15285985 is an odd 8-digits composite number following 15285984
and preceding 15285986 . In scientific notation, it is written as 1.5285985 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 10261440 positive integers (up to 15285985) that are relatively prime to 15285985.
15285985 has 16 divisors, whose sum is 21551040
The reverse of 15285985 is 58958251
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
fifteen million two hundred eighty-five thousand nine hundred eighty-five
Scientific notation
1.5285985 × 10^7
Engineering notation
1.5285985 × 10^6
Prime Factorization
5 × 11 × 13 × 21379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
15285985
Product of the distinct prime numbers
The prime factorization of 15285985 is 5 × 11 × 13 × 21379.
Since it has a total of 4 prime factors.
4 , 3 , 15 , 18 , 738 , 914 , 9834 , 133 , 77382 , 64555 , 46009 , 862937 , 4548607 , 3829131 , 61043298 , 94763227 , 260976070 , 629628393 , 3376194509 , 4084923534
n×2
30571970
n×3
45857955
n×4
61143940
n×5
76429925
n÷2
7642992.5
n÷3
5095328.3333333
n÷3
3821496.25
n÷5
3057197
n2
233661337420225
n3
3.5717436988855E+21
n4
5.4597620605008E+28
n5
8.3457840960385E+35
2 √n
3909.7295302872
3 √n
248.17868344623
4 √n
62.527830046206
5 √n
27.343788476539
1 , 5 , 11 , 13 , 55 , 65 , 143 , 715 , 21379 , 106895 , 235169 , 277927 , 1175845 , 1389635 , 3057197 , 15285985
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
-15285984
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 15285985 can be divided by 16 positive divisors.
The sum of these divisors (counting 15285985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010010011111011100001
3
Ternary
1001202121102121
4
Quaternary
322103323201
5
Quinary
12403122420
6
Senary
1303344241
8
Octal
72237341
10
Decimal
15285985
12
Duodecimal
5152081
16
Hexadecimal
e93ee1
20
Vigesimal
4faej5
36
Base36
93mqp
md5
2a793ab39461355add4de738c4e00ce5
sha1
50c1cdc58fa24a353e3f178e84e6372f321f7c90
sha256
35c569ccf4c978c73b53ba683daba483e0357be296e8079af3459a1ba9dd9293
sha512
425889f10cd823e5274bd2714058c284fbe70c051dec924f722468487513f346ba5d8e971469b98d153d7dd1e73fbed49796d94c5fccf7ecf9f0728e2ff68641
ripemd-160
14ad4d422b13dfcada419086f495e18e557fbad2
Diameter
30571970
Circumference
96044676.357768
Area
7.3406874106734E+14
Volume
1.4961285019899E+22
Surface area
2.9362749642694E+15
Circumference
96044676.357768
Perimeter
61143940
Area
233661337420225
Diagonal
21617647.301232
Surface area
1401968024521350
Volume
3.5717436988855E+21
Space diagonal
26476102.663736
Perimeter
45857955
Area
1.0117832704408E+14
Altitude
13238051.331868
Surface area
1.0117832704408E+14
Volume
4.2093403169038E+20
Height
7205882.4337439