42189900
42,189,900 is an even composite number composed of five prime numbers multiplied together.
42189900 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 42189900:
22 × 3 × 52 × 67 × 2099
(2 × 2 × 3 × 5 × 5 × 67 × 2099)See below for interesting mathematical facts about the number 42189900 from the Numbermatics database.
Names of 42189900
- Cardinal: 42189900 can be written as Forty-two million, one hundred eighty-nine thousand, nine hundred.
Scientific notation
- Scientific notation: 4.21899 × 107
Factors of 42189900
Divisors of 42189900
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 25 30 50 60 67 75 100 134 150 201 268 300 335 402 670 804 1005 1340 1675 2010 2099 3350 4020 4198 5025 6297 6700 8396 10050 10495 12594 20100 20990 25188 31485 41980 52475 62970 104950 125940 140633 157425 209900 281266 314850 421899 562532 629700 703165 843798 1406330 1687596 2109495 2812660 3515825 4218990 7031650 8437980 10547475 14063300 21094950 42189900
- Sum of all divisors σ(n): 123950400
- Sum of proper divisors (its aliquot sum) s(n): 81760500
- 42189900 is an abundant number, because the sum of its proper divisors (81760500) is greater than itself. Its abundance is 39570600
Bases of 42189900
- Binary: 101000001111000100010011002
- Hexadecimal: 0x283C44C
- Base-36: P49XO
Squares and roots of 42189900
- 42189900 squared (421899002) is 1779987662010000
- 42189900 cubed (421899003) is 75097501461435699000000
-
The
square root of 42189900 is 6495.3752778419 -
The
cube root of 42189900 is 348.1257637665
Scales and comparisons
How big is 42189900?- 42,189,900 seconds is equal to 1 year, 17 weeks, 5 days, 7 hours, 25 minutes.
-
To count from 1 to 42,189,900 would take you about two years!
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 42189900 cubic inches would be around 29 feet tall.
Recreational maths with 42189900
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