30638839 is an odd 8-digits composite number following 30638838
and preceding 30638840 . In scientific notation, it is written as 3.0638839 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 23874360 positive integers (up to 30638839) that are relatively prime to 30638839.
30638839 has 8 divisors, whose sum is 38199168
The reverse of 30638839 is 93883603
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
thirty million six hundred thirty-eight thousand eight hundred thirty-nine
Scientific notation
3.0638839 × 10^7
Engineering notation
3.0638839 × 10^6
Prime Factorization
11 × 7 × 397907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30638839
Product of the distinct prime numbers
The prime factorization of 30638839 is 11 × 7 × 397907.
Since it has a total of 3 prime factors.
8 , 5 , 42 , 99 , 79 , 843 , 9058 , 8738 , 23350 , 30439 , 578565 , 898083 , 8875140 , 6005167 , 17394031 , 49045971 , 157874063 , 411871749 , 1031262149 , 7600763354
n×2
61277678
n×3
91916517
n×4
122555356
n×5
153194195
n÷2
15319419.5
n÷3
10212946.333333
n÷3
7659709.75
n÷5
6127767.8
n2
938738455267921
n3
2.8761856394063E+22
n4
8.812298873988E+29
n5
2.6999860642E+37
2 √n
5535.2361286579
3 √n
312.91335678134
4 √n
74.399167526646
5 √n
31.423493132539
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-30638838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 30638839 can be divided by 8 positive divisors.
The sum of these divisors (counting 30638839) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110100111000001011110111
3
Ternary
2010122121120211
4
Quaternary
1310320023313
5
Quinary
30320420324
6
Senary
3012410251
8
Octal
164701367
10
Decimal
30638839
12
Duodecimal
a316987
16
Hexadecimal
1d382f7
20
Vigesimal
9b9h1j
36
Base36
i8p2v
md5
cd2e9a10bec781b0cb6bfe29b9e4c0de
sha1
7451cd40e7bfa5c3a88967faca1ff9ad987ee5de
sha256
6581ca61163f4390ee4107f9b803b62e635603a9345cf59cd9232ae6a2cbe92b
sha512
adc53cc52604a562eea435b3a070b51f6e6d864fa8ad158105aba5ad51f95039286233f0f29a12dee3af049b33d696596f2740506b34f9219d5244145b9d225b
ripemd-160
97fe138d7051f630cc287b8ad6ebe6eb4c687c0b
Diameter
61277678
Circumference
192509503.03384
Area
2.9491338347119E+15
Volume
1.2047738233492E+23
Surface area
1.1796535338848E+16
Circumference
192509503.03384
Perimeter
122555356
Area
938738455267921
Diagonal
43329861.649166
Surface area
5632430731607526
Volume
2.8761856394063E+22
Space diagonal
53068025.832923
Perimeter
91916517
Area
4.0648567488569E+14
Altitude
26534012.916461
Surface area
4.0648567488569E+14
Volume
3.3896172826259E+21
Height
14443287.216389