18889742 is an even 8-digits composite number following 18889741
and preceding 18889743 . In scientific notation, it is written as 1.8889742 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 9437544 positive integers (up to 18889742) that are relatively prime to 18889742.
18889742 has 8 divisors, whose sum is 28356600
The reverse of 18889742 is 24798881
Previous prime number is 1669
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighteen million eight hundred eighty-nine thousand seven hundred forty-two
Scientific notation
1.8889742 × 10^7
Engineering notation
1.8889742 × 10^6
Prime Factorization
2 × 1669 × 5659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18889742
Product of the distinct prime numbers
The prime factorization of 18889742 is 2 × 1669 × 5659.
Since it has a total of 3 prime factors.
7 , 4 , 74 , 66 , 975 , 965 , 4902 , 2447 , 67769 , 83796 , 765522 , 827454 , 3233468 , 8395280 , 92279111 , 2628185 , 343701313 , 38300198 , 2227024805 , 8398362983
n×2
37779484
n×3
56669226
n×4
75558968
n×5
94448710
n÷2
9444871
n÷3
6296580.6666667
n÷3
4722435.5
n÷5
3777948.4
n2
356822352826564
n3
6.7402821847268E+21
n4
1.2732219147668E+29
n5
2.4050833478692E+36
2 √n
4346.2330816467
3 √n
266.32300069441
4 √n
65.925966672068
5 √n
28.526284239376
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
-18889741
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 18889742 can be divided by 8 positive divisors.
The sum of these divisors (counting 18889742) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000000011110000001110
3
Ternary
1022112200212002
4
Quaternary
1020003300032
5
Quinary
14313432432
6
Senary
1512512302
8
Octal
110036016
10
Decimal
18889742
12
Duodecimal
63ab692
16
Hexadecimal
1203c0e
20
Vigesimal
5i1472
36
Base36
b8vf2
md5
b07643f0ba234188b3c630156d88cd05
sha1
7b9aa2c6f4c72238efde89ac16761161d2de22c0
sha256
c13cfa39f0cfbe8735f9bce04028fc9d84559096ecedb6d7ba317a9594f5e4c2
sha512
77f2dd2c946f5c1313905709fe05caca36c539fa3e9d74882e826a83682fcf70e3cf9d11d08a65c131d7b6f95c7cb77628344a9c60611e5cd541371fb41fb192
ripemd-160
05f56c32344ddeffdc34102c52227f6d23ad2ee7
Diameter
37779484
Circumference
118687749.39081
Area
1.1209904822766E+15
Volume
2.823362799288E+22
Surface area
4.4839619291062E+15
Circumference
118687749.39081
Perimeter
75558968
Area
356822352826564
Diagonal
26714129.326129
Surface area
2140934116959384
Volume
6.7402821847268E+21
Space diagonal
32717992.885868
Perimeter
56669226
Area
1.5450861109297E+14
Altitude
16358996.442934
Surface area
1.5450861109297E+14
Volume
7.9434987332186E+20
Height
8904709.7753762