12389986 is an even 8-digits composite number following 12389985
and preceding 12389987 . In scientific notation, it is written as 1.2389986 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 5309988 positive integers (up to 12389986) that are relatively prime to 12389986.
12389986 has 8 divisors, whose sum is 21240000
The reverse of 12389986 is 68998321
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
twelve million three hundred eighty-nine thousand nine hundred eighty-six
Scientific notation
1.2389986 × 10^7
Engineering notation
1.2389986 × 10^6
Prime Factorization
2 × 7 × 884999
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12389986
Product of the distinct prime numbers
The prime factorization of 12389986 is 2 × 7 × 884999.
Since it has a total of 3 prime factors.
2 , 10 , 93 , 10 , 547 , 74 , 6558 , 5654 , 1226 , 8574 , 519311 , 918811 , 7462145 , 1851211 , 63004284 , 42775846 , 185371994 , 244851195 , 5421774852 , 7605718821
n×2
24779972
n×3
37169958
n×4
49559944
n×5
61949930
n÷2
6194993
n÷3
4129995.3333333
n÷3
3097496.5
n÷5
2477997.2
n2
153511753080196
n3
1.9020084714991E+21
n4
2.3565858333755E+28
n5
2.9198065483321E+35
2 √n
3519.9411926906
3 √n
231.39658142829
4 √n
59.329092296196
5 √n
26.218881646372
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
-12389985
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 12389986 can be divided by 8 positive divisors.
The sum of these divisors (counting 12389986) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111010000111001100010
3
Ternary
212022110212101
4
Quaternary
233100321202
5
Quinary
11132434421
6
Senary
1121321014
8
Octal
57207142
10
Decimal
12389986
12
Duodecimal
419616a
16
Hexadecimal
bd0e62
20
Vigesimal
3h8ej6
36
Base36
7dk6a
md5
0c51bfe1621a9854598e6234d39dd010
sha1
5b06d708677316b5e556c21578b7b5381c302423
sha256
c5ee3a5e6cb417bb30fbe3f60ca9a2b6412c87d27531590c29ef3cd7a4ac6ff5
sha512
65d34d18eee50dbf1d233070eb95e0a8ccd3cdbf522b405b6cb0bbcd766f1a8fbf0cba62fe6144cb98040267d7cfe30f18ce5ba3a604a5de80dcfa0efbfbb9ba
ripemd-160
34262d6795faa8d00b6327ecaf599b7259495be9
Diameter
24779972
Circumference
77848577.991361
Area
4.8227139571643E+14
Volume
7.9671144548361E+21
Surface area
1.9290855828657E+15
Circumference
77848577.991361
Perimeter
49559944
Area
153511753080196
Diagonal
17522086.238813
Surface area
921070518481176
Volume
1.9020084714991E+21
Space diagonal
21460085.257067
Perimeter
37169958
Area
66472538973467
Altitude
10730042.628534
Surface area
66472538973467
Volume
2.2415384801188E+20
Height
5840695.4129376