15391385 is an odd 8-digits composite number following 15391384
and preceding 15391386 . In scientific notation, it is written as 1.5391385 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 12291840 positive integers (up to 15391385) that are relatively prime to 15391385.
15391385 has 8 divisors, whose sum is 18501576
The reverse of 15391385 is 58319351
Previous prime number is 661
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
fifteen million three hundred ninety-one thousand three hundred eighty-five
Scientific notation
1.5391385 × 10^7
Engineering notation
1.5391385 × 10^6
Prime Factorization
5 × 661 × 4657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
15391385
Product of the distinct prime numbers
The prime factorization of 15391385 is 5 × 661 × 4657.
Since it has a total of 3 prime factors.
2 , 9 , 19 , 10 , 449 , 298 , 8613 , 8783 , 62304 , 58795 , 181138 , 172465 , 1723795 , 6690453 , 71921789 , 34156158 , 140033846 , 635021398 , 6557644171 , 6396325047
n×2
30782770
n×3
46174155
n×4
61565540
n×5
76956925
n÷2
7695692.5
n÷3
5130461.6666667
n÷3
3847846.25
n÷5
3078277
n2
236894732218225
n3
3.6461380280426E+21
n4
5.6119114152745E+28
n5
8.6375089178384E+35
2 √n
3923.1855678772
3 √n
248.74779170283
4 √n
62.635338011998
5 √n
27.381393107753
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
-15391384
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 15391385 can be divided by 8 positive divisors.
The sum of these divisors (counting 15391385) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010101101101010011001
3
Ternary
1001221222000022
4
Quaternary
322231222121
5
Quinary
12420011020
6
Senary
1305520225
8
Octal
72555231
10
Decimal
15391385
12
Duodecimal
51a3075
16
Hexadecimal
eada99
20
Vigesimal
4g3i95
36
Base36
95w2h
md5
ca3a6b10f42a33527ce7ff095ec74f9e
sha1
941ccce0711d393eabd92b25bae3fb2cde038659
sha256
b267408750af0408a711a2a71d0f12d349d43d3db9a3ccfa72cc484aaef6d846
sha512
3a462036e78fc833ea3d9b2762156a9ea57d00e71ef17a2ed31e67d74835a12c4752e15a4552b2f6745fddaee2a08f4ee6c9cb25eb25fc5314c2d25bb3239777
ripemd-160
c2b66d1c26d8a1727ec4a79af9eef87f90bb68fb
Diameter
30782770
Circumference
96706924.089144
Area
7.442267504109E+14
Volume
1.5272907257164E+22
Surface area
2.9769070016436E+15
Circumference
96706924.089144
Perimeter
61565540
Area
236894732218225
Diagonal
21766705.410706
Surface area
1421368393309350
Volume
3.6461380280426E+21
Space diagonal
26658660.818854
Perimeter
46174155
Area
1.0257842806185E+14
Altitude
13329330.409427
Surface area
1.0257842806185E+14
Volume
4.2970148746185E+20
Height
7255568.4702353