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The information we have on file for 20889440 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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