164539920
164,539,920 is an even composite number composed of five prime numbers multiplied together.
164539920 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 164539920:
24 × 3 × 5 × 827 × 829
(2 × 2 × 2 × 2 × 3 × 5 × 827 × 829)See below for interesting mathematical facts about the number 164539920 from the Numbermatics database.
Names of 164539920
- Cardinal: 164539920 can be written as One hundred sixty-four million, five hundred thirty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.6453992 × 108
Factors of 164539920
Divisors of 164539920
- Number of divisors d(n): 80
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 827 829 1654 1658 2481 2487 3308 3316 4135 4145 4962 4974 6616 6632 8270 8290 9924 9948 12405 12435 13232 13264 16540 16580 19848 19896 24810 24870 33080 33160 39696 39792 49620 49740 66160 66320 99240 99480 198480 198960 685583 1371166 2056749 2742332 3427915 4113498 5484664 6855830 8226996 10283745 10969328 13711660 16453992 20567490 27423320 32907984 41134980 54846640 82269960 164539920
- Sum of all divisors σ(n): 511306560
- Sum of proper divisors (its aliquot sum) s(n): 346766640
- 164539920 is an abundant number, because the sum of its proper divisors (346766640) is greater than itself. Its abundance is 182226720
Bases of 164539920
- Binary: 10011100111010101110000100002
- Hexadecimal: 0x9CEAE10
- Base-36: 2PYNTC
Squares and roots of 164539920
- 164539920 squared (1645399202) is 27073385273606400
- 164539920 cubed (1645399203) is 4454652647048375167488000
-
The
square root of 164539920 is 12827.3114876033 -
The
cube root of 164539920 is 547.9703928449
Scales and comparisons
How big is 164539920?- 164,539,920 seconds is equal to 5 years, 12 weeks, 9 hours, 32 minutes.
-
To count from 1 to 164,539,920 would take you about seven 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 164539920 cubic inches would be around 45.7 feet tall.
Recreational maths with 164539920
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