12551985 is an odd 8-digits composite number following 12551984
and preceding 12551986 . In scientific notation, it is written as 1.2551985 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6600960 positive integers (up to 12551985) that are relatively prime to 12551985.
12551985 has 16 divisors, whose sum is 18100992
The reverse of 12551985 is 58915521
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million five hundred fifty-one thousand nine hundred eighty-five
Scientific notation
1.2551985 × 10^7
Engineering notation
1.2551985 × 10^6
Prime Factorization
15 × 3 × 73 × 3821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12551985
Product of the distinct prime numbers
The prime factorization of 12551985 is 15 × 3 × 73 × 3821.
Since it has a total of 4 prime factors.
10 , 1 , 66 , 31 , 139 , 372 , 7126 , 1297 , 61248 , 36321 , 241895 , 877417 , 2570683 , 4818992 , 95916655 , 39642971 , 961522606 , 290028021 , 616932054 , 1590996816
n×2
25103970
n×3
37655955
n×4
50207940
n×5
62759925
n÷2
6275992.5
n÷3
4183995
n÷3
3137996.25
n÷5
2510397
n2
157552327440225
n3
1.9775944507448E+21
n4
2.4822735881832E+28
n5
3.1157460844772E+35
2 √n
3542.8780673345
3 √n
232.40072070701
4 √n
59.522080502403
5 √n
26.287088200188
1 , 3 , 15 , 45 , 73 , 219 , 1095 , 3285 , 3821 , 11463 , 57315 , 171945 , 278933 , 836799 , 4183995 , 12551985
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
-12551984
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 12551985 can be divided by 16 positive divisors.
The sum of these divisors (counting 12551985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111000011100110001
3
Ternary
212121201002100
4
Quaternary
233320130301
5
Quinary
11203130420
6
Senary
1125011013
8
Octal
57703461
10
Decimal
12551985
12
Duodecimal
4253a69
16
Hexadecimal
bf8731
20
Vigesimal
3i8jj5
36
Base36
7h169
md5
76b8cb9f27e0ef5ce6e81e4244f5915c
sha1
c754346f598e8ba36c282966ff2af7a8aa1f6771
sha256
6e67c8038fc5f4f09d289e0254200bf1bfe95a3d5de56ed9b9075f5edc48eec0
sha512
786bd4de854a86836114824ace838a71c35fe0dfd1769410309ac2fca031b2e163713d0da85afb6fcc7e614d65f804c58c220acee8bd4c79b175b5f067d4c8d7
ripemd-160
3c62eb07c0f5a87904847422172e17e8f3dea0ec
Diameter
25103970
Circumference
78866447.727939
Area
4.9496523444218E+14
Volume
8.2837282643197E+21
Surface area
1.9798609377687E+15
Circumference
78866447.727939
Perimeter
50207940
Area
157552327440225
Diagonal
17751187.421704
Surface area
945313964641350
Volume
1.9775944507448E+21
Space diagonal
21740675.755842
Perimeter
37655955
Area
68222158994299
Altitude
10870337.877921
Surface area
68222158994299
Volume
2.3306174109309E+20
Height
5917062.4739012