1939 is an odd 4-digits composite number following 1938
and preceding 1940 . In scientific notation, it is written as 1.939 × 10^3.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 1656 positive integers (up to 1939) that are relatively prime to 1939.
1939 has 4 divisors, whose sum is 2224
The reverse of 1939 is 9391
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 4
Sum of Digits 22
Digital Root 4
Name
one thousand nine hundred thirty-nine
Scientific notation
1.939 × 10^3
Engineering notation
1.939 × 10^3
Prime Factorization
7 × 277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1939
Product of the distinct prime numbers
The prime factorization of 1939 is 7 × 277.
Since it has a total of 2 prime factors.
4 , 9 , 23 , 62 , 574 , 67 , 9299 , 1740 , 90947 , 77286 , 438323 , 888060 , 9905363 , 3341875 , 90106769 , 83845629 , 444902682 , 610778019 , 5421048863 , 9122651658
n×2
3878
n×3
5817
n×4
7756
n×5
9695
n÷2
969.5
n÷3
646.33333333333
n÷3
484.75
n÷5
387.8
n2
3759721
n3
7290099019
n4
14135501997841
n5
27408738373813699
2 √n
44.034077712608
3 √n
12.469793731973
4 √n
6.6358177877793
5 √n
4.544808220586
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1939 can be divided by 4 positive divisors.
The sum of these divisors (counting 1939) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110010011
3
Ternary
2122211
4
Quaternary
132103
5
Quinary
30224
6
Senary
12551
8
Octal
3623
10
Decimal
1939
12
Duodecimal
1157
16
Hexadecimal
793
20
Vigesimal
4gj
36
Base36
1hv
md5
f22e4747da1aa27e363d86d40ff442fe
sha1
0adf295d5cc6266a9dfe2f4a8b32b199ba046b46
sha256
94ad0b5b0a595b7eaafe9404423d8543b4c8dcfc26ecffb44f6894e2ca46fd61
sha512
0ca195326e1e84670fdfd46e2f965f3cd2c40f586e76f875f844fa816d7ee991a7cdc49347861d650741c16ea5999fbd43eac6be4301d59244ca92845cb3fa0d
ripemd-160
c5c243b1d996dbea932e8cc5a18be0aabf5aca10
Diameter
3878
Circumference
12183.096310621
Area
11811511.873147
Volume
30536695362.71
Surface area
47246047.492589
Circumference
12183.096310621
Perimeter
7756
Area
3759721
Diagonal
2742.1600974414
Surface area
22558326
Volume
7290099019
Space diagonal
3358.4465158761
Perimeter
5817
Area
1628006.9485709
Altitude
1679.223257938
Surface area
1628006.9485709
Volume
859146408.64272
Height
914.05336581381