19998538 is an even 8-digits composite number following 19998537
and preceding 19998539 . In scientific notation, it is written as 1.9998538 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 8548416 positive integers (up to 19998538) that are relatively prime to 19998538.
19998538 has 16 divisors, whose sum is 34372800
The reverse of 19998538 is 83589991
Previous prime number is 433
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
nineteen million nine hundred ninety-eight thousand five hundred thirty-eight
Scientific notation
1.9998538 × 10^7
Engineering notation
1.9998538 × 10^6
Prime Factorization
2 × 7 × 433 × 3299
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19998538
Product of the distinct prime numbers
The prime factorization of 19998538 is 2 × 7 × 433 × 3299.
Since it has a total of 4 prime factors.
8 , 3 , 13 , 81 , 10 , 25 , 2434 , 6937 , 75801 , 2835 , 273861 , 845274 , 7242467 , 3575837 , 98911537 , 86826959 , 513754901 , 16382797 , 790872398 , 5686832348
n×2
39997076
n×3
59995614
n×4
79994152
n×5
99992690
n÷2
9999269
n÷3
6666179.3333333
n÷3
4999634.5
n÷5
3999707.6
n2
399941522137444
n3
7.9982457282435E+21
n4
1.5995322112962E+29
n5
3.198830570983E+36
2 √n
4471.9724954431
3 √n
271.43514736739
4 √n
66.872808341232
5 √n
28.853576260356
1 , 2 , 7 , 14 , 433 , 866 , 3031 , 3299 , 6062 , 6598 , 23093 , 46186 , 1428467 , 2856934 , 9999269 , 19998538
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
-19998537
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 19998538 can be divided by 16 positive divisors.
The sum of these divisors (counting 19998538) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010011101001010
3
Ternary
1101122000211121
4
Quaternary
1030102131022
5
Quinary
20104423123
6
Senary
1552345454
8
Octal
114223512
10
Decimal
19998538
12
Duodecimal
684528a
16
Hexadecimal
131274a
20
Vigesimal
64jg6i
36
Base36
bwmyy
md5
e4504e30407d91905284aa4c776983c6
sha1
93defb45374e1f136a0487f8ad0e2b8eca488270
sha256
9f352db637bca22f886ee9e6cb1bd7be6a7e93e3bd2567b1c161388ed7e47e4b
sha512
dc47d3f40c140e1abbeb09bb32f29aedb5a6dd0c59db30a82123c4abe7d054d729b741aca0379c260abbc7a9dd2999334a4ba9fd5142805e7903f7eb8576bb37
ripemd-160
00117b3fad58e62e4c7d4e9ee7fdfdd1ddc013ea
Diameter
39997076
Circumference
125654520.12667
Area
1.2564533478125E+15
Volume
3.3502973361941E+22
Surface area
5.0258133912501E+15
Circumference
125654520.12667
Perimeter
79994152
Area
399941522137444
Diagonal
28282203.667234
Surface area
2399649132824664
Volume
7.9982457282435E+21
Space diagonal
34638483.893097
Perimeter
59995614
Area
1.7317975909962E+14
Altitude
17319241.946548
Surface area
1.7317975909962E+14
Volume
9.4260229867289E+20
Height
9427401.2224112