20154438 is an even 8-digits composite number following 20154437
and preceding 20154439 . In scientific notation, it is written as 2.0154438 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 6718140 positive integers (up to 20154438) that are relatively prime to 20154438.
20154438 has 12 divisors, whose sum is 43667988
The reverse of 20154438 is 83445102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred fifty-four thousand four hundred thirty-eight
Scientific notation
2.0154438 × 10^7
Engineering notation
2.0154438 × 10^6
Prime Factorization
2 × 3 × 3 × 1119691
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6718146
Product of the distinct prime numbers
The prime factorization of 20154438 is 2 × 3 × 3 × 1119691.
Since it has a total of 4 prime factors.
6 , 5 , 25 , 61 , 953 , 186 , 6752 , 7239 , 91458 , 14702 , 714144 , 180983 , 8928463 , 834567 , 47960776 , 69127913 , 524613596 , 607046354 , 9609186880 , 2127117801
n×2
40308876
n×3
60463314
n×4
80617752
n×5
100772190
n÷2
10077219
n÷3
6718146
n÷3
5038609.5
n÷5
4030887.6
n2
406201371095844
n3
8.1867603492662E+21
n4
1.6499955388014E+29
n5
3.325473278705E+36
2 √n
4489.3694434742
3 √n
272.13865299712
4 √n
67.002756984129
5 √n
28.898422650141
1 , 2 , 3 , 6 , 9 , 18 , 1119691 , 2239382 , 3359073 , 6718146 , 10077219 , 20154438
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
-20154437
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 20154438 can be divided by 12 positive divisors.
The sum of these divisors (counting 20154438) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111000100001000110
3
Ternary
1101220221200200
4
Quaternary
1030320201012
5
Quinary
20124420223
6
Senary
1555551330
8
Octal
114704106
10
Decimal
20154438
12
Duodecimal
68bb546
16
Hexadecimal
1338846
20
Vigesimal
65j61i
36
Base36
bzz9i
md5
a20f9492bf4d5ba6fdd3fc5df73cd64d
sha1
ad06bc3ef6488bad5da302b1e8449b2ec51cb4a8
sha256
03b8ab4cba2eebc783380f22f5019cea7b9c59d8fce0463f0401588ded387de6
sha512
0d963d48448247ebb8de4857240df853c8998efaab2284ab76058e5f24632446782ccace59bade92a56c66a88aae2793609cf2572eaa1167bc0148c9b47d9d79
ripemd-160
2e5510ddaf905910055d73d4f3fe0ba6511ba4e2
Diameter
40308876
Circumference
126634068.71606
Area
1.2761192433128E+15
Volume
3.429262155994E+22
Surface area
5.1044769732512E+15
Circumference
126634068.71606
Perimeter
80617752
Area
406201371095844
Diagonal
28502679.561608
Surface area
2437208226575064
Volume
8.1867603492662E+21
Space diagonal
34908510.613997
Perimeter
60463314
Area
1.7589035321054E+14
Altitude
17454255.306998
Surface area
1.7589035321054E+14
Volume
9.6481895981921E+20
Height
9500893.1872026