12385905 is an odd 8-digits composite number following 12385904
and preceding 12385906 . In scientific notation, it is written as 1.2385905 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 5621952 positive integers (up to 12385905) that are relatively prime to 12385905.
12385905 has 16 divisors, whose sum is 15206400
The reverse of 12385905 is 50958321
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twelve million three hundred eighty-five thousand nine hundred five
Scientific notation
1.2385905 × 10^7
Engineering notation
1.2385905 × 10^6
Prime Factorization
15 × 7 × 179 × 659
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12385905
Product of the distinct prime numbers
The prime factorization of 12385905 is 15 × 7 × 179 × 659.
Since it has a total of 4 prime factors.
3 , 1 , 32 , 43 , 761 , 116 , 576 , 408 , 73523 , 53909 , 809241 , 828151 , 9480409 , 8632675 , 14503383 , 56540661 , 819937957 , 956940951 , 624940193 , 4530270632
n×2
24771810
n×3
37157715
n×4
49543620
n×5
61929525
n÷2
6192952.5
n÷3
4128635
n÷3
3096476.25
n÷5
2477181
n2
153410642669025
n3
1.9001296460875E+21
n4
2.3534825284123E+28
n5
2.9150011016075E+35
2 √n
3519.3614477629
3 √n
231.371172921
4 √n
59.324206254807
5 √n
26.217154229471
1 , 7 , 15 , 105 , 179 , 659 , 1253 , 2685 , 4613 , 9885 , 18795 , 69195 , 117961 , 825727 , 1769415 , 12385905
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
-12385904
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 12385905 can be divided by 16 positive divisors.
The sum of these divisors (counting 12385905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111001111111001110001
3
Ternary
212022021021020
4
Quaternary
233033321301
5
Quinary
11132322110
6
Senary
1121250053
8
Octal
57177161
10
Decimal
12385905
12
Duodecimal
4193929
16
Hexadecimal
bcfe71
20
Vigesimal
3h84f5
36
Base36
7dh0x
md5
dcd5a8043e29b39b04d169ec2f0d41d7
sha1
569bef5a2aa4a36c57dc7a5e2cd5eb9d711aa28d
sha256
721bbd5f7dfca6146fc4831b1ea096a770b463ac8db6e91e7ff64fa41acd214c
sha512
f5d4bc69614e0e7ba83537b4774d199e2dba5a4b3de0003743d833026c1326efed5ad6bcf905f4711c307981a0bd736fea5ba1a0910f0baefdc74d2e1197649c
ripemd-160
7149cd0b6c4b6d110248b3754bd7c40902de4f22
Diameter
24771810
Circumference
77822936.312122
Area
4.819537479915E+14
Volume
7.9592444493555E+21
Surface area
1.927814991966E+15
Circumference
77822936.312122
Perimeter
49543620
Area
153410642669025
Diagonal
17516314.833265
Surface area
920463856014150
Volume
1.9001296460875E+21
Space diagonal
21453016.757721
Perimeter
37157715
Area
66428756881136
Altitude
10726508.378861
Surface area
66428756881136
Volume
2.2393242631368E+20
Height
5838771.6110882