20342989 is an odd 8-digits composite number following 20342988
and preceding 20342990 . In scientific notation, it is written as 2.0342989 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20329056 positive integers (up to 20342989) that are relatively prime to 20342989.
20342989 has 4 divisors, whose sum is 20356924
The reverse of 20342989 is 98924302
Previous prime number is 1657
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million three hundred forty-two thousand nine hundred eighty-nine
Scientific notation
2.0342989 × 10^7
Engineering notation
2.0342989 × 10^6
Prime Factorization
1657 × 12277
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20342989
Product of the distinct prime numbers
The prime factorization of 20342989 is 1657 × 12277.
Since it has a total of 2 prime factors.
4 , 8 , 2 , 48 , 889 , 981 , 6914 , 2368 , 29477 , 3409 , 742288 , 672084 , 1695629 , 311343 , 75053983 , 69397064 , 964217354 , 498025104 , 5817514558 , 3339998624
n×2
40685978
n×3
61028967
n×4
81371956
n×5
101714945
n÷2
10171494.5
n÷3
6780996.3333333
n÷3
5085747.25
n÷5
4068597.8
n2
413837201454121
n3
8.418685636972E+21
n4
1.7126122930738E+29
n5
3.4839653039265E+36
2 √n
4510.3202768761
3 √n
272.98466729937
4 √n
67.158918074044
5 √n
28.952292175216
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20342988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20342989 can be divided by 4 positive divisors.
The sum of these divisors (counting 20342989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101100110100011001101
3
Ternary
1102021112100001
4
Quaternary
1031212203031
5
Quinary
20201433424
6
Senary
2004004301
8
Octal
115464315
10
Decimal
20342989
12
Duodecimal
6990691
16
Hexadecimal
13668cd
20
Vigesimal
672h99
36
Base36
c40r1
md5
5c38e7698c8c3e0ed97325c9cc8a25a1
sha1
01894365c41205f99477a480ead395cb86515761
sha256
81635faf176947a67743a3836576e332e97ea69f2b0fcf1436ee59605416a89a
sha512
5999a3fa12aa38de6e7088f0da7e94f63082596b4965893cfa90fbf7c0d4c344da33b087f26b24f53211219ad3019874969f7851e3ff1c73424f862d9948850d
ripemd-160
17ef27bccf91733f750cc9a02344b8cd78151937
Diameter
40685978
Circumference
127818769.58892
Area
1.3001079118704E+15
Volume
3.5264107933324E+22
Surface area
5.2004316474817E+15
Circumference
127818769.58892
Perimeter
81371956
Area
413837201454121
Diagonal
28769330.943007
Surface area
2483023208724726
Volume
8.418685636972E+21
Space diagonal
35235090.525815
Perimeter
61028967
Area
1.7919676474516E+14
Altitude
17617545.262907
Surface area
1.7919676474516E+14
Volume
9.9215161709678E+20
Height
9589776.9810022