18055621 is an odd 8-digits composite number following 18055620
and preceding 18055622 . In scientific notation, it is written as 1.8055621 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 16813280 positive integers (up to 18055621) that are relatively prime to 18055621.
18055621 has 12 divisors, whose sum is 19352736
The reverse of 18055621 is 12655081
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighteen million fifty-five thousand six hundred twenty-one
Scientific notation
1.8055621 × 10^7
Engineering notation
1.8055621 × 10^6
Prime Factorization
23 × 41 × 41 × 467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
440381
Product of the distinct prime numbers
The prime factorization of 18055621 is 23 × 41 × 41 × 467.
Since it has a total of 4 prime factors.
8 , 4 , 56 , 73 , 925 , 405 , 4760 , 6771 , 18330 , 40151 , 739405 , 400923 , 8666708 , 9765116 , 68152056 , 20402133 , 546655156 , 886725672 , 5160379776 , 4014894608
n×2
36111242
n×3
54166863
n×4
72222484
n×5
90278105
n÷2
9027810.5
n÷3
6018540.3333333
n÷3
4513905.25
n÷5
3611124.2
n2
326005449695641
n3
5.8862308436391E+21
n4
1.0627955323126E+29
n5
1.9189433331929E+36
2 √n
4249.1906288139
3 √n
262.3438030696
4 √n
65.185816162827
5 √n
28.269783726728
1 , 23 , 41 , 467 , 943 , 1681 , 10741 , 19147 , 38663 , 440381 , 785027 , 18055621
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
-18055620
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 18055621 can be divided by 12 positive divisors.
The sum of these divisors (counting 18055621) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000100111000000111000101
3
Ternary
1020222022122201
4
Quaternary
1010320013011
5
Quinary
14110234441
6
Senary
1442554501
8
Octal
104700705
10
Decimal
18055621
12
Duodecimal
6068a31
16
Hexadecimal
11381c5
20
Vigesimal
5cgj11
36
Base36
aqzt1
md5
d8f43fa68370eb4226a3aa004b2b974d
sha1
96480183aa699f81cc49afe6bfc78005cbb51ffe
sha256
0252707e33fb7331c6a63c8bc1e48daa366578a67054993f6fd25dfdf996e7b5
sha512
6a0b369108b33edfbd3569e69f9d5df683c45bb9bc859ab8177b47c83b5a4985025baf62db26141460781e89fa566c34c7d8d7cbcc1ee483402df10a3253a366
ripemd-160
bd0a4ceb92862503e3e8589a5177156cacf5052c
Diameter
36111242
Circumference
113446812.5792
Area
1.0241763257941E+15
Volume
2.4656186100947E+22
Surface area
4.0967053031763E+15
Circumference
113446812.5792
Perimeter
72222484
Area
326005449695641
Diagonal
25534504.095268
Surface area
1956032698173846
Volume
5.8862308436391E+21
Space diagonal
31273252.934208
Perimeter
54166863
Area
1.411645006043E+14
Altitude
15636626.467104
Surface area
1.411645006043E+14
Volume
6.9369895752777E+20
Height
8511501.3650895