39780 is an even 5-digits composite number following 39779
and preceding 39781 . In scientific notation, it is written as 3.9780 × 10^4.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 9216 positive integers (up to 39780) that are relatively prime to 39780.
39780 has 12 divisors, whose sum is 73836
The reverse of 39780 is 08793
Previous prime number is 585
Is Prime? no
Number parity even
Number length 5
Sum of Digits 27
Digital Root 9
Name
thirty-nine thousand seven hundred eighty
Scientific notation
3.9780 × 10^4
Engineering notation
3.9780 × 10^3
Prime Factorization
2 × 2 × 585 × 17
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19890
Product of the distinct prime numbers
The prime factorization of 39780 is 2 × 2 × 585 × 17.
Since it has a total of 4 prime factors.
2 , 5 , 71 , 83 , 841 , 535 , 7747 , 9532 , 3636 , 90798 , 419212 , 534450 , 9440686 , 9005262 , 40328347 , 13794881 , 380711869 , 60035039 , 5072535400 , 6686011502
n×2
79560
n×3
119340
n×4
159120
n×5
198900
n÷2
19890
n÷3
13260
n÷3
9945
n÷5
7956
n2
1582448400
n3
62949797352000
n4
2504142938662560000
n5
9.9614806099997E+22
2 √n
199.44924166314
3 √n
34.136704514582
4 √n
14.122649951873
5 √n
8.3163537742049
1 , 2 , 4 , 17 , 34 , 68 , 585 , 1170 , 2340 , 9945 , 19890 , 39780
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-39779
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 39780 can be divided by 12 positive divisors.
The sum of these divisors (counting 39780) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101101100100
3
Ternary
2000120100
4
Quaternary
21231210
5
Quinary
2233110
6
Senary
504100
8
Octal
115544
10
Decimal
39780
12
Duodecimal
1b030
16
Hexadecimal
9b64
20
Vigesimal
4j90
36
Base36
up0
md5
3d98ceed3d2937a5e819cd5b239220a3
sha1
6b487f7a7675fd4a89b81c2fa6f6d1c392853f09
sha256
215d78f4809e5abe4c6be3f03a464ca4bb6edf925f4f09b975df26e7fc633216
sha512
554ed4afdeaa69174a34357458dec6439abf8d888a60f1bb3976c719908c8f30cad147c7f5a4df110bfc1b41648ae9670daa7a5261f3714c6fc0ec38e546619d
ripemd-160
4faf918b65b42adedcb99cdf00b23eddb0a6c2cf
Diameter
79560
Circumference
249945.1115196
Area
4971408268.1249
Volume
2.6368349454135E+14
Surface area
19885633072.5
Circumference
249945.1115196
Perimeter
159120
Area
1582448400
Diagonal
56257.415511202
Surface area
9494690400
Volume
62949797352000
Space diagonal
68900.98112509
Perimeter
119340
Area
685220257.28902
Altitude
34450.490562545
Surface area
685220257.28902
Volume
7418704763653
Height
18752.471837067