18943090 is an even 8-digits composite number following 18943089
and preceding 18943091 . In scientific notation, it is written as 1.8943090 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 7218624 positive integers (up to 18943090) that are relatively prime to 18943090.
18943090 has 32 divisors, whose sum is 35743680
The reverse of 18943090 is 09034981
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million nine hundred forty-three thousand ninety
Scientific notation
1.8943090 × 10^7
Engineering notation
1.8943090 × 10^6
Prime Factorization
2 × 5 × 29 × 83 × 787
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18943090
Product of the distinct prime numbers
The prime factorization of 18943090 is 2 × 5 × 29 × 83 × 787.
Since it has a total of 5 prime factors.
1 , 10 , 93 , 48 , 534 , 612 , 9062 , 5347 , 19744 , 34015 , 852750 , 176993 , 1405797 , 5136854 , 78705248 , 41253122 , 72491262 , 831091386 , 8892575064 , 182780935
n×2
37886180
n×3
56829270
n×4
75772360
n×5
94715450
n÷2
9471545
n÷3
6314363.3333333
n÷3
4735772.5
n÷5
3788618
n2
358840658748100
n3
6.7975508943245E+21
n4
1.2876661837077E+29
n5
2.4392376407932E+36
2 √n
4352.3660232108
3 √n
266.57347959221
4 √n
65.972464128686
5 √n
28.542378730898
1 , 2 , 5 , 10 , 29 , 58 , 83 , 145 , 166 , 290 , 415 , 787 , 830 , 1574 , 2407 , 3935 , 4814 , 7870 , 12035 , 22823 , 24070 , 45646 , 65321 , 114115 , 130642 , 228230 , 326605 , 653210 , 1894309 , 3788618 , 9471545 , 18943090
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18943089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18943090 can be divided by 32 positive divisors.
The sum of these divisors (counting 18943090) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000010000110001110010
3
Ternary
1022122102000221
4
Quaternary
1020100301302
5
Quinary
14322134330
6
Senary
1514003254
8
Octal
110206162
10
Decimal
18943090
12
Duodecimal
641652a
16
Hexadecimal
1210c72
20
Vigesimal
5i7hea
36
Base36
ba0ky
md5
88dcc86bc43993dc35e573fabb3b6f28
sha1
7cb68d5fbdbf4acf3831da59465e54250391ff62
sha256
52afb386c7ed9547d981c95b8b4ab78cc92c2ed9c0c732d4026d99702e690834
sha512
215e392887dfcd0f0417c2cb8e3384d5d154c027efc55a0b1682d25133aab2465c9a4f16d068d7fb55d1e6f85ee72fc2f6a5ef3fe337d296e24952ae93a51554
ripemd-160
7637d8710947b0997924eae1218b8a8d9bb422ad
Diameter
37886180
Circumference
119022944.76058
Area
1.1273311773324E+15
Volume
2.8473514602684E+22
Surface area
4.5093247093294E+15
Circumference
119022944.76058
Perimeter
75772360
Area
358840658748100
Diagonal
26789574.791254
Surface area
2153043952488600
Volume
6.7975508943245E+21
Space diagonal
32810394.33235
Perimeter
56829270
Area
1.553825631933E+14
Altitude
16405197.166175
Surface area
1.553825631933E+14
Volume
8.0109905547293E+20
Height
8929858.2637514