18878968 is an even 8-digits composite number following 18878967
and preceding 18878969 . In scientific notation, it is written as 1.8878968 × 10^7.
The sum of its digits is 55. It has a total of 5 prime factors and 16 positive divisors.
There are 9309888 positive integers (up to 18878968) that are relatively prime to 18878968.
18878968 has 16 divisors, whose sum is 35884080
The reverse of 18878968 is 86987881
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 55
Digital Root 1
Name
eighteen million eight hundred seventy-eight thousand nine hundred sixty-eight
Scientific notation
1.8878968 × 10^7
Engineering notation
1.8878968 × 10^6
Prime Factorization
2 × 2 × 2 × 73 × 32327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
4719742
Product of the distinct prime numbers
The prime factorization of 18878968 is 2 × 2 × 2 × 73 × 32327.
Since it has a total of 5 prime factors.
1 , 10 , 98 , 38 , 422 , 410 , 1369 , 6658 , 41297 , 15328 , 984011 , 132147 , 2448955 , 4107274 , 11782663 , 50948611 , 378949945 , 220007847 , 799904133 , 2724662677
n×2
37757936
n×3
56636904
n×4
75515872
n×5
94394840
n÷2
9439484
n÷3
6292989.3333333
n÷3
4719742
n÷5
3775793.6
n2
356415432745024
n3
6.7287555494995E+21
n4
1.2703196069882E+29
n5
2.3982323210103E+36
2 √n
4344.9934407315
3 √n
266.27235751626
4 √n
65.916564236401
5 √n
28.523029432307
1 , 2 , 4 , 8 , 73 , 146 , 292 , 584 , 32327 , 64654 , 129308 , 258616 , 2359871 , 4719742 , 9439484 , 18878968
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
-18878967
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 18878968 can be divided by 16 positive divisors.
The sum of these divisors (counting 18878968) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000000001000111111000
3
Ternary
1022112011002001
4
Quaternary
1020001013320
5
Quinary
14313111333
6
Senary
1512350344
8
Octal
110010770
10
Decimal
18878968
12
Duodecimal
63a53b4
16
Hexadecimal
12011f8
20
Vigesimal
5hjh88
36
Base36
b8n3s
md5
633df884e5c9f75c4bf66e43e513d231
sha1
4621a4b2068d93b489484a71e9720f6c794b59cc
sha256
2849cdb4b8c9431f2308eacd20546afcf05292a547337f58c7fc4d0f4044cee2
sha512
c04c4764d1ac8dfb5fee47cafb0c16640b0867fe4b509d652e90d5777d406747600de7881eda6a97946532a9a2ddf84c656d9b8775ede614272c76100f99ba05
ripemd-160
9cd75ac4a56b3d83a8f594ec8f765173b497f20d
Diameter
37757936
Circumference
118620054.35231
Area
1.1197121051378E+15
Volume
2.8185345336145E+22
Surface area
4.4788484205512E+15
Circumference
118620054.35231
Perimeter
75515872
Area
356415432745024
Diagonal
26698892.589208
Surface area
2138492596470144
Volume
6.7287555494995E+21
Space diagonal
32699331.770467
Perimeter
56636904
Area
1.5433240952901E+14
Altitude
16349665.885233
Surface area
1.5433240952901E+14
Volume
7.9299144633295E+20
Height
8899630.8630692