18053521 is an odd 8-digits composite number following 18053520
and preceding 18053522 . In scientific notation, it is written as 1.8053521 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 17565552 positive integers (up to 18053521) that are relatively prime to 18053521.
18053521 has 4 divisors, whose sum is 18541492
The reverse of 18053521 is 12535081
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighteen million fifty-three thousand five hundred twenty-one
Scientific notation
1.8053521 × 10^7
Engineering notation
1.8053521 × 10^6
Prime Factorization
37 × 487933
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18053521
Product of the distinct prime numbers
The prime factorization of 18053521 is 37 × 487933.
Since it has a total of 2 prime factors.
7 , 9 , 10 , 44 , 250 , 163 , 234 , 1887 , 6146 , 66644 , 509759 , 726745 , 1468146 , 361931 , 89189788 , 31570599 , 742482200 , 253712498 , 1754205256 , 20220713
n×2
36107042
n×3
54160563
n×4
72214084
n×5
90267605
n÷2
9026760.5
n÷3
6017840.3333333
n÷3
4513380.25
n÷5
3610704.2
n2
325929620497441
n3
5.8841772481726E+21
n4
1.0623011751761E+29
n5
1.9178276574366E+36
2 √n
4248.943515746
3 √n
262.33363184469
4 √n
65.183920684061
5 √n
28.269126099855
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18053520
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18053521 can be divided by 4 positive divisors.
The sum of these divisors (counting 18053521) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100110111100110010001
3
Ternary
1020222012202221
4
Quaternary
1010313212101
5
Quinary
14110203041
6
Senary
1442541041
8
Octal
104674621
10
Decimal
18053521
12
Duodecimal
6067781
16
Hexadecimal
1137991
20
Vigesimal
5cgdg1
36
Base36
aqy6p
md5
fdb9d129584da0391be29ed6ac037312
sha1
c76d28d890c0f64d16fd21c8a9b632af19ccb646
sha256
e1c7f4db0c0dca87705ff4392aad6a13b41fb27e08cf7ed35106b5d9d795bc67
sha512
987ad3a9a90c293502430bee8f8cc88805aa1ed64f061118f948081412ce7df0ecce967d903897584cbd07ce4aebafbce83d184ea172404f4c9f006ac6f763da
ripemd-160
a3ef912f73a1e866fcb6ff4bf7cbd7f769310188
Diameter
36107042
Circumference
113433617.89006
Area
1.0239381013421E+15
Volume
2.4647584020372E+22
Surface area
4.0957524053683E+15
Circumference
113433617.89006
Perimeter
72214084
Area
325929620497441
Diagonal
25531534.246787
Surface area
1955577722984646
Volume
5.8841772481726E+21
Space diagonal
31269615.627512
Perimeter
54160563
Area
1.411316655983E+14
Altitude
15634807.813756
Surface area
1.411316655983E+14
Volume
6.9345693898107E+20
Height
8510511.4155958