18085439 is an odd 8-digits prime number following 18085438
and preceding 18085440 . In scientific notation, it is written as 1.8085439 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 18085438 positive integers (up to 18085439) that are relatively prime to 18085439.
18085439 has 2 divisors, whose sum is 18085440
The reverse of 18085439 is 93458081
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million eighty-five thousand four hundred thirty-nine
Scientific notation
1.8085439 × 10^7
Engineering notation
1.8085439 × 10^6
Prime Factorization
18085439
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18085439
Product of the distinct prime numbers
The prime factorization of 18085439 is 18085439.
Since it has a total of 1 prime factors.
3 , 9 , 16 , 57 , 76 , 144 , 3764 , 2090 , 13929 , 17641 , 296901 , 632871 , 9177890 , 4310563 , 35275023 , 72783407 , 67697694 , 287862803 , 5839187129 , 3244819128
n×2
36170878
n×3
54256317
n×4
72341756
n×5
90427195
n÷2
9042719.5
n÷3
6028479.6666667
n÷3
4521359.75
n÷5
3617087.8
n2
327083103822721
n3
5.9154415221165E+21
n4
1.069833568063E+29
n5
1.9348409735357E+36
2 √n
4252.6978496009
3 √n
262.48813975137
4 √n
65.212712331269
5 √n
28.279114805694
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18085440
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9042720
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4252.6979671733
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998894138
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18085439 can be divided by 2 positive divisors.
The sum of these divisors (counting 18085439) is 18085440, the average is 9042720.
Base
System
Value
2
Binary
1000100111111011000111111
3
Ternary
1021000211120002
4
Quaternary
1010333120333
5
Quinary
14112213224
6
Senary
1443344515
8
Octal
104773077
10
Decimal
18085439
12
Duodecimal
608213b
16
Hexadecimal
113f63f
20
Vigesimal
5d0dbj
36
Base36
armtb
md5
2862a7d06d3361790a8cbb2835e379c5
sha1
808100e23fac606e6003a2659eeb8e4606b798c0
sha256
163b672c9ba71113c0f798ca1722bf4fceea64b6fd76f043cbfa2abdfb6923dc
sha512
d6671ce8a96c061c7440d85186deb3950afd93d43fdb67e3df6b9f3243892418e5a0d584af7cf4cca67a09b89d1cbfeac6909f2edec55a5df70f56caabb6dbca
ripemd-160
1ea45f18cd9b0b0d1272f513e1354326c2de6ebe
Diameter
36170878
Circumference
113634164.59869
Area
1.0275618760828E+15
Volume
2.4778543504828E+22
Surface area
4.1102475043312E+15
Circumference
113634164.59869
Perimeter
72341756
Area
327083103822721
Diagonal
25576673.115271
Surface area
1962498622936326
Volume
5.9154415221165E+21
Space diagonal
31324899.225188
Perimeter
54256317
Area
1.4163113852957E+14
Altitude
15662449.612594
Surface area
1.4163113852957E+14
Volume
6.9714146900017E+20
Height
8525557.7050904