18394489 is an odd 8-digits composite number following 18394488
and preceding 18394490 . In scientific notation, it is written as 1.8394489 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 16787520 positive integers (up to 18394489) that are relatively prime to 18394489.
18394489 has 16 divisors, whose sum is 20088000
The reverse of 18394489 is 98449381
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million three hundred ninety-four thousand four hundred eighty-nine
Scientific notation
1.8394489 × 10^7
Engineering notation
1.8394489 × 10^6
Prime Factorization
59 × 19 × 61 × 269
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18394489
Product of the distinct prime numbers
The prime factorization of 18394489 is 59 × 19 × 61 × 269.
Since it has a total of 4 prime factors.
8 , 8 , 12 , 90 , 101 , 218 , 4804 , 7842 , 48408 , 41866 , 896533 , 751568 , 7125157 , 7386429 , 45299910 , 16884099 , 243279959 , 768472322 , 7291854547 , 4077915370
n×2
36788978
n×3
55183467
n×4
73577956
n×5
91972445
n÷2
9197244.5
n÷3
6131496.3333333
n÷3
4598622.25
n÷5
3678897.8
n2
338357225571121
n3
6.2239082638385E+21
n4
1.1448561209619E+29
n5
2.1059043323616E+36
2 √n
4288.8796905486
3 √n
263.97486464858
4 √n
65.489538787111
5 √n
28.3751094587
1 , 19 , 59 , 61 , 269 , 1121 , 1159 , 3599 , 5111 , 15871 , 16409 , 68381 , 301549 , 311771 , 968131 , 18394489
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
-18394488
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 18394489 can be divided by 16 positive divisors.
The sum of these divisors (counting 18394489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000110001010110101111001
3
Ternary
1021121112111101
4
Quaternary
1012022311321
5
Quinary
14202110424
6
Senary
1454131401
8
Octal
106126571
10
Decimal
18394489
12
Duodecimal
61b0b61
16
Hexadecimal
118ad79
20
Vigesimal
5ej649
36
Base36
ay9a1
md5
59635bda27d58a535d2ccb0de970d3a6
sha1
544952e94afd3cae76d20fd76a55c25da67ba27b
sha256
78ad279748760b1fc0585c0521c892337081058a3625a5dc58e64efb5ad3fbe7
sha512
6c94b9865a51ace8d1f2d6116d1aaefaadc806062493024d0973965aee00056534c749fd294a78b1586436a9ed1894b2ff5758e29fe3150a69d5f4f79ebde561
ripemd-160
7a8bd5b648f7deac3fe01bcffbaef4653d3131df
Diameter
36788978
Circumference
115575983.01788
Area
1.0629805741433E+15
Volume
2.6070645971056E+22
Surface area
4.251922296573E+15
Circumference
115575983.01788
Perimeter
73577956
Area
338357225571121
Diagonal
26013735.816723
Surface area
2030143353426726
Volume
6.2239082638385E+21
Space diagonal
31860189.527267
Perimeter
55183467
Area
1.4651297644931E+14
Altitude
15930094.763633
Surface area
1.4651297644931E+14
Volume
7.3349462314053E+20
Height
8671245.2722409