18394450 is an even 8-digits composite number following 18394449
and preceding 18394451 . In scientific notation, it is written as 1.8394450 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 7357760 positive integers (up to 18394450) that are relatively prime to 18394450.
18394450 has 12 divisors, whose sum is 34213770
The reverse of 18394450 is 05449381
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighteen million three hundred ninety-four thousand four hundred fifty
Scientific notation
1.8394450 × 10^7
Engineering notation
1.8394450 × 10^6
Prime Factorization
2 × 5 × 5 × 367889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3678890
Product of the distinct prime numbers
The prime factorization of 18394450 is 2 × 5 × 5 × 367889.
Since it has a total of 4 prime factors.
1 , 9 , 66 , 11 , 89 , 17 , 5008 , 4239 , 68883 , 12830 , 573698 , 920838 , 669428 , 873658 , 32826475 , 68952392 , 870993287 , 190439249 , 6037417406 , 4255862084
n×2
36788900
n×3
55183350
n×4
73577800
n×5
91972250
n÷2
9197225
n÷3
6131483.3333333
n÷3
4598612.5
n÷5
3678890
n2
338355790802500
n3
6.223868676127E+21
n4
1.1448464116959E+29
n5
2.1058820077619E+36
2 √n
4288.8751439043
3 √n
263.97467808859
4 √n
65.48950407435
5 √n
28.375097426507
1 , 2 , 5 , 10 , 25 , 50 , 367889 , 735778 , 1839445 , 3678890 , 9197225 , 18394450
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
-18394449
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 18394450 can be divided by 12 positive divisors.
The sum of these divisors (counting 18394450) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110001010110101010010
3
Ternary
1021121112102221
4
Quaternary
1012022311102
5
Quinary
14202110300
6
Senary
1454131254
8
Octal
106126522
10
Decimal
18394450
12
Duodecimal
61b0b2a
16
Hexadecimal
118ad52
20
Vigesimal
5ej62a
36
Base36
ay98y
md5
20ae29e6ab5656982c3c6fbf0299adc1
sha1
d2b654c049ce5d5660690d64ee8b2f663b24ef11
sha256
52fc80913f084471230d557b82fe8532eeb54ce2bc52d7cd590508b4d4052edf
sha512
b68ef33d5d1712d9c24f1d7a75780a78aed6f13f189ecc5f20544eaf4c9634ca1baae54232db2b1b75491ebfb9688a0bf93570e732f2851f2d398018945b0ce7
ripemd-160
793b5f5f769fd7eba0fdd18430e4687f716f1bd8
Diameter
36788900
Circumference
115575737.97365
Area
1.0629760666847E+15
Volume
2.6070480146438E+22
Surface area
4.2519042667388E+15
Circumference
115575737.97365
Perimeter
73577800
Area
338355790802500
Diagonal
26013680.662394
Surface area
2030134744815000
Volume
6.223868676127E+21
Space diagonal
31860121.977285
Perimeter
55183350
Area
1.4651235517627E+14
Altitude
15930060.988643
Surface area
1.4651235517627E+14
Volume
7.33489957684E+20
Height
8671226.8874646