18121454 is an even 8-digits composite number following 18121453
and preceding 18121455 . In scientific notation, it is written as 1.8121454 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8329440 positive integers (up to 18121454) that are relatively prime to 18121454.
18121454 has 16 divisors, whose sum is 29393280
The reverse of 18121454 is 45412181
Previous prime number is 269
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighteen million one hundred twenty-one thousand four hundred fifty-four
Scientific notation
1.8121454 × 10^7
Engineering notation
1.8121454 × 10^6
Prime Factorization
2 × 13 × 269 × 2591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18121454
Product of the distinct prime numbers
The prime factorization of 18121454 is 2 × 13 × 269 × 2591.
Since it has a total of 4 prime factors.
7 , 2 , 24 , 67 , 857 , 328 , 3267 , 7184 , 8935 , 47049 , 180456 , 675050 , 5945153 , 1003653 , 98715182 , 6823142 , 903553013 , 49965270 , 3590470129 , 2654825606
n×2
36242908
n×3
54364362
n×4
72485816
n×5
90607270
n÷2
9060727
n÷3
6040484.6666667
n÷3
4530363.5
n÷5
3624290.8
n2
328387095074116
n3
5.9508516375792E+21
n4
1.0783808421122E+29
n5
1.9541828824817E+36
2 √n
4256.9301145309
3 √n
262.66226218776
4 √n
65.245153954381
5 √n
28.290368743418
1 , 2 , 13 , 26 , 269 , 538 , 2591 , 3497 , 5182 , 6994 , 33683 , 67366 , 696979 , 1393958 , 9060727 , 18121454
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
-18121453
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 18121454 can be divided by 16 positive divisors.
The sum of these divisors (counting 18121454) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101001000001011101110
3
Ternary
1021002122221222
4
Quaternary
1011020023232
5
Quinary
14114341304
6
Senary
1444223342
8
Octal
105101356
10
Decimal
18121454
12
Duodecimal
609ab52
16
Hexadecimal
11482ee
20
Vigesimal
5d53ce
36
Base36
aselq
md5
f011da0f82e5cdc0c59bc8f05039fa59
sha1
a5f54be8d19f006c8690648df42292aa9d95300a
sha256
9256c94535da162481818bf3191c6b2ed82e5c919420a2018456112cd2bb1f3a
sha512
6cb319d9914587e3d9c5cd7e3f876a36cac84a578b0f678a7712316f5d9abbfd48d90300a494104ccab892dcb08b674004846a85c3d6d782ffac9377be76d6e6
ripemd-160
868a97bf291cee4494f0392655ed5e8c77c1a1dc
Diameter
36242908
Circumference
113860453.51753
Area
1.0316584854185E+15
Volume
2.4926869049629E+22
Surface area
4.1266339416741E+15
Circumference
113860453.51753
Perimeter
72485816
Area
328387095074116
Diagonal
25627606.01672
Surface area
1970322570444696
Volume
5.9508516375792E+21
Space diagonal
31387279.035022
Perimeter
54364362
Area
1.4219578330458E+14
Altitude
15693639.517511
Surface area
1.4219578330458E+14
Volume
7.0131459112789E+20
Height
8542535.3389067