18856988 is an even 8-digits composite number following 18856987
and preceding 18856989 . In scientific notation, it is written as 1.8856988 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors.
There are 9344832 positive integers (up to 18856988) that are relatively prime to 18856988.
18856988 has 12 divisors, whose sum is 33292560
The reverse of 18856988 is 88965881
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
eighteen million eight hundred fifty-six thousand nine hundred eighty-eight
Scientific notation
1.8856988 × 10^7
Engineering notation
1.8856988 × 10^6
Prime Factorization
2 × 2 × 113 × 41719
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9428494
Product of the distinct prime numbers
The prime factorization of 18856988 is 2 × 2 × 113 × 41719.
Since it has a total of 4 prime factors.
3 , 4 , 82 , 92 , 155 , 476 , 3829 , 8589 , 67960 , 77612 , 614797 , 206751 , 4703604 , 4308322 , 71048696 , 3232226 , 929224225 , 517133743 , 1806752894 , 9836341404
n×2
37713976
n×3
56570964
n×4
75427952
n×5
94284940
n÷2
9428494
n÷3
6285662.6666667
n÷3
4714247
n÷5
3771397.6
n2
355585996432144
n3
6.705280867689E+21
n4
1.2644140085864E+29
n5
2.3843039786946E+36
2 √n
4342.4633562069
3 √n
266.1689807634
4 √n
65.897369873212
5 √n
28.516384700907
1 , 2 , 4 , 113 , 226 , 452 , 41719 , 83438 , 166876 , 4714247 , 9428494 , 18856988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18856987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18856988 can be divided by 12 positive divisors.
The sum of these divisors (counting 18856988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111111011110000011100
3
Ternary
1022111000220222
4
Quaternary
1013323300130
5
Quinary
14311410423
6
Senary
1512100512
8
Octal
107736034
10
Decimal
18856988
12
Duodecimal
6394738
16
Hexadecimal
11fbc1c
20
Vigesimal
5hh298
36
Base36
b8658
md5
0b44fcb2163f44908ca89270c52aa20c
sha1
e7ee0f30aa6c88b83902c20d2a426f0ab8f868bb
sha256
393135134913a51295692c7b295d89c134ec9d8c9f395ee3d2b01f4b5e13ad4c
sha512
404dcba4a39a89779e826e5f783c60a6ea02b29438e7bfec89c26e13b4e32e799c423a5c810ed911e090374bbaa75b7e9b2d0b67740018cae632d301819666d7
ripemd-160
c08876023d54bc3708a6bb3fb3471a8ecf0601e1
Diameter
37713976
Circumference
118481949.93926
Area
1.1171063541106E+15
Volume
2.8087014818917E+22
Surface area
4.4684254164425E+15
Circumference
118481949.93926
Perimeter
75427952
Area
355585996432144
Diagonal
26667808.175107
Surface area
2133515978592864
Volume
6.705280867689E+21
Space diagonal
32661261.293717
Perimeter
56570964
Area
1.5397325307012E+14
Altitude
16330630.646858
Surface area
1.5397325307012E+14
Volume
7.9022492855055E+20
Height
8889269.3917022