15138839 is an odd 8-digits composite number following 15138838
and preceding 15138840 . In scientific notation, it is written as 1.5138839 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 14342040 positive integers (up to 15138839) that are relatively prime to 15138839.
15138839 has 4 divisors, whose sum is 15935640
The reverse of 15138839 is 93883151
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
fifteen million one hundred thirty-eight thousand eight hundred thirty-nine
Scientific notation
1.5138839 × 10^7
Engineering notation
1.5138839 × 10^6
Prime Factorization
19 × 796781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15138839
Product of the distinct prime numbers
The prime factorization of 15138839 is 19 × 796781.
Since it has a total of 2 prime factors.
10 , 4 , 2 , 34 , 28 , 189 , 3609 , 9058 , 56419 , 55066 , 179941 , 686821 , 937499 , 7676554 , 10977162 , 65873992 , 800209660 , 341251195 , 7014744729 , 5382314536
n×2
30277678
n×3
45416517
n×4
60555356
n×5
75694195
n÷2
7569419.5
n÷3
5046279.6666667
n÷3
3784709.75
n÷5
3027767.8
n2
229184446267921
n3
3.4695864333542E+21
n4
5.2525510411134E+28
n5
7.9517524550697E+35
2 √n
3890.8660989553
3 √n
247.37977495955
4 √n
62.37680738027
5 √n
27.29094122187
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
-15138838
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 15138839 can be divided by 4 positive divisors.
The sum of these divisors (counting 15138839) is 1, the average is 0.25.
Base
System
Value
2
Binary
111001110000000000010111
3
Ternary
1001111010120202
4
Quaternary
321300000113
5
Quinary
12333420324
6
Senary
1300251115
8
Octal
71600027
10
Decimal
15138839
12
Duodecimal
50a0a9b
16
Hexadecimal
e70017
20
Vigesimal
4ec71j
36
Base36
90h7b
md5
26eb942ea527afcdc8edf8e5fe5d065f
sha1
9b72c7cda201829cfd69a32a45bba551ca57dfea
sha256
c4e048d4f68a38b6ca53dabaf509b5fe637ccc6f7dc842e1fcd38359b8da6133
sha512
e8bb6bf6cf83bf91c607051f511553b16f12063e4a16d775d8bf6edbef7ef56fe38b9f41ad723ef0f92b6094268e36cb785989bf4910bd2b3d143ea083bbf132
ripemd-160
3e82a50321b2752cb12ee981f7eea0bf9de9b3d3
Diameter
30277678
Circumference
95120130.772557
Area
7.2000417271235E+14
Volume
1.4533369666694E+22
Surface area
2.8800166908494E+15
Circumference
95120130.772557
Perimeter
60555356
Area
229184446267921
Diagonal
21409551.432383
Surface area
1375106677607526
Volume
3.4695864333542E+21
Space diagonal
26221238.315605
Perimeter
45416517
Area
99239776310145
Altitude
13110619.157803
Surface area
99239776310145
Volume
4.088946824896E+20
Height
7136517.1441276