159939920
159,939,920 is an even composite number composed of four prime numbers multiplied together.
159939920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 159939920:
24 × 5 × 72 × 40801
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 40801)See below for interesting mathematical facts about the number 159939920 from the Numbermatics database.
Names of 159939920
- Cardinal: 159939920 can be written as One hundred fifty-nine million, nine hundred thirty-nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.5993992 × 108
Factors of 159939920
Divisors of 159939920
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1960 3920 40801 81602 163204 204005 285607 326408 408010 571214 652816 816020 1142428 1428035 1632040 1999249 2284856 2856070 3264080 3998498 4569712 5712140 7996996 9996245 11424280 15993992 19992490 22848560 31987984 39984980 79969960 159939920
- Sum of all divisors σ(n): 432582804
- Sum of proper divisors (its aliquot sum) s(n): 272642884
- 159939920 is an abundant number, because the sum of its proper divisors (272642884) is greater than itself. Its abundance is 112702964
Bases of 159939920
- Binary: 10011000100001111101010100002
- Hexadecimal: 0x9887D50
- Base-36: 2N82FK
Squares and roots of 159939920
- 159939920 squared (1599399202) is 25580778009606400
- 159939920 cubed (1599399203) is 4091387588394206847488000
-
The
square root of 159939920 is 12646.7355471679 -
The
cube root of 159939920 is 542.8155638911
Scales and comparisons
How big is 159939920?- 159,939,920 seconds is equal to 5 years, 4 weeks, 3 days, 3 hours, 45 minutes, 20 seconds.
-
To count from 1 to 159,939,920 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 159939920 cubic inches would be around 45.2 feet tall.
Recreational maths with 159939920
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