209439138 is an even 9-digits composite number following 209439137
and preceding 209439139 . In scientific notation, it is written as 2.09439138 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 69783840 positive integers (up to 209439138) that are relatively prime to 209439138.
209439138 has 16 divisors, whose sum is 419053536
The reverse of 209439138 is 831934902
Previous prime number is 3011
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred nine million four hundred thirty-nine thousand one hundred thirty-eight
Scientific notation
2.09439138 × 10^8
Engineering notation
2.09439138 × 10^6
Prime Factorization
2 × 3 × 3011 × 11593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
209439138
Product of the distinct prime numbers
The prime factorization of 209439138 is 2 × 3 × 3011 × 11593.
Since it has a total of 4 prime factors.
4 , 1 , 69 , 29 , 768 , 166 , 1595 , 4260 , 37981 , 97395 , 457984 , 425388 , 8207275 , 7541217 , 67059661 , 60792899 , 360324179 , 883319702 , 9867388939 , 9820395914
n×2
418878276
n×3
628317414
n×4
837756552
n×5
1047195690
n÷2
104719569
n÷3
69813046
n÷3
52359784.5
n÷5
41887827.6
n2
43864752526183044
n3
9.1869959576671E+24
n4
1.9241165141833E+33
n5
4.0298530414211E+41
2 √n
14472.012230509
3 √n
593.86256158842
4 √n
120.2996767681
5 √n
46.154236207253
1 , 2 , 3 , 6 , 3011 , 6022 , 9033 , 11593 , 18066 , 23186 , 34779 , 69558 , 34906523 , 69813046 , 104719569 , 209439138
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-209439137
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 209439138 can be divided by 16 positive divisors.
The sum of these divisors (counting 209439138) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011110111100100110100010
3
Ternary
112121002121111010
4
Quaternary
30132330212202
5
Quinary
412104023023
6
Senary
32441001350
8
Octal
1436744642
10
Decimal
209439138
12
Duodecimal
5a183256
16
Hexadecimal
c7bc9a2
20
Vigesimal
358jhgi
36
Base36
3gp09u
md5
c173f6ff72fb412a361060886c7afe7a
sha1
0f8fc3cadd0802230c501eefc39ce0ca5ecd2cf6
sha256
4273dbf2d2ccb492dac642556a0a430713739d4a8a0b386cd62fca47839986a8
sha512
99d6f3fad11d0a67b334622f9e28a260c513f2765a478dbd71ff52536fc22f524d439e56326f6a1a5d18ded6d2df567efa196f878ff3a8d5b28230d0bdaa7fc8
ripemd-160
b6ee0e8eb89bbe2c388132a580a7a118b9c8271d
Diameter
418878276
Circumference
1315944914.63
Area
1.3780518428779E+17
Volume
3.8482398678888E+25
Surface area
5.5122073715116E+17
Circumference
1315944914.63
Perimeter
837756552
Area
43864752526183044
Diagonal
296191669.45133
Surface area
263188515157098264
Volume
9.1869959576671E+24
Space diagonal
362759228.10943
Perimeter
628317414
Area
1.8993995009196E+16
Altitude
181379614.05471
Surface area
1.8993995009196E+16
Volume
1.0826978567333E+24
Height
98730556.483777