15389991 is an odd 8-digits composite number following 15389990
and preceding 15389992 . In scientific notation, it is written as 1.5389991 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 10259988 positive integers (up to 15389991) that are relatively prime to 15389991.
15389991 has 4 divisors, whose sum is 17100000
The reverse of 15389991 is 19998351
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
fifteen million three hundred eighty-nine thousand nine hundred ninety-one
Scientific notation
1.5389991 × 10^7
Engineering notation
1.5389991 × 10^6
Prime Factorization
9 × 1709999
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15389991
Product of the distinct prime numbers
The prime factorization of 15389991 is 9 × 1709999.
Since it has a total of 2 prime factors.
6 , 5 , 78 , 84 , 709 , 608 , 1928 , 3111 , 72852 , 55820 , 991596 , 534243 , 5508185 , 2397256 , 3284922 , 11969720 , 261099975 , 963606657 , 1192059685 , 5237671440
n×2
30779982
n×3
46169973
n×4
61559964
n×5
76949955
n÷2
7694995.5
n÷3
5129997
n÷3
3847497.75
n÷5
3077998.2
n2
236851822980081
n3
3.645147423997E+21
n4
5.6098786048988E+28
n5
8.6335981240485E+35
2 √n
3923.0079021078
3 √n
248.74028176809
4 √n
62.633919740886
5 √n
27.380897102424
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
-15389990
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 15389991 can be divided by 4 positive divisors.
The sum of these divisors (counting 15389991) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010101101010100100111
3
Ternary
1001221220002200
4
Quaternary
322231110213
5
Quinary
12414434431
6
Senary
1305505543
8
Octal
72552447
10
Decimal
15389991
12
Duodecimal
51a22b3
16
Hexadecimal
ead527
20
Vigesimal
4g3ejb
36
Base36
95uzr
md5
1f496afeefb98f4575edd6039231a57e
sha1
e70c9e161b2f6570449780d86fc178ebec722f54
sha256
8a5ad7724f40208a2ea2cdaea0cfefb81f4aeb414f927f93f292d02fc49e1d5a
sha512
61f70b965fe7202fb173fe45ff03fd8a596e93e548a7bd8f844423881b277d47163623d65bffbf13c6b4b2cf35d2767683b1f3bed098565739a1c37379b71664
ripemd-160
6b59162deb562efa876ed1146c25261dd7e135d6
Diameter
30779982
Circumference
96698165.328826
Area
7.4409194706357E+14
Volume
1.5268757824641E+22
Surface area
2.9763677882543E+15
Circumference
96698165.328826
Perimeter
61559964
Area
236851822980081
Diagonal
21764733.997
Surface area
1421110937880486
Volume
3.645147423997E+21
Space diagonal
26656246.340028
Perimeter
46169973
Area
1.025598478167E+14
Altitude
13328123.170014
Surface area
1.025598478167E+14
Volume
4.295847436555E+20
Height
7254911.3323333