18890775 is an odd 8-digits composite number following 18890774
and preceding 18890776 . In scientific notation, it is written as 1.8890775 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 9972480 positive integers (up to 18890775) that are relatively prime to 18890775.
18890775 has 16 divisors, whose sum is 23409216
The reverse of 18890775 is 57709881
Previous prime number is 743
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million eight hundred ninety thousand seven hundred seventy-five
Scientific notation
1.8890775 × 10^7
Engineering notation
1.8890775 × 10^6
Prime Factorization
45 × 5 × 743 × 113
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18890775
Product of the distinct prime numbers
The prime factorization of 18890775 is 45 × 5 × 743 × 113.
Since it has a total of 4 prime factors.
1 , 6 , 12 , 84 , 512 , 685 , 1349 , 4502 , 17079 , 92228 , 205799 , 398987 , 9946034 , 5180323 , 64122622 , 72755113 , 573505744 , 38448492 , 4306322552 , 2718976135
n×2
37781550
n×3
56672325
n×4
75563100
n×5
94453875
n÷2
9445387.5
n÷3
6296925
n÷3
4722693.75
n÷5
3778155
n2
356861380100625
n3
6.7413880376704E+21
n4
1.2735004460732E+29
n5
2.4057410389169E+36
2 √n
4346.3519185634
3 √n
266.3278552983
4 √n
65.926867956573
5 √n
28.526596228889
1 , 5 , 45 , 113 , 225 , 565 , 743 , 3715 , 5085 , 25425 , 33435 , 83959 , 167175 , 419795 , 3778155 , 18890775
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
-18890774
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 18890775 can be divided by 16 positive divisors.
The sum of these divisors (counting 18890775) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000000100000000010111
3
Ternary
1022112202021100
4
Quaternary
1020010000113
5
Quinary
14314001100
6
Senary
1512521143
8
Octal
110040027
10
Decimal
18890775
12
Duodecimal
63b01b3
16
Hexadecimal
1204017
20
Vigesimal
5i16if
36
Base36
b8w7r
md5
6805f1dde7da119e4a4c14f9c83a9b1f
sha1
20c578d54ad2f3206a075eec5c98f8b0b5c8a785
sha256
4aa57bde2788c8ab104c71298b4c86a313a256c1db81934919a740cfd61cfd62
sha512
7002513b35b5e492500db82a4660e744687b906b008d29a741c18519ddba5dc67e8c364c05eef0614a1752c623f256e6ae1afba225be81b9b62e1f547d403a13
ripemd-160
7aebb10686a2f747c225963e7e89f93cd879ad7a
Diameter
37781550
Circumference
118694239.92124
Area
1.121113090074E+15
Volume
2.8238260178858E+22
Surface area
4.4844523602962E+15
Circumference
118694239.92124
Perimeter
75563100
Area
356861380100625
Diagonal
26715590.208739
Surface area
2141168280603750
Volume
6.7413880376704E+21
Space diagonal
32719782.094352
Perimeter
56672325
Area
1.5452551039836E+14
Altitude
16359891.047176
Surface area
1.5452551039836E+14
Volume
7.944801993411E+20
Height
8905196.7362462