12126985 is an odd 8-digits composite number following 12126984
and preceding 12126986 . In scientific notation, it is written as 1.2126985 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 8955264 positive integers (up to 12126985) that are relatively prime to 12126985.
12126985 has 4 divisors, whose sum is 12313620
The reverse of 12126985 is 58962121
Previous prime number is 65
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twelve million one hundred twenty-six thousand nine hundred eighty-five
Scientific notation
1.2126985 × 10^7
Engineering notation
1.2126985 × 10^6
Prime Factorization
65 × 186569
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12126985
Product of the distinct prime numbers
The prime factorization of 12126985 is 65 × 186569.
Since it has a total of 2 prime factors.
2 , 5 , 65 , 38 , 121 , 840 , 6678 , 362 , 75960 , 19559 , 5353 , 816541 , 9864578 , 8972382 , 28065049 , 81996121 , 40286422 , 471322845 , 5415478892 , 2226018660
n×2
24253970
n×3
36380955
n×4
48507940
n×5
60634925
n÷2
6063492.5
n÷3
4042328.3333333
n÷3
3031746.25
n÷5
2425397
n2
147063765190225
n3
1.7834400745054E+21
n4
2.1627751031926E+28
n5
2.622794123479E+35
2 √n
3482.3820870203
3 √n
229.74758067029
4 √n
59.011711439513
5 √n
26.106615210258
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
-12126984
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 12126985 can be divided by 4 positive divisors.
The sum of these divisors (counting 12126985) is 1, the average is 0.25.
Base
System
Value
2
Binary
101110010000101100001001
3
Ternary
211211010002121
4
Quaternary
232100230021
5
Quinary
11101030420
6
Senary
1111531241
8
Octal
56205411
10
Decimal
12126985
12
Duodecimal
4089b21
16
Hexadecimal
b90b09
20
Vigesimal
3ffh95
36
Base36
77x8p
md5
fc28f5427b5a964b599770f8b3534d3e
sha1
37a64cae0b9f33735c79c8d2a3221034cc3d2f69
sha256
0fa0eb89c4c67ca1ef405936c1ebdf706f37469320141c870d68f536fd96a17e
sha512
c22531d8574b2d6a361daa59fb2af7efc5327c0b7c054fae1e6a37baa4c7ed02f81a609600f2bd0d3fdffd07241c872f67ea9a94d5c4d080b4f2cdd4e5bb9974
ripemd-160
b4634da04f25fa6b2981ff88a50e1d9d74fec909
Diameter
24253970
Circumference
76196093.972387
Area
4.6201444433087E+14
Volume
7.4704563149116E+21
Surface area
1.8480577773235E+15
Circumference
76196093.972387
Perimeter
48507940
Area
147063765190225
Diagonal
17150146.657695
Surface area
882382591141350
Volume
1.7834400745054E+21
Space diagonal
21004554.162626
Perimeter
36380955
Area
63680478315462
Altitude
10502277.081313
Surface area
63680478315462
Volume
2.1018042842043E+20
Height
5716715.552565