19998743 is an odd 8-digits prime number following 19998742
and preceding 19998744 . In scientific notation, it is written as 1.9998743 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 19998742 positive integers (up to 19998743) that are relatively prime to 19998743.
19998743 has 2 divisors, whose sum is 19998744
The reverse of 19998743 is 34789991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 50 Digital Root 5
Name
nineteen million nine hundred ninety-eight thousand seven hundred forty-three
Scientific notation
1.9998743 × 10^7
Engineering notation
1.9998743 × 10^6
Prime Factorization
19998743
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
19998743 Product of the distinct prime numbers
The prime factorization of 19998743 is 19998743.
Since it has a total of 1 prime factors.
6 , 9 , 65 , 5 , 297 , 956 , 2866 , 6087 , 24127 , 69748 , 212814 , 150892 , 7888305 , 4166810 , 74270764 , 79956758 , 225004986 , 360945715 , 8154195213 , 7607156959
n×2
39997486
n×3
59996229
n×4
79994972
n×5
99993715
n÷2
9999371.5
n÷3
6666247.6666667
n÷3
4999685.75
n÷5
3999748.6
n2
399949721580049
n3
7.998491694801E+21
n4
1.5995977979196E+29
n5
3.198994526396E+36
2 √n4471.9954159189
3 √n271.43607483544
4 √n66.872979714672
5 √n28.853635414269
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
19998744 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
9999372 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4471.9955277258 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999998999937 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19998743 can be divided by 2 positive divisors.
The sum of these divisors (counting 19998743) is 19998744, the average is 9999372.
Base
System
Value
2
Binary
1001100010010100000010111
3
Ternary
1101122001010012
4
Quaternary
1030102200113
5
Quinary
20104424433
6
Senary
1552350435
8
Octal
114224027
10
Decimal
19998743
12
Duodecimal
684541b
16
Hexadecimal
1312817
20
Vigesimal
64jgh3
36
Base36
bwn4n
md5
66636edd36181cba2fa58ef80b80022e
sha1
8824392e778f405dde593836a5c229cda25fdab7
sha256
f1e5cc05dbea59eb005b69629feaef3f1b19c5e14c87b185e264de10a1de83e9
sha512
df065af43289077154ef4ebee054ae00423ce152e25c7d957c4520d514ecf0bd27808af0531d8f1f3494936e816698092b5e8ad5b4c1c64ec083c032c92ac5c5
ripemd-160
b529707b41ac747fb2460256c8e2d08a6fd32a20
Diameter
39997486
Circumference
125655808.17966
Area
1.2564791071212E+15
Volume
3.3504003664248E+22
Surface area
5.0259164284847E+15
Circumference
125655808.17966
Perimeter
79994972
Area
399949721580049
Diagonal
28282493.581014
Surface area
2399698329480294
Volume
7.998491694801E+21
Space diagonal
34638838.963512
Perimeter
59996229
Area
1.7318330956242E+14
Altitude
17319419.481756
Surface area
1.7318330956242E+14
Volume
9.4263128610967E+20
Height
9427497.860338